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Title: Metal clusters and extended metal-metal bonding in metal oxide systems

Abstract

The results of recent investigations of the synthesis and structures of ternary and quaternary molybdenum oxide compounds having metal-metal bonded cluster units or infinite chains are presented. In all cases the average oxidation state of molybdenum is less than 4+, the lowest state previously known in structurally characterized oxide phases. New compounds containing discrete clusters are LiZn/sub 2/Mo/sub 3/O/sub 8/ and Zn/sub 3/Mo/sub 3/O/sub 8/, with triangular units, and Ba/sub 1/ /sub 14/Mo/sub 8/O/sub 16/ with two variants of rhomboidal tetranuclear units, one having regular and the other distorted rhomboidal geometry. Infinite metal-metal bonded chains consisting of Mo/sub 6/ octahedral cluster units fused on opposite edges are found in the new compounds NaMo/sub 4/O/sub 6/, Ba/sub 5/(Mo/sub 4/O/sub 6/)/sub 8/, Sc/sub 0/ /sub 75/Zn/sub 1/ /sub 25/Mo/sub 4/O/sub 7/, Ti/sub 0/ /sub 5/Zn/sub 1/ /sub 5/Mo/sub 4/O/sub 7/. the effects of the differing metal-based electron counts in the repeat units of the infinite chains among these compounds are discussed with reference to metal-metal bond order and structural variations within the units. 7 figures, 4 tables.

Authors:
Publication Date:
Research Org.:
Ames Lab., IA (USA)
OSTI Identifier:
6594037
Report Number(s):
IS-M-388; CONF-8205114-2
ON: DE83003793
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Conference
Resource Relation:
Conference: American Chemical Society symposium on inorganic chemistry, Bloomington, IN, USA, 16 May 1982
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; BARIUM COMPOUNDS; STRUCTURAL CHEMICAL ANALYSIS; SYNTHESIS; LITHIUM COMPOUNDS; MOLYBDENUM COMPLEXES; OXIDES; SCANDIUM COMPOUNDS; SODIUM COMPOUNDS; TITANIUM COMPOUNDS; BOND LENGTHS; EXPERIMENTAL DATA; ZINC COMPOUNDS; ALKALI METAL COMPOUNDS; ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; COMPLEXES; DATA; DIMENSIONS; INFORMATION; LENGTH; NUMERICAL DATA; OXYGEN COMPOUNDS; TRANSITION ELEMENT COMPLEXES; TRANSITION ELEMENT COMPOUNDS; 400201* - Chemical & Physicochemical Properties

Citation Formats

McCarley, R E. Metal clusters and extended metal-metal bonding in metal oxide systems. United States: N. p., 1982. Web.
McCarley, R E. Metal clusters and extended metal-metal bonding in metal oxide systems. United States.
McCarley, R E. Fri . "Metal clusters and extended metal-metal bonding in metal oxide systems". United States.
@article{osti_6594037,
title = {Metal clusters and extended metal-metal bonding in metal oxide systems},
author = {McCarley, R E},
abstractNote = {The results of recent investigations of the synthesis and structures of ternary and quaternary molybdenum oxide compounds having metal-metal bonded cluster units or infinite chains are presented. In all cases the average oxidation state of molybdenum is less than 4+, the lowest state previously known in structurally characterized oxide phases. New compounds containing discrete clusters are LiZn/sub 2/Mo/sub 3/O/sub 8/ and Zn/sub 3/Mo/sub 3/O/sub 8/, with triangular units, and Ba/sub 1/ /sub 14/Mo/sub 8/O/sub 16/ with two variants of rhomboidal tetranuclear units, one having regular and the other distorted rhomboidal geometry. Infinite metal-metal bonded chains consisting of Mo/sub 6/ octahedral cluster units fused on opposite edges are found in the new compounds NaMo/sub 4/O/sub 6/, Ba/sub 5/(Mo/sub 4/O/sub 6/)/sub 8/, Sc/sub 0/ /sub 75/Zn/sub 1/ /sub 25/Mo/sub 4/O/sub 7/, Ti/sub 0/ /sub 5/Zn/sub 1/ /sub 5/Mo/sub 4/O/sub 7/. the effects of the differing metal-based electron counts in the repeat units of the infinite chains among these compounds are discussed with reference to metal-metal bond order and structural variations within the units. 7 figures, 4 tables.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1982},
month = {1}
}

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