o,o′-Alkylene dithiophosphato complexes of vanadium(IV) and vanadium(V) |
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Authors: | Chander Romesh Kalsotra Bansi L Pandey Sushil K |
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Institution: | (1) Department of Chemistry, University of Jammu, Baba Saheb Ambedkar Road, Jammus, 180 006 (J&K), India |
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Abstract: | Reactions of VO(acac)2 with alkylene dithiophosphoric acids, POGOS2H, and of VOCl3 with the ammonium salts NH4(POGOS2) in 1:2 molar ratio gave the oxovanadium(IV) alkylene dithiophosphates, VO(POGOS2)2], and monochloroxovanadium(V) alkylene dithiophosphates, VOCl(POGOS2)2], respectively, where G = —CH2CMe2-CH2—, —CH2CEt2CH2—, —CHMeCH2CMe2— or —CMe2CMe2—. These complexes are green solids, soluble in common organic solvents and sensitive to moisture. They were characterized by elemental analysis, molecular weight and spectral studies including i.r. and n.m.r. (1H, 13C and 31P), which suggested bidentate bonding of the POGOS2 ligands to give a square pyramidal for the VIV complexes and an octahedral geometry for the VV complexes. |
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