Relevant bibliographies by topics / Perchlorate coordination

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Academic literature on the topic 'Perchlorate coordination'

Author: Grafiati
Published: 5 June 2025
Last updated: 12 July 2025

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Journal articles on the topic "Perchlorate coordination"

1

Avecilla, Fernando, David Esteban, Carlos Platas-Iglesias, Susana Fernández-Martínez, Andres De Blas, and Teresa Rodríguez-Blas. "A barium perchlorate complex with a lateral macrobicycle derived from 4,13-diaza-18-crown-6 containing a pyridine Schiff base spacer." Acta Crystallographica Section C Crystal Structure Communications 59, no. 11 (2003): m450—m451. http://dx.doi.org/10.1107/s0108270103016901.

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In the crystal structure of (perchlorato-κ2 O,O′))(28,31,36,39tetraoxa-1,9,17,25,42-pentaazapentacyclo[23.8.5.111,15.03,8.018,23]nonatriaconta-3,5,7,9,11,13,15,16,18,20,22-undecaene-κ8 N 1,N 9, N 17,N 42,O 28,O 31,O 36,O 39)barium(II) perchlorate, [Ba(ClO4)(C33H41N5O4)](ClO4), the BaII cation is situated in the macrobicyclic cavity, bound to only eight of the nine available donor atoms of the Schiff base macrobicyclic receptor. The pivotal N5 atom does not belong to the coordination sphere of the BaII ion, in spite of its endo conformation with the lone pair directed towards the inside of the cavity. The BaII ion completes its coordination core with two O atoms of one bidentate perchlorate group.
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2

Hennings, Erik, Horst Schmidt, and Wolfgang Voigt. "Crystal structures of Sr(ClO4)2·3H2O, Sr(ClO4)2·4H2O and Sr(ClO4)2·9H2O." Acta Crystallographica Section E Structure Reports Online 70, no. 12 (2014): 510–14. http://dx.doi.org/10.1107/s1600536814024726.

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The title compounds, strontium perchlorate trihydrate {di-μ-aqua-aquadi-μ-perchlorato-strontium, [Sr(ClO4)2(H2O)3]n}, strontium perchlorate tetrahydrate {di-μ-aqua-bis(triaquadiperchloratostrontium), [Sr2(ClO4)4(H2O)8]} and strontium perchlorate nonahydrate {heptaaquadiperchloratostrontium dihydrate, [Sr(ClO4)2(H2O)7]·2H2O}, were crystallized at low temperatures according to the solid–liquid phase diagram. The structures of the tri- and tetrahydrate consist of Sr2+cations coordinated by five water molecules and four O atoms of four perchlorate tetrahedra in a distorted tricapped trigonal–prismatic coordination mode. The asymmetric unit of the trihydrate contains two formula units. Two [SrO9] polyhedra in the trihydrate are connected by sharing water molecules and thus forming chains parallel to [100]. In the tetrahydrate, dimers of two [SrO9] polyhedra connected by two sharing water molecules are formed. The structure of the nonahydrate contains one Sr2+cation coordinated by seven water molecules and by two O atoms of two perchlorate tetrahedra (point group symmetry ..m), forming a tricapped trigonal prism (point group symmetrym2m). The structure contains additional non-coordinating water molecules, which are located on twofold rotation axes. O—H...O hydrogen bonds between the water molecules as donor and ClO4tetrahedra and water molecules as acceptor groups lead to the formation of a three-dimensional network in each of the three structures.
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3

Nath, Babul Chandra, Sebastián Suarez, Fabio Doctorovich, Tapashi G. Roy, and Ricardo Baggio. "Two solvatomorphic forms of a copper complex formulated as Cu(L1)(ClO4)2·1.2H2O and Cu(L1)(ClO4)2, whereL1is 3,10-C-meso-3,5,7,7,10,12,14,14-octamethyl-1,4,8,11-tetraazacyclotetradecane." Acta Crystallographica Section C Crystal Structure Communications 69, no. 7 (2013): 689–95. http://dx.doi.org/10.1107/s0108270113013711.

