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The synthetic cobalt vanadium selenite, Co?V?Se?O??.


ABSTRACT: The crystal structure of dicobalt(II) divanadium(V) disel-enium(IV) undeca-oxide, Co?V?Se?O??, exhibits a three-dimensional framework, the building units being distorted CoO? octa-hedra and VO? square pyramids arranged so as to form alternate chains along [010]. The framework has channels along [100] and [010] in which the two ?-SeO?E (site symmetries m; E being the 4s² lone electron pair of Se(IV)) tetra-hedra reside and connect to the other building blocks. The structure contains corner- and edge-sharing CoO? octa-hedra, corner- and edge-sharing VO? square pyramids and edge-sharing ?-SeO?E tetra-hedra. Co?V?Se?O?? is the first oxide containing all the cations Co(II), V(V) and Se(IV).

SUBMITTER: Rabbani F 

PROVIDER: S-EPMC3393144 | BioStudies | 2012-01-01

REPOSITORIES: biostudies

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