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Journal articles on the topic 'Cobalt Ethylenediamine'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Kottsov, Sergey Yu, Maxim A. Shmelev, Alexander E. Baranchikov, et al. "Aerogel-Based Single-Ion Magnets: A Case Study of a Cobalt(II) Complex Immobilized in Silica." Molecules 28, no. 1 (2023): 418. http://dx.doi.org/10.3390/molecules28010418.

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The chemical immobilization of cobalt(II) ions in a silica aerogel matrix enabled the synthesis of the first representative example of aerogel-based single-ion magnets. For the synthesis of the lyogels, methyl-trimethoxysilane and N-3-(trimethoxysilyl)propyl ethylenediamine were co-hydrolyzed, then the ethylenediamine groups that were immobilized on the silica matrix enabled the subsequent binding of cobalt(II) ions. Lyogels with various amounts of ethylenediamine moieties (0.1–15 mol %) were soaked in isopropanol solutions of cobalt(II) nitrate and further supercritically dried in carbon diox

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2

ASIM, KUMAR MAJEE. "Kinetics of the Acid-mediated Dissociation of Mixed Chelate Complexes Aquation of Bis(acetylacetonato )ethylenediamine and Acetylacetonatobis( ethylenediamine )cobalt(III) Complexes." Journal of Indian Chemical Society Vol. 74, Apr 1997 (1997): 293–95. https://doi.org/10.5281/zenodo.5880713.

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Department of Chemistry, Manipur University, Canchipur-795 003 <em>Manuscript received 19 may 1995, revised 13 December 1995, accepted 15 December 1995</em> Mechanisms of the acid-mediated dissociation of two mixed chelate complexes, bis(acetylacetonato)ethylenediamine and acetylacetonatobis(ethylenediamine)cobalt(III) ions have been investigated spectrophotometrically. In the presence of perchloric acid the first complex dissociates to cobaltous ion, free ethylenediamine, free acetylacetone and oxidised products of acetylacetone. The dissociation follows an acid-assisted path. Rate constant (

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3

Goforth, Andrea M., Rachael E. Hipp, Mark D. Smith, LeRoy Peterson, and Hans-Conrad zur Loye. "Tris(ethylenediamine)cobalt(III) nonaiododibismuthate." Acta Crystallographica Section E Structure Reports Online 61, no. 8 (2005): m1531—m1533. http://dx.doi.org/10.1107/s1600536805021501.

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4

Yotnoi, Bunlawee, Athittaya Seeharaj, Yothin Chimupala, and Apinpus Rujiwatra. "Tris(ethylenediamine)cobalt(II) sulfate." Acta Crystallographica Section E Structure Reports Online 66, no. 6 (2010): m628. http://dx.doi.org/10.1107/s1600536810016168.

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5

Cooke, Kristin, Andrei V. Olenev, and Kirill Kovnir. "Tris(ethylenediamine)cobalt(II) dichloride." Acta Crystallographica Section E Structure Reports Online 69, no. 6 (2013): m332. http://dx.doi.org/10.1107/s1600536813013135.

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6

A., K. BANERJEE, SATYA PRAKASH SHEO, and K. ROY S. "Metal Complexes as Ligand. Binuclear Alkali Metal Complexes with Nickel Ethylenediamine Oxalate and Cobalt Ethylenediamine Oxalate." Journal of Chemical Indian Society Vol. 65, May 1988 (1988): 378–79. https://doi.org/10.5281/zenodo.6280110.

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Chemistry Department, Patna University, Patna.-800 005 <em>Manuscript received 24 November 1986, revised 1 March 1988, accepted 17 March 1988</em> Metal Complexes as Ligand. Binuclear Alkali Metal Complexes with Nickel Ethylenediamine Oxalate and Cobalt Ethylenediamine Oxalate.