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Two copper complex solvatomorphs, namely (3,10-C-meso-3,5,7,7,10,12,14,14-octamethyl-1,4,8,11-tetraazacyclotetradecane)bis(perchlorato-κO)copper(II) 1.2-hydrate, [Cu(ClO4)2(C18H40N4)]·1.2H2O, (I), and (3,10-C-meso-3,5,7,7,10,12,14,14-octamethyl-1,4,8,11-tetraazacyclotetradecane)bis(perchlorato-κO)copper(II), [Cu(ClO4)2(C18H40N4)], (II), are described and compared with each other and with a third, already reported, anhydrous diastereomer, denoted (III). Both compounds present very similar centrosymmetic coordination environments, with the CuIIcation lying on an inversion centre in a distorted 4+2 octahedral environment, defined by the macrocyclic N4group in the equatorial sites and two perchlorate groups intrans-axial positions [one of the perchlorate ligands in (I) is partially disordered]. The most significant difference in molecular shape is seen in the orientation of the perchlorate anions, and the influence of this on the intramolecular hydrogen bonding is discussed. The (partially) hydrated state of (I) favours the formation of chains along [011], while the anhydrous character of (II) and (III) promotes loosely bound structures with low packing indices.
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4

Yang, Guang, Elena V. Rybak-Akimova, and Charles Campana. "{1,1′-Bis[(pyridin-2-yl)methyl]-2,2′-bipiperidyl}(perchlorato)copper(II) perchlorate." Acta Crystallographica Section E Crystallographic Communications 73, no. 7 (2017): 1082–86. http://dx.doi.org/10.1107/s2056989017009410.

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The title complex, [CuII(ClO4)(mesoPYBP)](ClO4) {PYBP = 1,1′-bis[(pyridin-2-yl)methyl]-2,2′-bipiperidyl, C22H30N4}, was prepared and found to crystallize with two crystallographically independent complex salt moieties. The metal atoms of the cations adopt a pseudo-square-pyramidal coordination geometry, where the tetradentate aminopyridine ligands (PYBP) are wrapped around the Cu atoms in the equatorial plane. The Cu—O bonds involving an O atom of the coordinating perchlorate anion are approximately perpendicular to the plane. The two remaining non-coordinating perchlorate anions are involved in several C—H...O hydrogen bonds with the PYBP ligand and balance the total charge of the complex salt. The two crystallographically independent moieties are related to each otherviaa pseudo-translation along thea-axis direction. Exact translational symmetry is broken by (i) a difference in the conformation of one of the piperidine rings, featuring a chair conformation in one of the cations, and a sterically disfavored boat conformation in the other; and (ii) by modulation of the non-coordinating perchlorate anions.
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5

Wu, Yang, Wen-Zhen Wang, Rayyat Huseyn Ismayilov, Gene-Hsiang Lee, and Shie-Ming Peng. "A coordination polymer consisting of two different one-dimensional copper(II) chains." Acta Crystallographica Section C Structural Chemistry 70, no. 3 (2014): 285–88. http://dx.doi.org/10.1107/s2053229614002472.

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The title compound,catena-poly[[[diaqua(methanol-κO)copper(II)]-μ-N-(4-methylpyrimidin-2-yl-κN1)pyrazin-2-amine-κ2N1:N4] [[aqua(aqua/methanol-κO)(perchlorato-κO)copper(II)]-μ-N-(4-methylpyrimidin-2-yl-κN1)pyrazin-2-amine-κ2N1:N4] tris(perchlorate) methanol monosolvate 1.419-hydrate], {[Cu(C9H9N5)(CH3OH)(H2O)2][Cu(C9H9N5)(ClO4)(CH3OH)0.581(H2O)1.419](ClO4)3·CH3OH·1.419H2O}n, is a one-dimensional straight-chain polymer ofN-(4-methylpyrimidin-2-yl)pyrazin-2-amine (L) with Cu(ClO4)2. The complex consists of two crystallographically independent one-dimensional chains in which the CuIIatoms exhibit two different octahedral coordination geometries. TheLligand coordinates to two CuIIcentres in a tridentate manner, with the pyrazine ring acting as a bridge linking the CuIIcoordination units and building an infinite one-dimensional chain. Extensive hydrogen bonding among perchlorate anions, water molecules andLligands results in three-dimensional networks.
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6

Soldin, Željka, Boris-Marko Kukovec, Milica Kovačić, Marijana Đaković, and Zora Popović. "The Anion Impact on Dimensionality of Cadmium(II) Complexes with Nicotinamide." Chemistry 5, no. 2 (2023): 1357–68. http://dx.doi.org/10.3390/chemistry5020092.

