The nonasodium salt of the triniobium-substituted polyoxoanion P[sub 2]W[sub 15]Nb[sub 3]O[sub 62][sup 9[minus]]: A water-soluble, readily crystallized form of this Dawson-based soluble metal-oxide organometallics-support system
Journal Article
·
· Inorganic Chemistry; (United States)
- Kanagawa Univ., Hiratsuka, Kanagawa (Japan)
- Colorado State Univ., Ft. Collins, CO (United States)
- Colorado State Univ., Ft. Collins, CO (United States) Univ. of Oregon, Eugene, OR (United States)
The preparation of the Dawson-type heteropolyoxoanion P[sub 2]W[sub 15]Nb[sub 3]O[sub 62[sup 9[minus]]] as its water-soluble sodium salt, Na[sub 9]P[sub 2]W[sub 15]Nb[sub 3]O[sub 62][center dot]23H[sub 2]O, is described. The title compound is obtained on up to a 13-g scale as an analytically pure, homogeneous white solid in 61% yield. It was characterized by a complete elemental analysis, TG/DTA, IR spectroscopy, and multinuclear [sup 31]P and [sup 183]W NMR spectroscopy.
- OSTI ID:
- 7174135
- Journal Information:
- Inorganic Chemistry; (United States), Journal Name: Inorganic Chemistry; (United States) Vol. 33:7; ISSN 0020-1669; ISSN INOCAJ
- Country of Publication:
- United States
- Language:
- English
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Tue Feb 14 23:00:00 EST 1995
· Inorganic Chemistry
·
OSTI ID:75752
Polyoxometalate catalyst precursors. Improved synthesis, H{sup +}-titration procedure, and evidence for {sup 31}P NMR as a highly sensitive support-site indicator for the prototype polyoxoanion-organometallic-support system [(n-C{sub 4}H{sub 9}){sub 4}N]{sub 9}P{sub 2}W{sub 15}Nb{sub 3}O{sub 62}
Journal Article
·
Tue Dec 17 23:00:00 EST 1996
· Inorganic Chemistry
·
OSTI ID:513373
Dawson type heteropolyanions. 1. Multinuclear ( sup 31 P, sup 51 V, sup 183 W) NMR structural investigations of octadeca(molybdotungstovanado)diphosphates. alpha. -1,2,3-(P sub 2 MM prime sub 2 W sub 15 O sub 62 ) sup n minus (M,M prime = Mo, V, W): Syntheses of new related compounds
Journal Article
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Wed Apr 17 00:00:00 EDT 1991
· Inorganic Chemistry; (United States)
·
OSTI ID:5641369
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ABSORPTION SPECTROSCOPY
ANIONS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL ANALYSIS
CHEMICAL PREPARATION
CHEMICAL REACTION YIELD
COMPLEXES
DIFFERENTIAL THERMAL ANALYSIS
GRAVIMETRIC ANALYSIS
HETEROPOLYANIONS
IONS
MAGNETIC RESONANCE
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
NUCLEAR MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
PHOSPHORUS COMPOUNDS
PHOSPHORUS OXIDES
QUANTITATIVE CHEMICAL ANALYSIS
REFRACTORY METAL COMPOUNDS
RESONANCE
SPECTROSCOPY
SYNTHESIS
THERMAL ANALYSIS
THERMAL GRAVIMETRIC ANALYSIS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
YIELDS
400201* -- Chemical & Physicochemical Properties
ABSORPTION SPECTROSCOPY
ANIONS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL ANALYSIS
CHEMICAL PREPARATION
CHEMICAL REACTION YIELD
COMPLEXES
DIFFERENTIAL THERMAL ANALYSIS
GRAVIMETRIC ANALYSIS
HETEROPOLYANIONS
IONS
MAGNETIC RESONANCE
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
NUCLEAR MAGNETIC RESONANCE
OXIDES
OXYGEN COMPOUNDS
PHOSPHORUS COMPOUNDS
PHOSPHORUS OXIDES
QUANTITATIVE CHEMICAL ANALYSIS
REFRACTORY METAL COMPOUNDS
RESONANCE
SPECTROSCOPY
SYNTHESIS
THERMAL ANALYSIS
THERMAL GRAVIMETRIC ANALYSIS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
YIELDS