Abstract
Tetraphenylarsonium diisothiocyanatodichlorocobaltate(II) was synthesized by metathetic pathway. It crystallizes in the monoclinic space group C 2/c with unit cell parameters, a = 13.510(4) A, b = 15.873(5) A, c = 22.809(7) A, β = 105.743(6)°, V = 1,618(5) A3 and Z = 4. X-ray crystal structure analysis reveals that the asymmetric unit contains one {(C6H5)4As}+ cation and one half {Co(NCS)2Cl2}2− anion, the latter lying on a crystallographic twofold axis. While each {Co(NCS)2Cl2}2− anion exhibits hydrogen bonding interactions with eight arsonium cations; CH···π interactions between phenyl rings of arsonium cations is restricted to two such centers in the crystal structure. The role of non-covalent interactions in the crystal packing of tetraphenylarsonium diisothiocyanatodichlorocobaltate(II) is discussed.
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