Synthesis, crystal structure, and structural conversion of Ni molybdate hydrate NiMoO{sub 4}.nH{sub 2}O
- Department of Chemistry, Graduate School of Science, Kobe University, Nada-ku, Kobe 657-8501 (Japan)
- Institute for Materials Research, State University of New York at Binghamton, Binghamton, NY 13902-6000 (United States)
The synthesis and crystal structure of NiMoO{sub 4}.nH{sub 2}O were investigated. The hydrate crystallized in the triclinic system with space group P-1, Z=4 with unit cell parameters of a=6.7791(2) A, b=6.8900(2) A, c=9.2486(2) A, {alpha}=76.681(2){sup o}, {beta}=83.960(2){sup o}, {gamma}=74.218(2){sup o}. Its ideal chemical composition was NiMoO{sub 4}.3/4H{sub 2}O rather than NiMoO{sub 4}.1H{sub 2}O. Under hydrothermal conditions the hydrate turned directly into {alpha}-NiMoO{sub 4} above 483 K, giving nanorods thinner than the crystallites of the mother hydrate. On the other hand, it turned into Anderson type of polyoxomolybdate via a solid-solution process in a molybdate solution at room temperature. - Graphical abstract: NiMoO{sub 4}.nH{sub 2}O crystallized in the triclinic system with space group P-1, and its ideal chemical composition was NiMoO{sub 4}.3/4H{sub 2}O rather than NiMoO{sub 4}.1H{sub 2}O.
- OSTI ID:
- 21421519
- Journal Information:
- Journal of Solid State Chemistry, Vol. 183, Issue 6; Other Information: DOI: 10.1016/j.jssc.2010.04.009; PII: S0022-4596(10)00142-8; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CHEMICAL COMPOSITION
HYDRATES
HYDROTHERMAL SYNTHESIS
MOLYBDATES
NANOSTRUCTURES
SOLID SOLUTIONS
SPACE GROUPS
TEMPERATURE RANGE 0273-0400 K
TEMPERATURE RANGE 0400-1000 K
TRICLINIC LATTICES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DISPERSIONS
HOMOGENEOUS MIXTURES
MIXTURES
MOLYBDENUM COMPOUNDS
OXYGEN COMPOUNDS
REFRACTORY METAL COMPOUNDS
SOLUTIONS
SYMMETRY GROUPS
SYNTHESIS
TEMPERATURE RANGE
TRANSITION ELEMENT COMPOUNDS