Crystal structure of cobalt molybdate hydrate CoMoO4·nH2O |
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Authors: | Kazuo Eda Yuichi Uno Noriyuki Sotani |
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Affiliation: | a Faculty of Science, Department of Chemistry, Kobe University, Nada-ku, Kobe 657-8501, Japan b Institute for Materials Research, State University of New York at Binghamton, Binghamton, NY 13902-6000, USA |
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Abstract: | We have determined the crystal structure of the title compound, which has a triclinic cell with cell parameters of , , , α=76.617°, β=84.188°, γ=74.510° and space group . The crystal structure suggests the chemical formula CoMoO4·3/4H2O. The structure consists of MoO4 tetrahedra and CoO6 octahedra, confirming the earlier X-ray absorption near-edge spectroscopic (XANES) investigation on the hydrate. The comparison of the crystal structures of the hydrate and the α-,β-, and hp-phases shows that the hydrate exhibits metal cation coordinations similar to those of the β-phase, but had arrangements of CoO6 and MoOn polyhedra similar to those of the hp-phase. |
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Keywords: | Crystal structure Cobalt molybdate Oxide hydrate CoMoO4· nH2O |
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