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7

Wu, Hongxiang, and Lidun Ma. "X-ray powder diffraction data for cobalt tris-ethylenediamine bromide trihydrate and cobalt tris-ethylenediamine iodide hemihydrate." Powder Diffraction 14, no. 1 (1999): 49–52. http://dx.doi.org/10.1017/s0885715600010319.

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X-ray powder data are given for cobalt tris-ethylenediamine bromide trihydrate, [Co(en)3]Br3·3H2O, and cobalt tris-ethylenediamine iodide hemihydrate, [Co(en)3]I3·0.5H2O. Refined unit-cell parameters for [Co(en)3]Br3·3H2O are a=11.6949(4) Å and c=16.0640(12) Å in trigonal space group P3¯c1(165) or P3c1(158); volume =1902.72 Å3; figures of merit: M20=29, F30=55 (0.0138, 40). Refined unit-cell parameters for [Co(en)3]I3·0.5H2O are a=23.3580(14) Å, b=13.4739(4) Å, and c=11.5421(5) Å in orthorhombic space group Pca21(29) or Pcam(57); volume =3632.57 Å3; figures of merit: M20=37, F30=81 (0.0058, 64

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8

G, P. POKHARIYAL, and SINGH P. "Complexes of Cobalt(II), Nickel(II) and Copper(II) with N-(8-Aceto-7-hydroxy4-methylcoumarin)-ethylenediamine and-propylenediamine Schiff Bases." Journal of Indian Chemical Society Vol. 64, Aug 1987 (1987): 501–3. https://doi.org/10.5281/zenodo.6200929.

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Chemistry Department, M. M. College, Khekra-201 101 <em>Manuscript received 18 August 1986, remised 15 June 1987, accepted 6 July 1987</em> Complexes of Cobalt(II), Nickel(II) and Copper(II) with <em>N</em>-(8-Aceto-7-hydroxy4-methylcoumarin)-ethylenediamine and-propylenediamine Schiff Bases.

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9

Damjanović, Vladimir, Jana Pisk, Dino Kuzman та ін. "The synthesis, structure and catalytic properties of the [Mo7O24(μ-Mo8O26)Mo7O24]16− anion formed via two intermediate heptamolybdates [Co(en)3]2[NaMo7O24]Cl·nH2O and (H3O)[Co(en)3]2[Mo7O24]Cl·9H2O". Dalton Transactions 48, № 27 (2019): 9974–83. http://dx.doi.org/10.1039/c9dt01625b.

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10

Hu, Zhan, Li-Qin Dang, Duan-Hai Bao, and Yong-Lin An. "Tris(ethylenediamine)cobalt(III) tetrathioarsenate(V)." Acta Crystallographica Section E Structure Reports Online 62, no. 10 (2006): m2756—m2757. http://dx.doi.org/10.1107/s1600536806039031.

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11

Sabo, Tibor, and Srecko Trifunovic. "Synthesis and characterization of meridional isomer of uns-cis-(ethylenediamine-N-N'-di-3-propionato)-(S-norleucinato)cobalt(III) semihydrate." Journal of the Serbian Chemical Society 65, no. 7 (2000): 537–41. http://dx.doi.org/10.2298/jsc0007537s.

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The meridional geometrical isomer of uns-cis-(ethylenediamine-N-N'-di-3- propionato)(S-norleucinato)cobalt(III) complex has been prepared by the reaction of sodium uns-cis-(ethylenediamine-N-N'-di-3-propionato)(carbonato)cobaltate(III) with S-norleucine at 75?C. The complex was isolated choromatographically and characterized by elemental analyses, electron absorption and infrared spectroscopy.

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12

Wang, Ming-Feng, Cheng-Yang Yue, Zhuang-Dong Yuan, and Xiao-Wu Lei. "Two polymorphs of tris(ethylenediamine)cobalt(III) tetrathioantimonate(V)." Acta Crystallographica Section C Crystal Structure Communications 69, no. 8 (2013): 855–58. http://dx.doi.org/10.1107/s0108270113017277.

