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{2,2'-[(5-Bromo-pyridine-2,3-di-yl)bis-(nitrilo-methyl-idyne)]diphenolato}chlorido(N,N-dimethyl-formamide)iron(III).

ABSTRACT: In the title complex, [Fe(C(19)H(12)BrClN(3)O(2))(C(3)H(7)NO)], the Fe(III) atom is coordinated by an N,N,O,O-tetra-dentate Schiff base ligand and trans coordinated by a chloride anion and the O atom of an N,N-dimethyl-formamide mol-ecule. The resulting geometry is distorted octa-hedral within a ClN(2)O(3) donor set.

SUBMITTER: Sheng N

PROVIDER: S-EPMC2970197 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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{2,2'-[(5-Bromo-pyridine-2,3-di-yl)bis-(nitrilo-methyl-idyne)]diphenolato}chlorido(N,N-dimethyl-formamide)iron(III).

Sheng Ning N Ni Zhonghai Z

Acta crystallographica. Section E, Structure reports online 20090912 Pt 10

In the title complex, [Fe(C(19)H(12)BrClN(3)O(2))(C(3)H(7)NO)], the Fe(III) atom is coordinated by an N,N,O,O-tetra-dentate Schiff base ligand and trans coordinated by a chloride anion and the O atom of an N,N-dimethyl-formamide mol-ecule. The resulting geometry is distorted octa-hedral within a ClN(2)O(3) donor set. ...[more]

PMID: 21577730

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{2,2'-[5-Bromo-pyridine-2,3-diylbis(nitrilo-methyl-idyne)]diphenolato}chlorido(dimethyl-formamide)manganese(III).

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Ethyl-enediammonium tetra-kis({2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}nickel(II)) bis-(perchlorate) dimethyl-formamide monosolvate.

Project description:The title compound, (C(2)H(10)N(2))[Ni(C(16)H(14)N(2)O(2))](4)(ClO(4))(2)·C(3)H(7)NO, crystallizes with four Ni(salen) mol-ecules {salen is 2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolate}, one ethyl-enediammonium cation (actually two half-cations, each located on a center of inversion), two perchlorate anions and one dimethyl-formamide solvent mol-ecule in the asymmetric unit. Each Ni(II) cation in the Ni(salen) complex is four-coordinated by two imine N atoms and two phenolate O atoms from the tetra-dentate ligand. The Ni(salen) units form parallel slipped stacks with Ni?Ni separations of 3.4541?(4) and 3.6442?(6)?Å. The crystal packing is stabilized by inter-molecular hydrogen bonds between the ammonium H atoms and the perchlorate and salen O atoms, which generate a three-dimensional structure.

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Bis{?-4,4'-dibromo-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}bis-[chloridomanganese(III)] N,N-dimethyl-formamide disolvate.

Project description:The asymmetric unit of the title compound, [Mn(2)(C(20)H(12)Br(2)N(2)O(2))(2)Cl(2)]·2C(3)H(7)NO, contains one half of a centrosymmetric dinuclear Mn(III) complex and an N,N-dimethyl-formamide solvent mol-ecule. In the complex, the two Mn(III) ions are bridged by two O atoms from two symmetry-related N,N'-bis-(5-bromo-salicyl-idene)-1,2-diimino-benzene dianionic ligands with the longer Mn-O distance of 2.703?(3)?Å, thus each Mn ion is six-coordinated by two N and three O atoms from the two dianionic ligands and one capping Cl atom in a distorted octa-hedral environment. The crystal structure displays inter-molecular ?-? inter-actions between adjacent benzene rings, with a shortest centroid-centroid distance of 3.673?(2)?Å, and inter-molecular C-H?O, C-H? Cl and C-H? Br hydrogen bonds.

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Project description:In the structure of the title compound, [Mo(C(19)H(20)N(2)O(2))O(2)], the Mo atom exhibits oxidation state +VI and is surrounded by two O atoms and the tetra-dentate Schiff base ligand 2,2'-[(2,2-dimethyl-propane-1,3-di-yl)bis-(nitrilo-methyl-idyne)]diphenolate in a distorted octa-hedral configuration. An intra-molecular C-H⋯O hydrogen bond between a methyl-ene group and one O atom of the O=Mo(VI)=O unit, as well as additional inter-molecular hydrogen bonds between neighboring mol-ecules, lead to a weakly bonded inversion-symmetric dimeric structure.

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