Relevant bibliographies by topics / Metal picrate

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  3. Conference papers

Academic literature on the topic 'Metal picrate'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Metal picrate"

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Harrowfield, JM, BW Skelton, and AH White. "Structural Studies of Alkaline Earth Metal Picrates." Australian Journal of Chemistry 48, no. 7 (1995): 1333. http://dx.doi.org/10.1071/ch9951333.

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Room-temperature, single-crystal X-ray structure determinations are recorded for alkaline earth metal picrates , M( pic )2.nH2O(M = Mg, Sr , Ba ; Hpic = 2,4,6-trinitrophenol, HOC6H2(NO2)3), all crystallized from aqueous solution. Magnesium picrate ,shown to be the nonahydrate, Mg( pic )2.9H2O, forms monoclinic crystals, space group P21/c, a 15.023(3), b 6.718(4), c 26.516(2) Ǻ, β 109.55(1)°, Z = 4 f.u .,conventional R on |F| was 0.049 for No = 4062 'observed' (I > 3σ(I)) reflections. The structure, unusually among the main group metal picrates studied so far, has no coordinative interaction
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Harrowfield, JM, BW Skelton, and AH White. "Structural Studies of the Alkali Metal Picrates." Australian Journal of Chemistry 48, no. 7 (1995): 1311. http://dx.doi.org/10.1071/ch9951311.

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A comparative series of room-temperature, single-crystal X-ray studies of the alkali metal (and ammonium) picrate structures is presented, all being in some sense revisitations of earlier work of various vintages, except for that of the sodium salt. Lithium picrate monohydrate is triclinic, Pī, a 10.710(6), b 7.186(1), c 7.112(1) Ǻ, α 65.89(1), β 71.90(3), γ 84.45(2)°, Z = 2 f.u.; conventional R on |F| was 0.053 for No = 1792 'observed' (I > 3σ(I)) reflections. Sodium picrate monohydrate is monoclinic, C 2/m, a 13.074(6), b 20.080(6), c 3.690(3) Ǻ, β 90.67(3)°, Z = 4 f.u.; R was 0.056 for N
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Vyas, Vaishali, Pankaj Raizada, and Uma Sharma. "Characterization of Anthraquinone-DerivedRedox Switchable Ionophores and Their Complexes with Li+, Na+, K+, Ca+, and Mg+Metal Ions." International Journal of Electrochemistry 2011 (2011): 1–6. http://dx.doi.org/10.4061/2011/798321.

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Anthraquinone derived redox switchable ionophores 1,5 bis (2-(2-(2-ethoxy) ethoxy) ethoxy)anthracene-9,10-dione (V1) and 1,8-bis(2-(2-(2-ethoxy)ethoxy)ethoxy) anthracene—9,10-dione (V2) have been used for isolation, extraction and liquid membrane transport studies of Li+, Na+, K+, Ca2+and Mg2+metal ions. These isolated complexes were characterized by melting point determination, CV and IR,1H NMR spectral analysis. Ionophore V2shows maximum shift in reduction potential(ΔE)with Ca(Pic)2. The observed sequence for the shifting in reduction potential(ΔE)between V2and their complexes is V2calcium p
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Botoshansky, M., F. H. Herbstein, and M. Kapon. "Crystallography of metal picrates. II. Crystal structure of yellow thallium(I) picrate; relations among various M(I) picrate phases." Acta Crystallographica Section B Structural Science 50, no. 5 (1994): 589–96. http://dx.doi.org/10.1107/s0108768194001746.

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Chan, Eric J., Jack M. Harrowfield, Brian W. Skelton, Alexandre N. Sobolev, and Allan H. White. "Structural Systematics of Lanthanide(III) Picrate Solvates: Hexamethylphosphoramide and Octamethylpyrophosphoramide Adducts." Australian Journal of Chemistry 73, no. 6 (2020): 477. http://dx.doi.org/10.1071/ch19251.

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Crystalline products of the reactions of lanthanide picrates, Ln(pic)3 (pic=2,4,6-trinitrophenoxide), with hexamethylphosphoramide (hmpa) and octamethylpyrophosphoramide (ompa) have been characterised by single-crystal X-ray diffraction studies. With hmpa and lighter lanthanides (La, Sm, Eu), isomorphous species (monoclinic, P21/c, Z 4) of stoichiometry [Ln(pic)3(hmpa)3]·0.5H2O, have been defined where the molecular units in the lattice contain 9-coordinate Ln with tricapped trigonal-prismatic coordination geometry. The picrate ligands are bidentate through phenoxide-O and 2-nitro-O, with the
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Harrowfield, JM, WM Lu, BW Skelton, and AH White. "Structural Systematics of Rare Earth Complexes. I. Structural Characterization of Lanthanoid(III) Picrate Hydrates: Monoclinic (P21/C) (Quasi-)Dodecahydrates of the Related La → Pr and Nd → Tb Families." Australian Journal of Chemistry 47, no. 2 (1994): 321. http://dx.doi.org/10.1071/ch9940321.

