Abstract
Double layered vanadium oxide metal coordination complexes, [Ni(bipy)(H2O)V2O6]∞1 and {[Ni(bipy)2]2V6O17}∞2, have been isolated from the same hydrothermal reaction container. X-Ray crystallography shows that 1 consists of unique two-dimensional layers constructed from a vanadium oxide chain {V2O6}2n−n and covalently linked by Ni(bipy)(H2O)2+ subunits. In contrast 2 and the previously reported Zn(bipy)2V6O17 are isomorphic compounds. Only [Co(bipy)(H2O)V2O6]∞, 3, was obtained when cobalt was substituted for nickel in a similar reaction, and X-ray diffraction analysis reveals that the topology of 3 is essentially identical to that of 1. The magnetic behavior of 1 and 2 suggests a dominant single ion effect with only very weak magnetic interactions.
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