30 hasil untuk "Fatima Setifi"
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Artikel Jurnal
Bis{bis(azido-κN)bis[bis(pyridin-2-yl-κN)amine]cobalt(III)} sulfate dihydrate
The search for new molecular materials with interesting magnetic properties, using the pseudohalide azide ion and di-2-pyridylamine (dpa, C10H9N3) as a chelating ligand, led to the synthesis and structure determination of the title compound, [Co(N3)2(dpa)2]2SO4·2H2O. The crystal structure comprises…
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Artikel Jurnal
Crystal structure of tris(2,2′-bipyridine)cobalt(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide)
In the title compound, [Co(C10H8N2)3](C9H5N4O)2, the tris(2,2′-bipyridine)cobalt(II) dication lies across a twofold rotation axes in the space group C2/c. The N atoms of the three bipyridine ligands form a distorted octahedron around the cobalt ion. All the N atoms of the polynitrile…
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Artikel Jurnal
Synthesis and structure of catena-poly[[[bis(pyridin-2-yl)amine]cadmium(II)]-di-μ2-azido]
In the title compound, [Cd(N3)2(C10H9N3)]n, the cadmium(II) ion displays a distorted CdN6 octahedral geometry arising from one bidentate ligand and four azide ions and forms zigzag polymeric [100] chains via the bridging azide ions, both of which show μ1,1 (end-on) coordination. Adjacent chains are…
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Artikel Jurnal
Redetermination of the crystal structure of bis(tri-2-pyridylamine)iron(II) bis(perchlorate), and a new refinement of the isotypic nickel(II) analogue: treatment of the perchlorate anion disorder
The redetermination of the structure of the title compound, [Fe(C15H12N4)2](ClO4)2, (I), confirms the structure previously reported [Kucharski et al. (1978a). Aust. J. Chem. 31, 53–56], but models the perchlorate over four sets of atomic sites, rather than using just one set of sites as in the…
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Artikel Jurnal
Crystal structure of μ-cyanido-1:2κ2N:C-dicyanido-1κC,2κC-bis(quinolin-8-amine-1κ2N,N′)-2-silver(I)-1-silver(II): rare occurrence of a mixed-valence AgI,II compound
The title dinuclear complex, [Ag2(CN)3(C9H8N2)2], may be considered as an AgII compound with the corresponding metal site coordinated by two bidentate quinolin-8-amine molecules, one cyanide group and one dicyanidoargentate(I) anion, [Ag(CN)2]−. Since this latter ligand contains an AgI atom, the…
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Artikel Jurnal
Crystal structure of tetraaqua[2-(pyridin-2-yl)-1H-imidazole-κ2N2,N3]iron(II) sulfate
In the title compound, [Fe(C8H7N3)(H2O)4]SO4, the central FeII ion is octahedrally coordinated by two N atoms from the bidentate 2-(pyridin-2-yl)-1H-imidazole ligand and by four O atoms of the aqua ligands. The largest deviation from the ideal octahedral geometry is reflected by the small N—Fe—N…
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Artikel Jurnal
Synthesis, crystal structure and Hirshfeld surface analysis of bis{2-[(pyridin-2-yl)amino]pyridinium} tetracyanonickelate(II)
In the title molecular salt, (C10H10N3)2[Ni(CN)4], the dihedral angle between the pyridine rings in the cation is 1.92 (13)° and the complete anion is generated by a crystallographic centre of symmetry. An intramolecular N—H...N hydrogen bond occurs in the cation, which closes an S(6) ring. In the…
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Artikel Jurnal
Crystal structure of [tris(4,4′-bipyridine)]diium bis(1,1,3,3-tetracyano-2-ethoxypropenide) trihydrate
The title hydrated salt, C30H26N62+·2C9H5N4O−·3H2O, was obtained as an unexpected product from the hydrothermal reaction between potassium 1,1,3,3-tetracyano-2-ethoxypropenide, 4,4′-bipyridine and iron(II) sulfate heptahydrate. The cation lies across a twofold rotation axis in the space group I2/a…
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Artikel Jurnal
Crystal structure of bis(azido-κN)bis(quinolin-8-amine-κ2N,N′)iron(II)
The search for new molecular materials with interesting magnetic properties using the pseudohalide azide ion and quinolin-8-amine (aqin, C9H8N2) as a chelating ligand, led to the synthesis and structure determination of the title complex, [Fe(N3)2(C9H8N2)2]. The complex shows an octahedral…
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Artikel Jurnal
Bis[tris(pyridin-2-yl)amine]iron(II) tris(dicyanomethylidene)methanediide
