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Dibromido(2,3,9,10-tetra-methyl-1,4,8,11-tetra-azacyclo-tetra-deca-1,3,8,10-tetra-ene)cobalt(III) bromide.

ABSTRACT: In the title compound, [CoBr(2)(C(14)H(24)N(4))]·Br, the Co(III) ion is located on an inversion centre and possesses a distorted octa-hedral coordination geometry in which four nitro-gen donors of the ligand mol-ecule are in the equatorial plane and two Br(-) ions occupy both the axial sites to give a trans isomer. The Br(- )counter- anion is also located on an inversion centre.

SUBMITTER: El-Ghamry H

PROVIDER: S-EPMC2971086 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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Dibromido(2,3,9,10-tetra-methyl-1,4,8,11-tetra-azacyclo-tetra-deca-1,3,8,10-tetra-ene)cobalt(III) bromide.

El-Ghamry Hoda H Issa Raafat R El-Baradie Kamal K Masaoka Shigeyuki S Sakai Ken K

Acta crystallographica. Section E, Structure reports online 20091017 Pt 11

In the title compound, [CoBr(2)(C(14)H(24)N(4))]·Br, the Co(III) ion is located on an inversion centre and possesses a distorted octa-hedral coordination geometry in which four nitro-gen donors of the ligand mol-ecule are in the equatorial plane and two Br(-) ions occupy both the axial sites to give a trans isomer. The Br(- )counter- anion is also located on an inversion centre. ...[more]

PMID: 21578128

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(5,7,7,12,14,14-Hexamethyl-1,4,8,11-tetra-azacyclo-tetra-deca-4,11-diene-κN,N,N,N)(thio-cyanato-κS)nickel(II) perchlorate monohydrate.

Project description:In the title compound, [Ni(SCN)(C(16)H(32)N(4))]ClO(4)·H(2)O, the Ni(II) ion is coordinated by the four N atoms of the tetra-azacyclo-tetra-deca-4,11-diene macrocyclic ligand and by the S atom of a thio-cyanate anion. The perchlorate anion is rotationally disordered around one Cl-O bond between two orientations; the occupancies refined to 0.61 (4) and 0.39 (4). Inter-molecular O-H⋯N, N-H⋯O and N-H⋯N hydrogen bonds link two cations, two anions and two solvent water mol-ecules into a centrosymmetric cluster. The crystal packing is further stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

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