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Single-crystal room-temperature X-ray studies on hydrated specimens (deposited from aqueous solutions) of the sequence of trivalent lanthanoid picrates La → Tb have shown, with certain qualifications/reservations discussed herein and in Parts III and IV following, their existence as dodecahydrates in two closely related but subtly different monoclinic P21/c structural types. Nd → Tb generally conform to a 'low-β' type: a 7.767(1) → 7.603(3), b 27.525(9) → 27.440(10), c 18.198(11) → 18.182(8) Ǻ, β 105.11(3) → 105.18(4)°, V 3712(3) → 3674(3) Ǻ3, Z = 4 formula units, while La → Pr are a 'higher-β
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Abidi, R., Z. Asfari, JM Harrowfield, AN Sobolev, and J. Vicens. "Calixcrown Binding to Alkali Metal Cations—Comparison of Two 1,3-Alternate Calix[4]arenebiscrown-5 Ligands." Australian Journal of Chemistry 49, no. 2 (1996): 183. http://dx.doi.org/10.1071/ch9960183.

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While determination of the crystal structure of 1,3;2,4-biscrown-5-calix[4] arene (chloroform solvate, triclinic. space group Pī, a 11.151(4), b 16.832(6), c 21.929(8) Ǻ, α 98.78(3), β 92.02(3), γ 92.12(3)°, Z = 4 f.u ., conventional R on |F| 0.085 for 4699 'observed', I > 2σ(I), reflections) shows that this ligand has a closely similar solid state conformation to that of its previously characterized, substituted analogue, 1,3;2,4-biscrown-5-p-t-butylcalix[4] arene, the two ligands do differ significantly in their interactions with alkali metal picrates in chloroform solution. Most obviousl
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Asfari, Zouhair, Eric J. Chan, Jack M. Harrowfield, et al. "Structural Systematics of Lanthanide(III) Picrate Solvates: Neutral, Mononuclear Ln(pic)3(dimethylsulfoxide)3 Arrays." Australian Journal of Chemistry 73, no. 6 (2020): 447. http://dx.doi.org/10.1071/ch19169.

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Adducts of dimethylsulfoxide, dmso=Me2SO, with lanthanide(iii) picrates (picrate=2,4,6-trinitrophenoxide, pic) of stoichiometry Ln(pic)3·3dmso have been prepared and characterised by single-crystal X-ray structure determinations as discrete, neutral, mononuclear molecular species. Such complexes have been obtained across the gamut of Ln, specifically for Ln=La, Pr, Nd, Sm, Gd, Dy, Yb, Lu, and Y, presumably also accessible for other intermediate members, the series being isomorphous (monoclinic, C2/c, Z=8); a second triclinic P form has also been identified for Ln=La, Pr. In both forms, the met
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Fransen, John R., and Philip J. Dutton. "Cation binding and conformation of octafunctionalized calix[4]resorcinarenes." Canadian Journal of Chemistry 73, no. 12 (1995): 2217–23. http://dx.doi.org/10.1139/v95-275.

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The preparations of four calix[4]resorcinarene esters and two calix[4]resorcinarene amides are reported. The logarithms of association constants have been determined by the picrate extraction method for a variety of metal cations, including alkali metal, alkaline earth, lanthanum, and silver cations. Strong binding toward silver ion, and selectivity amongst the alkaline earth cations, was observed for the octa-α-(diethyl acetamide) 3c. Flattened cone conformations have been established for both C-undecylcalix[4]resorcinarene octa-α-(methyl acetate), 3a, and octa-α-(diethyl acetamide), 3c, in c
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R., BAJAJ, and L. JAIN C. "Synthesis of Lanthanum(III), Praseodymium(III), Neodymium(III), Samarium(III), Gadolinium(III), Dysprosium(III) and Ytterbium(III) Metal Picrates and their Spectral, Magnetic and Pharmacological Studies." Journal of Indian Chemical Society Vol. 68, Jun 1991 (1991): 316–18. https://doi.org/10.5281/zenodo.5992650.

