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Tetra-ethyl-ammonium tris-(thio-cyanato-κN)[tris-(1H-pyrazol-1-yl-κN(2))methane]-nickelate(II).

ABSTRACT: The title salt, (C₈H₂₀N)[Ni(NCS)₃(C₁₀H₁₀N₆)], consists of a tetra-ethyl-ammonium cation and an anion comprising an octa-hedral Ni(II) atom surrounded by three N atoms from a tripodal tris-(pyrazol-1-yl)methane ligand, and three thio-cyanate ligands, each bound at the N-atom end. The ligand Ni-N distances range from 2.097 (2) to 2.127 (2) Å for the tripodal ligand and from 2.045 (2) to 2.075 (2) Å for the thio-cyanate ligands. The dihedral angles between the three pyrazole rings are 59.03 (12), 53.09 (10) and 67.90 (10)°.

SUBMITTER: Lyubartseva G

PROVIDER: S-EPMC3393163 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Tetra-ethyl-ammonium tris-(thio-cyanato-κN)[tris-(1H-pyrazol-1-yl-κN(2))methane]-nickelate(II).

Lyubartseva Ganna G Parkin Sean S Mallik Uma Prasad UP Jeon Hee Kyung HK

Acta crystallographica. Section E, Structure reports online 20120613 Pt 7

The title salt, (C₈H₂₀N)[Ni(NCS)₃(C₁₀H₁₀N₆)], consists of a tetra-ethyl-ammonium cation and an anion comprising an octa-hedral Ni(II) atom surrounded by three N atoms from a tripodal tris-(pyrazol-1-yl)methane ligand, and three thio-cyanate ligands, each bound at the N-atom end. The ligand Ni-N distances range from 2.097 (2) to 2.127 (2) Å for the tripodal ligand and from 2.045 (2) to 2.075 (2) Å for the thio-cyanate ligands. The dihedral angles between the three pyrazole rings are 59.03 (12), 5 ...[more]

PMID: 22807731

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Bis[tris-(1H-pyrazol-1-yl-κN)methane]-nickel(II) bis-{[tris-(1H-pyrazol-1-yl-κN)methane]-tris-(thio-cyanato-κN)nickelate(II)} methanol disolvate.

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cis-(1,4,8,11-Tetra-aza-cyclo-tetra-decane-κN (4))bis(-thio-cyanato-κN)chromium(III) thio-cyanate.

Project description:The crystal structure of [Cr(NCS)2(cyclam)]NCS (cyclam = 1,4,8,11-tetra-aza-cyclo-tetra-deca-ne, C10H24N4) has been determined by using synchrotron radiation at 98 K. The Cr(III) atom is in a slightly distorted octa-hedral environment with four N atoms of the macrocyclic ligand and two N-coordinated NCS(-) anions in cis positions. The average Cr-N(cyclam) and Cr-NCS bond lengths are 2.085 (5) and 1.996 (15) Å, respectively. In the crystal, the uncoordinating SCN(-) anion is hydrogen bonded through N-H⋯S and N-H⋯N inter-actions to neighbouring complex cations.

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