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Details of the structures of two polymorphs of tris(ethylenediamine)cobalt(III) tetrathioantimonate(V), [Co(C2H8N2)3][SbS4], are reported. The first polymorph crystallizes in the orthorhombic space groupPna21, whereas the second polymorph belongs to the tetragonal space groupP42bc. Both structures contain octahedral [Co(en)3]3+cations (en is ethylenediamine) and tetrahedral [SbS4]3−anions, which are interconnectedviavarious N—H...S hydrogen bonds to form two different types of three-dimensional network.

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13

Djinovic, Vesna, and Tibor Sabo. "Preparation and characterization of facial and meridional isomers of uns-cis-(ethylenediamine-N, N'-di-3-propionato)(S-arginine)cobalt(III) chloride dihydrate." Journal of the Serbian Chemical Society 67, no. 5 (2002): 367–72. http://dx.doi.org/10.2298/jsc0205367d.

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Both theoretically possible geometrical isomers, facial and meridional, of uns-cis-(ethylenediamine-N,N?-di-3-propionato)(S-arginine)cobalt(III) chloride dihydrate were prepared by the reaction of sodium uns-cis-(ethylenediamine-N,N?-di-3-propionato)( carbonato)cobaltate(III) with S-arginine at 75 ?C. The complexes were isolated chromatographically and characterized by elemental analysis as well as electron absorption and infrared spectroscopy.

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14

Das, K., U. C. Sinha, A. Phulambrikar, C. Chatterjee та R. Bohra. "Structure of (ethylenediamine)(cis-α-ethylenediamine-N,N'-diacetato)cobalt(III) perchlorate". Acta Crystallographica Section C Crystal Structure Communications 45, № 3 (1989): 398–400. http://dx.doi.org/10.1107/s0108270188011965.

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15

Fushimi, Hiroyuki, Ken-Ichi Okamoto, Jinsai Hidaka, and Hisahiko Einaga. "Ligand substitution reaction of (carbonato)bis(ethylenediamine)cobalt(III) complex with ethylenediamine." Inorganica Chimica Acta 98, no. 1 (1985): 47–53. http://dx.doi.org/10.1016/s0020-1693(00)90749-7.

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16

Sakagami, Narumi, Takaji Yasui, Hiroshi Kawaguchi, Tomoharu Ama, and Sumio Kaizaki. "Crystal Structures of the (Ethylenediamine-N,N′-dipropionato)(ethylenediamine)cobalt(III) Isomers." Bulletin of the Chemical Society of Japan 67, no. 3 (1994): 680–86. http://dx.doi.org/10.1246/bcsj.67.680.

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17

Wang, Yue Lun, Bo Hou, De Bao Li, Jian Gang Chen, and Yu Han Sun. "Fischer-Tropsch Synthesis over Co/SiO₂ Catalysts Modified with Ethylenediamine." Advanced Materials Research 512-515 (May 2012): 2143–46. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.2143.

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The influence of ethylenediamine (en)/Co molar ratio on the preparation of Co/SiO2catalysts was studied. The decomposition of these Co-en species resulted in the formation of small cobalt nanoparticles. The highly dispersed catalysts led to lower FT activity due to an increase of cobalt-silica interaction except Co(en)2/SiO2catalyst. Meanwhile, higher selectivity for light hydrocarbons was observed, which was ascribed that smaller cobalt particles containing active sites depressed the chain growth.

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18

Stamenovic, Danijela, and Srecko Trifunovic. "The synthesis and characterization of facial and meridional isomers of uns-cis-(ethylenediamine-N, N’-di-3-propionato)cobalt(III) complexes with S-lysine and S-histidine." Journal of the Serbian Chemical Society 67, no. 4 (2002): 235–41. http://dx.doi.org/10.2298/jsc0204235s.