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Three novel cadmium(II) coordination compounds, the dimeric [Cd(CH3COO)2(nia)2]2 (1), the polymeric {[Cd(nia)4](ClO4)2}n (2), and the monomeric [Cd(H2O)3(nia)3](ClO4)2·nia (3), were prepared in the reactions of the nicotinamide (pyridine-3-carboxamide, nia) with the corresponding cadmium(II) salts. All prepared compounds were characterized by elemental analyses, FT-IR spectroscopy, TGA/DTA, and single crystal X-ray analysis. The impact of anions (acetate, perchlorate) and solvent used on the dimensionality of cadmium(II) complexes and the cadmium(II) coordination environment was investigated. The bridging capabilities of acetate ions enabled the formation of dimers in the crystal structure of 1. It was shown that the dimensionality of perchlorate complexes depends on the solvent used. The coordination polymer 2 is isolated from an ethanol solution, while monomeric compound 3 was obtained by using a water/ethanol mixture as a solvent. The pentagonal-bipyramidal coordination of cadmium(II) was found in the presence of chelating and bridging acetate ions in 1. In the presence of non-coordinating perchlorate anions in 2 and 3, the coordination geometry of cadmium(II) is found to be octahedral. The supramolecular amide-amide homosynthon R22(8) was preserved in the hydrogen-bonded frameworks of all three compounds.
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7

Hennings, Erik, Horst Schmidt, and Wolfgang Voigt. "Crystal structure of iron(III) perchlorate nonahydrate." Acta Crystallographica Section E Structure Reports Online 70, no. 12 (2014): 477–79. http://dx.doi.org/10.1107/s1600536814024295.

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Since the discovery of perchlorate salts on Mars and the known occurrence of ferric salts in the regolith, there is a distinct possibility that the title compound could form on the surface of Mars. [Fe(H2O)6](ClO4)3·3H2O was crystallized from aqueous solutions at low temperatures according to the solid–liquid phase diagram. It consists of Fe(H2O)6octahedra (point group symmetry -3.) and perchlorate anions (point group symmetry .2) as well as non-coordinating water molecules, as part of a second hydrogen-bonded coordination sphere around the cation. The perchlorate appears to be slightly disordered, with major–minor component occupancies of 0.773 (9):0.227 (9).
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8

Tsymbal, Liudmyla V., Vladimir B. Arion та Yaroslaw D. Lampeka. "The first structural characterization of the protonated azacyclam ligand in catena-poly[[[(perchlorato)copper(II)]-μ-3-(3-carboxypropyl)-1,5,8,12-tetraaza-3-azoniacyclotetradecane] bis(perchlorate)]". Acta Crystallographica Section E Crystallographic Communications 75, № 11 (2019): 1700–1704. http://dx.doi.org/10.1107/s205698901901377x.

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The asymmetric unit of the title compound, catena-poly[[[(perchlorato-κO)copper(II)]-μ-3-(3-carboxypropyl)-1,5,8,12-tetraaza-3-azoniacyclotetradecane-κ4 N 1,N 5,N 8,N 12] bis(perchlorate)], {[Cu(C13H30N5O2)(ClO4)](ClO4)2} n , (I), consists of a macrocyclic cation, one coordinated perchlorate anion and two perchlorate ions as counter-anions. The metal ion is coordinated in a tetragonally distorted octahedral geometry by the four secondary N atoms of the macrocyclic ligand, the mutually trans O atoms of the perchlorate anion and the carbonyl O atom of the protonated carboxylic acid group of a neighbouring cation. The average equatorial Cu—N bond lengths [2.01 (6) Å] are significantly shorter than the axial Cu—O bond lengths [2.379 (8) Å for carboxylate and average 2.62 (7) Å for disordered perchlorate]. The coordinated macrocyclic ligand in (I) adopts the most energetically favourable trans-III conformation with an equatorial orientation of the substituent at the protonated distal 3-position N atom in a six-membered chelate ring. The coordination of the carboxylic acid group of the cation to a neighbouring complex unit results in the formation of infinite chains running along the b-axis direction, which are crosslinked by N—H...O hydrogen bonds between the secondary amine groups of the macrocycle and O atoms of the perchlorate counter-anions to form sheets lying parallel to the (001) plane. Additionally, the extended structure of (I) is consolidated by numerous intra- and interchain C—H...O contacts.
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9

Paoli, Paola, Eleonora Macedi, Patrizia Rossi, Luca Giorgi, Mauro Formica та Vieri Fusi. "Crystal structure of the BaII-based CoII-containing one-dimensional coordination polymer poly[[aqua{μ4-2,2′-[(4,10-dimethyl-1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(methylidene)]bis(4-oxo-4H-pyran-3-olato)}perchloratocobaltbarium] perchlorate]". Acta Crystallographica Section E Crystallographic Communications 73, № 12 (2017): 1806–11. http://dx.doi.org/10.1107/s2056989017015638.

