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Some reduced ternary and quaternary oxides of molybdenum containing strong metal-metal bonds. [Molybdates of ScZn, LiZn, Zn, Ba, and Na]

Technical Report ·
DOI:https://doi.org/10.2172/5226176· OSTI ID:5226176
ScZnMo/sub 3/O/sub 8/, LiZn/sub 2/Mo/sub 3/O/sub 8/, and Zn/sub 3/Mo/sub 3/O/sub 8/ were synthesized and crystal structures were determined for the latter two. These oxides contain the same type of triangular molybdenum atom clusters found in Zn/sub 2/Mo/sub 3/O/sub 8/, but each of the trimeric clusters has available one or two additional electrons for participation in metal-metal bonding. Another new ternary oxide containing discrete metal atom clusters is Ba/sub 1/ /sub 14/Mo/sub 8/O/sub 16/. The structure of this compound consists of molybdenum-oxide cluster chains extended parallel with the c axis. The new compound NaMo/sub 4/O/sub 6/ contains infinite chains which are comprised of Mo/sub 6/O/sub 12/ clusters fused at opposite edges by removal of two edge-bridging oxygen atoms, and sharing of the metal and remaining oxygen atoms between cluster units. Another new compound, whose structure is closely related to that of NaMo/sub 4/O/sub 6/, is Ba/sub 0/ /sub 62/Mo/sub 4/O/sub 6/. This material also exhibits a sperlattice ordering of barium ions within the channels. Other compounds that have been prepared and also characterized are K/sub 2+x/Mo/sub 12/O/sub 19/, Na/sub 2+x/Mo/sub 12/O/sub 19/, and CaMo/sub 5/O/sub 8/.
Research Organization:
Ames Lab., IA (USA)
DOE Contract Number:
W-7405-ENG-82
OSTI ID:
5226176
Report Number(s):
IS-T-960; ON: DE82005455
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360602 -- Other Materials-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CALCIUM COMPOUNDS
CHEMICAL PREPARATION
COHERENT SCATTERING
CRYSTAL STRUCTURE
DIFFRACTION
LITHIUM COMPOUNDS
MOLYBDATES
MOLYBDENUM COMPOUNDS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
SCANDIUM COMPOUNDS
SCATTERING
SODIUM COMPOUNDS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
ZINC COMPOUNDS