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In the reaction of sodium uns-cis-(ethylenediamine-N-N?-di-3-propionato)-(carbonato) cobaltate(III) dihydrate and the corresponding amino acid (S-lysine or S-histidine) at 70 ?C, both the theoretically possible facial and meridional isomers of the uns-cis-(ethylenediamine-N-N?-di-3-propionato)(aminoacidato)cobalt(III) complexes were prepared. The complexes were isolated chromatographically and characterized by elemental analyses, as well as by electron absorption and infrared spectroscopy.

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19

Zhao, Lizhen, Ping Li, and Baoliang Cao. "Tris(ethylenediamine)cobalt(II) bis(tetrahydroxypentaborate) dihydrate." Acta Crystallographica Section E Structure Reports Online 65, no. 4 (2009): m368. http://dx.doi.org/10.1107/s1600536809007296.

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20

Tong, Juying, and Qinhe Pan. "Tris(ethylenediamine)cobalt(III) diformatodioxalatoindate(III) dihydrate." Acta Crystallographica Section E Structure Reports Online 67, no. 5 (2011): m579—m580. http://dx.doi.org/10.1107/s1600536811013109.

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21

Gainsford, G. J., K. R. Morgan, and A. D. Rae. "A Cobalt Aluminophosphate with Encapsulated Ethylenediamine: Co0.65Al0.35PO4.0.5NH2.65CH2CH2NH2.65." Acta Crystallographica Section C Crystal Structure Communications 54, no. 11 (1998): 1564–66. http://dx.doi.org/10.1107/s0108270198006842.

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22

Long, Xiang-li, Zhi-ling Xin, Mao-bing Chen, Wen-de Xiao, and Wei-kang Yuan. "Nitric oxide absorption into cobalt ethylenediamine solution." Separation and Purification Technology 55, no. 2 (2007): 226–31. http://dx.doi.org/10.1016/j.seppur.2006.12.018.

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23

Miulovic, Snezana, Vladimir Nikolic, Petar Lausevic, Danka Acimovic, Gvozden Tasic, and Milica Marceta-Kaninski. "Electrochemistry of cobalt ethylenediamine complexes at high pH." Journal of the Serbian Chemical Society 80, no. 12 (2015): 1515–27. http://dx.doi.org/10.2298/jsc150327079m.

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In this work the electrochemical behavior of cobalt ethylendiamine complexes (Co(en)), at pH 12 has been investigated by cyclic voltammetry (CV), potentiostatic pulse technique and polarization curve measurements at stationary and rotating glassy carbon (GC) electrode. It was shown that sixteen different species can be formed in the solution containing Co(en)3 ligand, with the most stable one at all pH values being [Co(en)3]3+. The reduction of [Co(en)3]3+ into [Co(en)3]2+ was shown to be totally irreversible, one-electron exchange reaction. Further reduction of [Co(en)3]2+ was found to be com

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24

Aiyelabola, Temitayo, Ezekiel Akinkunmi, Isaac Ojo, Efere Obuotor, Clement Adebajo, and David Isabirye. "Syntheses, Characterization, Resolution, and Biological Studies of Coordination Compounds of Aspartic Acid and Glycine." Bioinorganic Chemistry and Applications 2017 (2017): 1–15. http://dx.doi.org/10.1155/2017/2956145.

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Enantiomerically enriched coordination compounds of aspartic acid and racemic mixtures of coordination compounds of glycine metal-ligand ratio 1 : 3 were synthesized and characterized using infrared and UV-Vis spectrophotometric techniques and magnetic susceptibility measurements. Five of the complexes were resolved using (+)-cis-dichlorobis(ethylenediamine)cobalt(III) chloride, (+)-bis(glycinato)(1,10-phenanthroline)cobalt(III) chloride, and (+)-tris(1,10-phenanthroline)nickel(II) chloride as resolving agents. The antimicrobial and cytotoxic activities of these complexes were then determined.