In the title compound, [Fe{(C5H4N)3N}2][C{C(CN)2}3], both ions lie across centres of inversion, with the anion being statistically disordered over two sets of atomic sites having equal occupancy. The cation and anion have approximate \overline{3} and 32 symmetry, respectively, and the Fe—N bond…
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Artikel Jurnal
Crystal structure of tetraaqua(5,5′-dimethyl-2,2′-bipyridyl-κ2N,N′)iron(II) sulfate
In the title compound, [Fe(C12H12N2)(H2O)4]SO4, the central FeII ion is coordinated by two N atoms from the 5,5′-dimethyl-2,2′-bipyridine ligand and four water O atoms in a distorted octahedral geometry. The Fe—O coordination bond lengths vary from 2.080 (3) to 2.110 (3) Å, while the two Fe—N…
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Artikel Jurnal
Crystal structure of meso-di-μ-chlorido-bis[bis(2,2′-bipyridine)cadmium] bis(1,1,3,3-tetracyano-2-ethoxypropenide) 0.81-hydrate
The hydrated title salt, [Cd2Cl2(C10H8N2)4](C9H5N4O)2·0.81H2O, was obtained from the hydrothermal reaction between 2,2′-bipyridine, cadmium(II) chloride and potassium 1,1,3,3-tetracyano-2-ethoxypropenide. The binuclear cation lies across a centre of inversion in the space group P21/c, with the…
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Artikel Jurnal
trans-Bis(quinoline-8-amine-κ2N,N′)bis(1,1,3,3-tetracyano-2-methoxypropenido-κN)iron(II)
The title compound, [Fe(C8H3N4O)2(C9H8N2)2], was synthesized solvothermally. The complex exhibits a distorted octahedral coordination geometry. The Fe2+ ion is located on an inversion centre. The octahedral FeN6 coordination sphere is composed of bidentate quinoline-8-amine in the equatorial sites…
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Artikel Jurnal
Bis(azido-κN)bis(quinolin-8-amine-κ2N,N′)iron(II) monohydrate
In the hydrated title complex, [Fe(N3)2(AQ)2]·H2O (AQ is 8-aminoquinoline, C9H9N2), the FeII ion is coordinated in a distorted octahedral manner by two neutral, chelating AQ ligands and two anionic, monodentate azide (N3−) ions in a syn,cis-configuration. From the two AQ ligands, the pyridyl N…
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Artikel Jurnal
Bis(azido-κN1)bis(2,2′-dipyridylamine-κ2N1,N1′)iron(II) monohydrate
In the hydrated title complex, [Fe(dpa)2(N3)2]·H2O (dpa is 2,2′-dipyridylamine, C10H9N3), the FeII ion is coordinated in a distorted octahedral manner by two neutral, chelating dpa ligands and two anionic, monodentate azide (N3−) ions in a cis-configuration. Distortion results from different Fe—N…
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Artikel Jurnal
fac-Triaqua(1,10-phenanthroline-κ2N,N′)(sulfato-κO)cobalt(II): crystal structure, Hirshfeld surface analysis and computational study
The CoII atom in the title complex, [Co(SO4)(C12H8N2)(H2O)3] (or C12H14CoN2O7S), is octahedrally coordinated within a cis-N2O4 donor set defined by the chelating N-donors of the 1,10-phenanthroline ligand, sulfate-O and three aqua-O atoms, the latter occupying an octahedral face. In the crystal…
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Artikel Jurnal
Poly[tetra-μ-cyanido-trans-bis(dimethylformamide-κO)manganese(II)nickel(II)]
In the crystal of the title compound, [MnNi(CN)4(C3H7NO)2]n, both metal cations lie on sites of 2/m symmetry, with the NiII ion being four-coordinate square-planar and the MnII ion being six-coordinate octahedral. Both coordination spheres are slightly distorted from the ideal shapes. The…
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Artikel Jurnal
catena-Poly[[(5,5′-dimethyl-2,2′-bipyridine)nickel(II)]-μ2-azido-κ2N:N-μ2-azido-κ2N:N′]: synthesis, crystal structure, Hirshfeld surface analysis and DFT calculations
…to compare the stability of this compound with those previously reported [Setifi et al. (2022). Acta Cryst. C78, 449–454].
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Artikel Jurnal
Bis(2,2′-bi-1H-imidazole)copper(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide)
In the title compound, [Cu(C6H6N4)2](C9H5N4O)2, the Cu2+ ion (site symmetry overline{1}) is coordinated by two N,N′-bidentate 2,2′-biimidazole (H2biim) ligands, generating a square-planar CuN4 geometry. The dihedral angle between the aromatic rings in the ligand is 0.70 (9)°…
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Artikel Jurnal
Tris(2,2′-bipyridine)iron(II) tris(dicyanomethylidene)methanediide
The asymmetric unit of the title compound, [Fe(C10H8N2)3][C{C(CN)2}3], contains an iron–bipyridyl unit and one third of two crystallographic independent tris(dicyanomethylidene)methanediide units. As a result of crystallographic site symmetry the ratio of cations to anions is 1:1. The…