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The title compound, {[Ba{Co(H-2L1)}(ClO4)(H2O)]ClO4}n,L1 =4,10-bis[(3-hydroxy-4-pyron-2-yl)methyl]-1,7-dimethyl-1,4,7,10-tetraazacyclododecane, is a one-dimensional coordination polymer. The asymmetric unit consists of a {Ba[Co(H–2L1)](ClO4)(H2O)}+cationic fragment and a non-coordinating ClO4−anion. In the neutral [Co(H–2L1)] moiety, the cobalt ion is hexacoordinated in a trigonal–prismatic fashion by the surrounding N4O2donor set. The Ba2+ion is nine-coordinated and exhibits a distorted [BaO9] monocapped square-antiprismatic geometry, the six oxygen atoms coming from three distinct [Co(H–2L1)] moieties, while the remaining three vertices are occupied by the oxygen atoms of a bidentate perchlorate anion and a water molecule. A barium–μ2-oxygen motif develops along theaaxis, connecting symmetry-related dinuclear BaII–CoIIcationic fragments in a wave-like chain, forming a one-dimensional metal coordination polymer. Non-coordinating ClO4−anions are located in the space between the chains. Weak C—H...O hydrogen bonds involving both coordinating and non-coordinating perchlorate anions build the whole crystal architecture. To our knowledge, this is the first example of a macrocyclic ligand forming a BaII-based one-dimensional coordination polymer, containing CoIIions surrounded by a N4O2donor set.
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10

Harrowfield, JM, H. Miyamae, TM Shand, BW Skelton, AA Soudi, and AH White. "Lewis-Base Adducts of Lead(II) Compounds. IX. Synthetic and Structural Studies of Some 1:1 Adducts of 'cyclam' and Its Hexamethylated Derivative 'tet-b' With Lead(II) Oxoanion Salts." Australian Journal of Chemistry 49, no. 10 (1996): 1051. http://dx.doi.org/10.1071/ch9961051.

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Syntheses and room-temperature single-crystal X-ray structure determinations are recorded for 1 : 1 adducts of (1,4,8,11-tetraazacyclotetradecane) ('cyclam') with lead(II) perchlorate and (7R*,14R*)-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane ('tet -b') with lead(II) nitrate, perchlorate and acetate ('ac'). [( cyclam ) Pb (ClO4)2] is orthorhombic, Pb21a, a 16.024(7), b 13.595(4), c 8.6810(5) Ǻ, Z = 4 f.u .; R was 0.055 for No 1318 independent 'observed' (I > 3σ(I)) reflections. [( tet -b) Pb (NO3)2]2 is monoclinic. P 21/a, a 16.15(2), b 14.550(6), c 19.775(2) Ǻ, β 90.86(5)°, Z = 4 dimers ; R 0.074 for No 3184. [( tet -b) Pb (ClO4)2]2.H2O is monoclinic, P 21/c, a 13.663(9), b 9.031(3). c 20.61(1) Ǻ, β 100.40(3)°, Z = 4 f.u .; R 0.044 for No 2857. [( tet -b) Pb (ac)2].2H2O is triclinic, Pī , a 13.138(5), b 10.924(4), c 10.518(3) Ǻ, α 115.48(3), β 91.95(2), γ 102.38(2)°, Z = 2 f.u .; R 0.031 for No 6485. In all complexes, the macrocycle-N4 ligand occupies one 'side' of the coordination sphere of the lead atom, with anionic oxygens opposed; the cyclam/perchlorate complex is, like the nitrate, mononuclear with seven-coordinate (N4)PbO3 with a bidentate O,O'- and a unidentate O- perchlorate . In the tet-b acetate, the anionic oxygen atoms are surprisingly sparse, comprising simply a bidentate acetate in a mononuclear (N4)PbO2 environment with the other (lattice) acetate bonded to the macrocycle axial NH hydrogens . The nitrate and perchlorate complexes involve bridging anions: in the nitrate. a central centrosymmetric PbO2Pb array is found, the lead atoms being bridged by one oxygen of a bidentate nitrate, the other nitrate being unidentate and the coordination sphere (N4)PbO4: in the perchlorate , again a centrosymmetric dimer is found, the lead atoms being linked by O,O'-bridging perchlorates (again with (N4)PbO2 coordination environments), the complex being essentially [( tet -b) Pb (OClO2O)2Pb( tet -b)](ClO4)2H2O. The structure of [cyclamH4]4+ (NO3-)4.2H2O is also recorded [triclinic, Pī , a 8.626(2), b 8.549(1), c 8.400(2) Ǻ, α 80.60(2), β 76.62(2), γ 65.06(1)°, Z = 1; R 0.044 for No 1539], together with that of the diprotonated hexamethyl derivative [tet-bH2]2+(ClO4-)2.CH3OH [monoclinic, P21/c, a 11.296(3), b 8.834(8), c 26.22(1) Ǻ, β 99.05(3)°, Z = 4 f.u .; R 0.063 for No 2583].
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Dissertations / Theses on the topic "Perchlorate coordination"

1

Mahmoudi, Ghodrat, Damir A. Safin, Mariusz P. Mitoraj, et al. "Anion-driven tetrel bond-induced engineering of lead(II) architectures with N′-(1-(2-pyridyl)ethylidene)nicotinohydrazide: experimental and theoretical findings." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-224307.