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25

Yang, Hailun, Ling Yuan, Menglei Yuan, and Pengge Ning. "Insight into the Mechanism of Cobalt-Nickel Separation Using DFT Calculations on Ethylenediamine-Modified Silica Gel." Materials 16, no. 9 (2023): 3445. http://dx.doi.org/10.3390/ma16093445.

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The separation of Co(II) and Ni(II) from leaching solution is gaining interest because Co(II) and Ni(II) are increasingly used in emerging strategic areas, such as power batteries. Herein, the surface of silica gel is functionalized with 1,2-ethylenediamine and used for the separation of Co(II) and Ni(II). The Co(II) removal efficiency of the modified silica is 80.2%, with a 4-fold improvement in the separation factor. The geometry, frequency, and electrostatic potential of the ethylenediamine modified silica gel (en/SG) are calculated. The corresponding properties of M2+ (M-Co, Ni) adsorbed o

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26

PRAKASH, MOHANTY, DAS NIGAMANANDA, and KUMAR DEI JASHODA. "Silver catalysed Oxidation of cis-(Diglycinato )bis( ethylenediamine )cobalt(III) Ion by Potassium Peroxydisulphate in Aqueous Perchlorate Medium." Journal of Indian Chemical Society Vol. 71, March 1994 (1994): 143–45. https://doi.org/10.5281/zenodo.5894038.

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Department of Chemistry, Utkal Umverstty, Bhubancswar-751 004 Regional Research Laboratory, Bhubaneswar-751 013 <em>Manuscript received 8 February 1993. revised 7 May 1993, accepted 14 May 1993</em> Silver catalysed Oxidation of cis-(Diglycinato )bis( ethylenediamine )cobalt(III) Ion by Potassium Peroxydisulphate in Aqueous Perchlorate Medium.

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27

BISWANATH, CHAKRAVARTY, та KUMAR MAJHI ASIM. "Kinetics and Mechanisms of the Formation and Acidcatalysed Dissociation of β-Alaninatobis( ethylenediamine)cobalt( III) Perchlorate". Journal of Indian Chemical Society Vol. 72, Feb 1995 (1995): 81–85. https://doi.org/10.5281/zenodo.5900835.

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Department of Chemistry, University of Kalyam, Kalyani-741 235 <em>Manuscript received 18 December 1992, revised 15 July 1993, accepted 14 October 1993</em> Kinetics and mechanisms of the formation of 13-alaninatobis(ethylenediamine)cobalt(m) complex ion by the reactions of <em>cis</em>-diaquabis(ethylenediamine)cobalt(m) ion and β-alanine have been carried out in aqueous solution having pH 3.8 to 7.03 [βalanine]=0.02 to 1.0 mol dm<sup>-3</sup>, temperature 50 to 65° and <em>I</em>= 1.0 mol dm<sup>-3</sup> (NaCIO<sub>4</sub>). Only the hydroxoaqua form of the complex and non

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28

Strašák, Milan, and Pavol Novomeský. "The synthesis and stereochemistry of the ternary cobalt(III) complex with a stereospecific ligand derived from (S)-leucine." Collection of Czechoslovak Chemical Communications 51, no. 2 (1986): 318–26. http://dx.doi.org/10.1135/cccc19860318.

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A new stereospecific ligand, ethylenediamine-N,N'-di(S)-α-isocapronic acid, was synthesized by condensation of (S)-leucine with 1,2-dibromoethane in alkaline aqueous medium. It follows from the 1H and 13C NMR spectra that the terminal methyl groups are chemically and magnetically nonequivalent. Of the four theoretically possible isomers of the ternary cobalt (III) complex with ethylenediamine, separation on catex yielded only one, whose absolute configuration was determined by a combination of 1H and 13C NMR, electron absorption spectroscopy and CD and IR spectroscopy.

