Isolation and crystal structure of two novel oxo-persulphido amidrazone tungstate complexes, WO(S2)2{RC(NH)NHNH} (R = CH3, CH3CH2)》.pdfVIP

Isolation and crystal structure of two novel oxo-persulphido amidrazone tungstate complexes, WO(S2)2{RC(NH)NHNH} (R = CH3, CH3CH2)》.pdf

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Isolation and crystal structure of two novel oxo-persulphido amidrazone tungstate complexes, WO(S2)2{RC(NH)NHNH} (R = CH3, CH3CH2)》.pdf

Polyhedron Vol. 13, No. 2, pp. 301-306, 1994 Copyright 0 1994 Elswier Science Lfd Pergamon Printed in Great Britain. All rights reserved 0277-5387/94 S6.IM+O.O0 ISOLATION AND CRYSTAL STRUCTURE OF TWO NOVEL 0X0-PERSULPHIDO AMIDRAZONE TUNGSTATE COMPLEXES, WO(S,),(RC(=NH)NHNH} (R = CH3, CH,CH,) SHAOWU DU, NIANYONG ZHU and XINTAO WU* State Key Laboratory of Structural Chemistry, Fujian Institute of Research on Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China (Received 2 June 1993; accepted 30 July 1993) Abstract-A new method for preparing amidrazone is described. The amidrazone oxo- persulphido complexes were obtained from the new reaction system of WS42-/P2S5/H2NNH2 - 2HCl with CHN or CH3CH2CN in air at ambient temperature. In the two complexes WO(S2)2{CH3C(=NH)NHNH} (I) and WO(S2)2(CH3CH2C(=NH) NHNH} (II), the coordination polyhedron of tungsten is pentagonal bipyramidal, where the two axial ligands are the terminal 0x0 atom a

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