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Incorporation of barium for the synthesis of heterometallic alkoxides: Synthesis and structures of (BaZr sub 2 (O sup i Pr) sub 10 ) sub 2 and Ba l brace Zr sub 2 (O sup i Pr) sub 9 r brace sub 2

Journal Article · · Inorganic Chemistry; (United States)
DOI:https://doi.org/10.1021/ic00015a024· OSTI ID:6109846
; ; ;  [1]
  1. Indiana Univ., Bloomington (United States)
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Barium granules and barium hexamethyldisilzide tetrahydrofuranate are used as reagents for the introduction of barium in the syntheses of heterometallic zirconium isopropoxides. Reaction with 1 or 2 equiv of Zr{sub 2}(O{sup i}Pr){sub 8}(HO{sup i}Pr){sub 2} yields (BaZr{sub 2}(O{sup i}Pr){sub 10}){sub 2} and Ba{l brace}Zr{sub 2}(O{sup i}Pr){sub 9}{r brace}{sub 2}, respectively. The structure of the former has been determined in the solid state by x-ray diffraction studies, and the data are reported. The structure reveals a dimer in which all metal centers are six-coordinate. The compound is also characterized by {sup 1}H and {sup 13}C NMR spectroscopy and elemental analysis. X-ray diffraction data for Ba{l brace}Zr{sub 2}(O{sup i}Pr){sub 9}{r brace} are not acceptably refined but indicate gross skeletal features in which barium is eight-coordinate, surrounded by two Zr{sub 2}(O{sup i}Pr){sub 9}{sup {minus}} fragments. 11 refs., 3 figs., 3 tabs.

OSTI ID:
6109846
Journal Information:
Inorganic Chemistry; (United States), Journal Name: Inorganic Chemistry; (United States) Vol. 30:15; ISSN 0020-1669; ISSN INOCA
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPLEXES
ALKOXIDES
BARIUM COMPLEXES
BARYONS
CARBON 13
CARBON ISOTOPES
CHEMICAL PREPARATION
COMPLEXES
CRYSTAL STRUCTURE
DATA
ELEMENTARY PARTICLES
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
FERMIONS
HADRONS
INFORMATION
ISOTOPES
LIGHT NUCLEI
NMR SPECTRA
NUCLEI
NUCLEONS
NUMERICAL DATA
PRASEODYMIUM COMPLEXES
PROTONS
RARE EARTH COMPLEXES
SOL-GEL PROCESS
SPECTRA
STABLE ISOTOPES
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
ZIRCONIUM COMPLEXES