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29

Sabo, Tibor, and Sanja Grguric. "The preparation and characterization of uns-cis-(ethylene-diamine-N,N'-di-3-propionato)(N-alkylethylenediamines)cobalt(III) complexes." Journal of the Serbian Chemical Society 65, no. 3 (2000): 167–71. http://dx.doi.org/10.2298/jsc0003167s.

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Three octahedral cobalt(III) complexes of the general formula uns-cis-[Co(eddp)(R- en)]Cl.2H2O, where eddp = the tetradentate ONNO-type ligand ethylenediamine-N,N'-di-3-propionate and R-en = a bidentate NN-type ligand, either N-methyl, N-ethyl or N-isopropylethylenediamine. The complexes were prepared by the reaction of sodium uns-cis- (ethylenediamine-N,N'-di-3-propionato)(carbonato)cobaltate(III)dihydrate with the corresponding diamine. They were isolated chromatographically and characterized by elemental analysis, infrared and electronic absorption spectroscopy.

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30

Dolotova, Olga, and Oleg L. Kaliya. "Development of the synthesis of the diamine complexes of covalent conjugates of platinum(II) with octacarboxy-substituted cobalt phthalocyanine." Journal of Porphyrins and Phthalocyanines 15, no. 07n08 (2011): 632–38. http://dx.doi.org/10.1142/s1088424611003550.

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Ethylenediamine-N,N′-diacetic acid complexes of the covalent conjugates of octacarboxy-substituted cobalt phthalocyanine with one, two and three platinum atoms (3a–c) were synthesized and characterized by elemental analysis, electronic absorption, infrared and mass spectra data.

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31

Kawaguchi, Hiroshi, Naomi Uchiyama, Tomoharu Ama, and Takaji Yasui. "Stereoselective Isomerization Reactions of the (Ethylenediamine-N,N′-diacetato)(ethylenediamine)cobalt(III) and (Ethylenediamine-N,N′-diacetato)(glycinato)cobalt(III) Complexes in a Basic Aqueous Solution." Bulletin of the Chemical Society of Japan 63, no. 12 (1990): 3535–41. http://dx.doi.org/10.1246/bcsj.63.3535.

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32

Cortijo, Miguel, Ángela Valentín-Pérez, Mathieu Rouzières, Rodolphe Clérac, Patrick Rosa, and Elizabeth A. Hillard. "Tris(ethylenediamine) Cobalt(II) and Manganese(II) Nitrates." Crystals 10, no. 6 (2020): 472. http://dx.doi.org/10.3390/cryst10060472.

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Octahedral tris(ethylenediamine) coordination complexes demonstrate helicoidal chirality, due to the arrangement of the ligands around the metal core. The enantiomers of the nitrate salts [Ni(en)3](NO3)2 and [Zn(en)3](NO3)2 spontaneously resolve to form a mixture of conglomerate crystals, which present a reversible phase transition from space group P6322 to enantiomorphic P6522 or P6122, with the latter depending on the handedness of the enantiomer. We report here the synthesis and characterization of [Mn(en)3](NO3)2 and [Co(en)3](NO3)2, which are isostructural to the Zn(II) and Ni(II) derivat

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33

McMullen, Sarah E., та Karl S. Hagen. "μ-Peroxo-bis[acetonitrilebis(ethylenediamine)cobalt(III)] tetratriflate". Acta Crystallographica Section E Structure Reports Online 58, № 4 (2002): m141—m143. http://dx.doi.org/10.1107/s160053680200226x.

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34

Lin, Bi-Zhou. "Layered (ethylenediamine-κ2N,N′)cobalt(II) molybdate(VI)". Acta Crystallographica Section C Crystal Structure Communications 58, № 4 (2002): m261—m263. http://dx.doi.org/10.1107/s0108270102003864.

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35

Maderová, Jana, Jaromír Marek, and František Pavelčík. "[N-(Carboxylatomethyl)aspartato(3–)](ethylenediamine)cobalt(III) trihydrate." Acta Crystallographica Section C Crystal Structure Communications 59, no. 5 (2003): m178—m180. http://dx.doi.org/10.1107/s0108270103006449.

