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Crystal structures of (aceto-nitrile-?N)tris-(pyridine-4-thio-amide-?N)bis-(thio-cyanate-?N)cobalt(II) aceto-nitrile disolvate and tetra-kis-(pyridine-4-thio-amide-?N)bis-(thio-cyanate-?N)nickel(II) methanol penta-solvate.


ABSTRACT: Reaction of Co(NCS)2 or Ni(NCS)2 with pyridine-4-thio-amide in different solvents led to the formation of two compounds with composition [Co(NCS)2(C2H3N)(C6H6N2S)3]·2CH3CN (1) and [Ni(NCS)2(C6H6N2S)4]·5CH3OH (2), respectively. The asymmetric unit of compound 1 consists of one cobalt(II) cation, two thio-cyanate anions, three pyridine-4-thio-amide ligands, one coordinating and two solvate aceto-nitrile mol-ecules. One of the two aceto-nitrile solvate mol-ecules is disordered over two sets of sites in a 0.62:0.38 ratio. The asymmetric unit of compound 2 comprises of one nickel(II) cation, two thio-cyanate anions, four N-bonding pyridine-4-thio-amide ligands and five methanol solvate mol-ecules. In compound 1, the cobalt(II) cations are octa-hedrally coordinated into discrete complexes by two terminal N-bonding thio-cyanate anions, the N atoms of three pyridine-4-thio-amide ligands and one aceto-nitrile mol-ecule. Additional aceto-nitrile solvate mol-ecules are located between the complexes,. The complexes and solvate mol-ecules are linked via inter-molecular hydrogen bonding into a three-dimensional framework. In compound 2, the nickel(II) cations are likewise octa-hedrally coordinated by two terminal N-bonded thio-cyanate anions and four N-bonding pyridine-4-thio-amide ligands into discrete complexes. From their arrangement cavities are formed, in which the methanol solvate mol-ecules are located. Again, the complexes and solvate mol-ecules are linked into a three-dimensional framework by inter-molecular hydrogen bonding.

SUBMITTER: Neumann T 

PROVIDER: S-EPMC6038621 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Crystal structures of (aceto-nitrile-κ<i>N</i>)tris-(pyridine-4-thio-amide-κ<i>N</i>)bis-(thio-cyanate-κ<i>N</i>)cobalt(II) aceto-nitrile disolvate and tetra-kis-(pyridine-4-thio-amide-κ<i>N</i>)bis-(thio-cyanate-κ<i>N</i>)nickel(II) methanol penta-solvate.

Neumann Tristan T   Jess Inke I   Näther Christian C  

Acta crystallographica. Section E, Crystallographic communications 20180612 Pt 7


Reaction of Co(NCS)<sub>2</sub> or Ni(NCS)<sub>2</sub> with pyridine-4-thio-amide in different solvents led to the formation of two compounds with composition [Co(NCS)<sub>2</sub>(C<sub>2</sub>H<sub>3</sub>N)(C<sub>6</sub>H<sub>6</sub>N<sub>2</sub>S)<sub>3</sub>]·2CH<sub>3</sub>CN (<b>1</b>) and [Ni(NCS)<sub>2</sub>(C<sub>6</sub>H<sub>6</sub>N<sub>2</sub>S)<sub>4</sub>]·5CH<sub>3</sub>OH (<b>2</b>), respectively. The asymmetric unit of compound <b>1</b> consists of one cobalt(II) cation, two thi  ...[more]

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