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Department of Chemistry, M.M.I{. College, Ghaziabad-201 001 <em>Manuscript&nbsp;received&nbsp;24 December 1990, revised 14 May 1991, accepted 31 May 1991</em> The lanthanone picrates<strong> </strong>[Ln(plcrates)<sub>3</sub>]. xH<sub>2</sub>O (where. Ln=La<sup>III</sup>, Pr<sup>III</sup>, Nd<sup>III</sup>, Sm<sup>III</sup>, Gd<sup>III</sup>, Dy<sup>lll</sup> and Yb<sup>lll</sup>) prepared and characterised by elemental analysis, ICP atomic absorption spectrophotometer, combustion analysis, molar conductance and molecular weight determination, show that they are electrolytes and possess spin-f
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Dissertations / Theses on the topic "Metal picrate"

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Macrino, Clebson de Jesus. "Estudo Comparativo da Fotoluminescência dos Picratos de Európio (III) com a 2-aza-ciclooctanona e N-metil-2-azacicloheptanona." Universidade Federal do Espírito Santo, 2013. http://repositorio.ufes.br/handle/10/6747.

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Made available in DSpace on 2016-12-23T14:41:51Z (GMT). No. of bitstreams: 1 Clebson de Jesus Macrino.pdf: 1804272 bytes, checksum: 09ea2017b28151fdc939bc46161d7011 (MD5) Previous issue date: 2013-03-11<br>Neste trabalho é descrito a síntese e caracterização dos compostos de picratos de lantanídeos (III), [Ln(pic)3], pic = C6H2N3O7 e (Ln = Eu e Gd)com a 2-aza-ciclooctanona, C7H13NO, (OEN), e N-metil-2-aza-cicloheptanona, C6H10NO(CH3),(NMK). Os compostos de estequiometria [Eu(pic)3.(H2O)11], [Eu(pic)3.(OEN)3], [Eu(pic)3.(NMK)3], [Gd(pic)3.(H2O)11], [Gd(pic)3.(OEN)3] e [Gd(pic)3.(NMK)3] foram
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Chan, Eric J. "Structural systematics of complexes of lanthanoid picrates with unidentate O-donor ligands and other related arrays." University of Western Australia. School of Biomedical, Biomolecular and Chemical Sciences, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0075.

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Structures as determined by single crystal X-ray methods for lanthanoid(III) compounds for series of simple homoleptic species with diverse ligands frequently display variations entailing a diminution in coordination number (‘C.N.’), a consequence of the variation in the size of the atoms/ions due to the ‘lanthanoid contraction’. A change from C.N. nine to eight is common, clearly separating compounds of the light/‘early’ or heavy/‘later’ metal atoms. Earlier work on the complexes of the lanthanoid(III) picrates arose out of the exploration of simple reagents which might usefully exploit lanth
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MACRINO, C. J. "Estudo Comparativo da Fotoluminescência dos Picratos de Európio (III) com a 2-azaciclooctanona e N-metil-2-azacicloheptanona." Universidade Federal do Espírito Santo, 2013. http://repositorio.ufes.br/handle/10/4687.

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Made available in DSpace on 2016-08-29T15:35:31Z (GMT). No. of bitstreams: 1 tese_6349_Clebson de Jesus Macrino.pdf: 2390080 bytes, checksum: 87246ec7c9d915a18faa3808a0440bae (MD5) Previous issue date: 2013-03-11<br>Neste trabalho é descrito a síntese e caracterização dos compostos de picratos de lantanídeos (III), [Ln(pic)3], pic = C6H2N3O7 e (Ln = Eu e Gd). com a 2-aza-ciclooctanona, C7H13NO, (OEN), e N-metil-2-aza-cicloheptanona, C6H10NO(CH3),(NMK), Os compostos de estequiometria [Eu(pic)3.(H2O)11], [Eu(pic)3.(OEN)3] e [Eu(pic)3.(NMK)3] foram sintetizados e caracterizados por procediment
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Conference papers on the topic "Metal picrate"

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Ballhaus, Chris, Raúl Fonseca, Felipe Leitzke, Thorsten Nagel, and Ahmed El Goresy†. "Metal saturated picrites from Noril'sk - lunar equivalents?" In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.4190.

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Velukkudi Santhanam, Senthil Kumar, Jeffrin Michael Gnana Anbalagan, Shanmuga Sundaram Karibeeran, Dhanashekar Manickam, and Ramaiyan Sankar. "Multi Response Optimization of Friction Stir Processing Parameters on Cryo-Rolled AZ31B Alloys." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23198.

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Abstract Friction stir processing (FSP) method is a solid-state technique used for microstructural alteration and enhancing mechanical properties of sheet metals and as-cast materials. Aluminium, brass, copper, steel, tin, nickel, magnesium and titanium are the widely used materials in friction stir processing. Even though magnesium has low density compared to aluminium, only few reports are made on magnesium. Two stage of process was carried out on the experiment to obtain fine grain refinement and improved strength. First, Cryo-rolling processing on 6mm thickness AZ31B alloy at constant roll
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