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36

Niederhoffer, E. C., R. Peascoe, P. R. Rudolf, A. Clearfield, and A. E. Martell. "Structure of trans-dichlorobis(ethylenediamine)cobalt(III) perchlorate." Acta Crystallographica Section C Crystal Structure Communications 42, no. 5 (1986): 568–70. http://dx.doi.org/10.1107/s0108270186095379.

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37

Wunderlich, H. "Structure of trans-dicyanobis(ethylenediamine)cobalt(III) perchlorate." Acta Crystallographica Section C Crystal Structure Communications 43, no. 6 (1987): 1209–11. http://dx.doi.org/10.1107/s0108270187092497.

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38

Liu, Y. H., F. R. Fronczek, S. F. Watkins, G. W. Shaffer, and R. L. Musselman. "trans-Bis(isothiocyanato)bis(ethylenediamine)cobalt(III) Thiocyanate." Acta Crystallographica Section C Crystal Structure Communications 51, no. 10 (1995): 1992–94. http://dx.doi.org/10.1107/s010827019500518x.

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39

Lauchan, Sanchai, Timothy J. Prior, Santi Meansiri, and Apinpus Rujiwatra. "Cobalt(ethylenediamine)sulfate: A Pillared Layered Coordination Polymer." Journal of Inorganic and Organometallic Polymers and Materials 18, no. 3 (2008): 352–57. http://dx.doi.org/10.1007/s10904-008-9208-x.

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40

Vráblová, Anna, Juraj Černák, Larry R. Falvello, and Milagros Tomás. "Polymorphism of the dinuclear CoIII–Schiff base complex [Co2(o-van-en)3]·4CH3CN (o-van-en is a salen-type ligand)." Acta Crystallographica Section C Structural Chemistry 75, no. 4 (2019): 433–42. http://dx.doi.org/10.1107/s2053229619003115.

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Reactions of Co(OH)2 with the Schiff base bis(2-hydroxy-3-methoxybenzylidene)ethylenediamine, denoted H2(o-van-en), under different conditions yielded the previously reported complex aqua[bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]cobalt(II), [Co(C18H18N2O4)(H2O)], 1, under anaerobic conditions and two polymorphs of [μ-bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]bis{[bis(3-methoxy-2-oxidobenzylidene)ethylenediamine]cobalt(III)} acetonitrile tetrasolvate, [Co2(C18H18N2O4)3]·4CH3CN, i.e. monoclinic 2 and triclinic 3, in the presence of air. Both novel polymorphs were chemically and sp

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41

Nagababu, Penumaka, J. Naveena Lavanya Latha, P. Pallavi, S. Harish, and S. Satyanarayana. "Studies on antimicrobial activity of cobalt(III) ethylenediamine complexes." Canadian Journal of Microbiology 52, no. 12 (2006): 1247–54. http://dx.doi.org/10.1139/w06-087.

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A series of cobalt(III) mixed ligand complexes of type [Co(en)2L]+3, where L is bipyridine, 1,10-phenanthroline, imidazole, methylimidazole, ethyleimidazole, dimethylimidazole, urea, thiourea, acetamide, thioacetamide, semicarbazide, thiosemicarbazide, or pyrazole, have been isolated and characterized. The structural elucidation of these complexes has been explored by using absorption, infrared, and 1H NMR nuclear magnetic resonance spectral methods. The infrared spectral data of all these complexes exhibit a band at 1450/cm and 1560–1590/cm, which correspond to C = C and C = N, a band at 575/

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42

Yasui, Takaji, Tomoharu Ama, Hiroshi Kawaguchi, Ken-ichi Okamoto, and Jinsai Hidaka. "Preparation and Stereochemistry of the Mixed-Ligand Complex, Ammine(ethylenediamine)(ethylenediamine-N-acetato)cobalt(III)." Bulletin of the Chemical Society of Japan 65, no. 7 (1992): 1920–26. http://dx.doi.org/10.1246/bcsj.65.1920.