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The evaluation of N′-(1-(2-pyridyl)ethylidene)nicotinohydrazide (HL) as a linker for the PbII tagged extended structures is described. The reaction of Pb(ClO4)2 or Pb(OAc)2 with HL in MeOH at 60 °C and room temperature, respectively, leads to heteroleptic complexes {[PbL]ClO4}n·nH2O and [PbL(OAc)]2, while the same reaction of Pb(ClO4)2 with HL at 60 °C in the presence of two equivalents of NaOAc or NaNO2 leads to heteroleptic complexes {[Pb(HL)(OAc)]ClO4}n and [PbL(NO2)]n, respectively. Using Pb(NO3)2 as a source of PbII in the same reaction with HL and two equivalents of NaN3 or NaNCS at room temperature yields [PbLN3]n and [Pb2(HL)2(NO3)2(NCS)2], respectively. The room temperature reaction of Pb(NO3)2 with HL in the presence of two equivalents of NaClO4 leads to the transformation of the parent ligand to its perchlorate salt [H2L]ClO4. In all the obtained PbII structures, HL or its deprotonated form L acts both as a chelating and a bridging ligand. The nature of the inorganic anion also influences the final structure. In all complexes the PbII center exhibits a hemidirected coordination geometry with all the covalent bonds being concentrated on one hemisphere of the coordination sphere with the closest approach of two atoms on the other side varying from 151° to 232°. The sterically available PbII ion participates in tetrel bonding as evidenced from the detailed structural analysis of the described complexes. As a result of tetrel bonding, the structures of all the six compounds can be extended to a higher dimensional framework, which is further stabilized by π⋯π stacking interactions between the aromatic rings. The DFT based charge and energy decomposition (ETS-NOCV) calculations are performed in order to shed light on the nature of non-covalent interactions that determine the stability of the obtained structures.
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Mahmoudi, Ghodrat, Damir A. Safin, Mariusz P. Mitoraj, et al. "Anion-driven tetrel bond-induced engineering of lead(II) architectures with N′-(1-(2-pyridyl)ethylidene)nicotinohydrazide: experimental and theoretical findings." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A30311.

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The evaluation of N′-(1-(2-pyridyl)ethylidene)nicotinohydrazide (HL) as a linker for the PbII tagged extended structures is described. The reaction of Pb(ClO4)2 or Pb(OAc)2 with HL in MeOH at 60 °C and room temperature, respectively, leads to heteroleptic complexes {[PbL]ClO4}n·nH2O and [PbL(OAc)]2, while the same reaction of Pb(ClO4)2 with HL at 60 °C in the presence of two equivalents of NaOAc or NaNO2 leads to heteroleptic complexes {[Pb(HL)(OAc)]ClO4}n and [PbL(NO2)]n, respectively. Using Pb(NO3)2 as a source of PbII in the same reaction with HL and two equivalents of NaN3 or NaNCS at room temperature yields [PbLN3]n and [Pb2(HL)2(NO3)2(NCS)2], respectively. The room temperature reaction of Pb(NO3)2 with HL in the presence of two equivalents of NaClO4 leads to the transformation of the parent ligand to its perchlorate salt [H2L]ClO4. In all the obtained PbII structures, HL or its deprotonated form L acts both as a chelating and a bridging ligand. The nature of the inorganic anion also influences the final structure. In all complexes the PbII center exhibits a hemidirected coordination geometry with all the covalent bonds being concentrated on one hemisphere of the coordination sphere with the closest approach of two atoms on the other side varying from 151° to 232°. The sterically available PbII ion participates in tetrel bonding as evidenced from the detailed structural analysis of the described complexes. As a result of tetrel bonding, the structures of all the six compounds can be extended to a higher dimensional framework, which is further stabilized by π⋯π stacking interactions between the aromatic rings. The DFT based charge and energy decomposition (ETS-NOCV) calculations are performed in order to shed light on the nature of non-covalent interactions that determine the stability of the obtained structures.
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3

WANG, FANG-YU, and 王方宇. "Derivatives of thiophene、furane、pyrrol、pyridine, studies of synthesis and their coordination with cobalt (II) perchlorate." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/31816823005608550623.

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