Acta Cryst. (2009). E65, m234  [ doi:10.1107/S1600536809002700 ]

trans-{1,8-Bis[(R)--methylbenzyl]-1,3,6,8,10,13-hexaazacyclotetradecane}dithiocyanatonickel(II)

J. W. Shin and K. S. Min

Abstract: The title compound, [Ni(NCS)₂(C₂₄H₃₈N₆)], is a thiocyanate-coordinated azamacrocyclic nickel(II) complex. There are two independent molecules in the asymmetric unit and their bond lengths and angles are similar. Both Ni atoms have a tetragonally distorted octahedral geometry, in which the Ni^II ion is coordinated by the four secondary N atoms of the azamacrocyclic ligand and by two N atoms of the thiocyanate ions. The average equatorial Ni-N bond lengths are shorter than the average axial Ni-N bond lengths [2.071 (1) and 2.115 (2) Å, respectively]. N-HS hydrogen-bonding interactions between a secondary amine N atom and the adjacent thiocyanate ion leads to a polymeric chain along [100].

Online 28 January 2009

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