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43

Hu, Xi-Lan, Xing-You Xu, Da-Qi Wang та Yan-Qin Zhou. "Bis(ethylenediamine-κ2N,N′)bis(phenytoinato-κN)cobalt(II)". Acta Crystallographica Section E Structure Reports Online 65, № 11 (2009): m1470. http://dx.doi.org/10.1107/s1600536809044092.

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44

Nakagawa, H., S. Ohba, K. Asakura, T. Miura, A. Tanaka та S. Osanai. "(+)589-Λ-Amminebromobis(ethylenediamine-N,N')cobalt(III) Dibromide". Acta Crystallographica Section C Crystal Structure Communications 53, № 2 (1997): 216–17. http://dx.doi.org/10.1107/s0108270196013479.

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45

Regeta, Khrystyna O., Iryna Odarich, Svetlana V. Pavlova, Valentina A. Kalibabchuk та Matti Haukka. "μ-Peroxido-bis[acetonitrilebis(ethylenediamine)cobalt(III)] tetrakis(perchlorate)". Acta Crystallographica Section E Structure Reports Online 66, № 12 (2010): m1631—m1632. http://dx.doi.org/10.1107/s1600536810047653.

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46

Cai, Jiwen, Yufei Zhang, Xiaopeng Hu, and Xiaolong Feng. "Tris(ethylenediamine-N,N′)cobalt(III) oxalate perchlorate dihydrate." Acta Crystallographica Section C Crystal Structure Communications 56, no. 6 (2000): 661–63. http://dx.doi.org/10.1107/s0108270100004200.

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47

Segal, Michael G. "Notes. Kinetics of reduction of tris(ethylenediamine)cobalt(III) by ethylenediamine-NNN′N′-tetra-acetatochromate(II)." J. Chem. Soc., Dalton Trans., no. 10 (1987): 2485–87. http://dx.doi.org/10.1039/dt9870002485.

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48

Benko, Ján, Oľga Vollárová, and Miroslav Kovarčík. "Kinetics of oxidation of the bis(ethylenediamine)mercaptoacetatocobalt(III) and cysteinato-bis(ethylenediamine)cobalt(III) ions by hydrogen peroxide in mixed aqueous-nonaqueous solutions." Collection of Czechoslovak Chemical Communications 53, no. 3 (1988): 554–62. http://dx.doi.org/10.1135/cccc19880554.

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The kinetics of oxidation of the coordinatively bonded sulphur in the cysteinato-bis(ethylenediamine)cobalt(III) and bis(ethylenediamine)mercaptoacetatocobalt(III) complexes by hydrogen peroxide to the sulphoxides was examined in HClO4 solutions (c(HClO4) = 1 – 500 mmol l-1) with a view to obtaining data characterizing the effect of the acid-base equilibria of the reactants on the reaction rate. The reaction rate was found affected particularly by the acid-base equilibrium of the oxidant, which plays a role in strongly acid solutions. The oxidation was also studied in water-methyl alcohol, wat

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49

Raju, K. C., and P. K. Radhakrishnan. "COMPLEXES OF COBALT(II) WITHN,N′-BIS(4-ANTIPYRYLMETHYLIDENE)-ETHYLENEDIAMINE." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 32, no. 10 (2002): 1719–28. http://dx.doi.org/10.1081/sim-120016460.

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Butcher, R. J., H. H. Hayden, M. M. D. Deyrup, and C. B. Storm. "Structure of (aniline)(chloro)bis(ethylenediamine)cobalt(III) chloride monohydrate." Acta Crystallographica Section C Crystal Structure Communications 48, no. 6 (1992): 1122–24. http://dx.doi.org/10.1107/s0108270191012040.

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