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Synthesis, crystal structure and thermal properties of bis-(1,3-di-cyclo-hexyl-thio-urea-κS)bis(iso-thiocyanato-κN)cobalt(II).

ABSTRACT: Crystals of the title compound, [Co(NCS)2(C13H24N2S)2], were obtained by the reaction of Co(NCS)2 with 1,3-di-cyclo-hexyl-thio-urea in ethanol. Its crystal structure consists of discrete complexes that are located on twofold rotation axes, in which the CoII cations are tetra-hedrally coordinated by two terminal N-bonded thio-cyanate anions and two 1,3-di-cyclo-hexyl-thio-urea ligands. These complexes are linked via inter-molecular N-H⋯S and C-H⋯S hydrogen bonding into chains, which elongate in the b-axis direction. These chains are closely packed in a pseudo-hexa-gonal manner. The CN stretching vibration of the thio-cyanate anions located at 2038 cm-1 is in agreement with only terminal bonded anionic ligands linked to metal cations in a tetra-hedral coordination. TG-DTA measurements prove the decomposition of the compound at about 227°C. DSC measurements reveal a small endothermic signal before decomposition at about 174°C, which might correspond to melting.

SUBMITTER: Krebs C 

PROVIDER: S-EPMC8739206 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Synthesis, crystal structure and thermal properties of bis-(1,3-di-cyclo-hexyl-thio-urea-κ<i>S</i>)bis(iso-thiocyanato-κ<i>N</i>)cobalt(II).

Krebs Christoph C   Jess Inke I   Näther Christian C  

Acta crystallographica. Section E, Crystallographic communications 20220101 Pt 1

Crystals of the title compound, [Co(NCS)<sub>2</sub>(C<sub>13</sub>H<sub>24</sub>N<sub>2</sub>S)<sub>2</sub>], were obtained by the reaction of Co(NCS)<sub>2</sub> with 1,3-di-cyclo-hexyl-thio-urea in ethanol. Its crystal structure consists of discrete complexes that are located on twofold rotation axes, in which the Co<sup>II</sup> cations are tetra-hedrally coordinated by two terminal N-bonded thio-cyanate anions and two 1,3-di-cyclo-hexyl-thio-urea ligands. These complexes are linked <i>via</  ...[more]

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