The syntheses and structures of the complex oxide carbonates Ba11Pd11O20(CO3)2and Ba88Ni87O156(CO3)19)

R. J. Crooks, M. T. Weller

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Abstract

A new palladate analog, BaPdO(CO), of the complex copper oxide carbonate, BaCu(CO)O, has been synthesized by reaction of PdO and BaCOat 810°C. The structure of this phase and the isostructural nickelate have been refined from high resolution powder neutron diffraction data. The structure consists of cagesMOandMOrings (M=Pd,Ni) separated by barium ions and carbonate groups. A section of the structure separating twoMOunits is strongly disordered and has been refined as containing either carbonate groups or isolatedMOsquare planes. The presence and symmetry of the carbonate groups in these structures has been investigated by infrared and Raman spectroscopy.
Original languageEnglish
Pages (from-to)220-227
JournalJournal of Solid State Chemistry
Volume128
Issue number2
DOIs
Publication statusPublished - 1997

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Carbonates
Oxides
carbonates
oxides
synthesis
Neutron powder diffraction
Copper oxides
copper oxides
Barium
barium
neutron diffraction
Raman spectroscopy
Infrared spectroscopy
infrared spectroscopy
Ions
analogs
high resolution
symmetry
ions

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The syntheses and structures of the complex oxide carbonates Ba11Pd11O20(CO3)2and Ba88Ni87O156(CO3)19). / Crooks, R. J.; Weller, M. T.

In: Journal of Solid State Chemistry, Vol. 128, No. 2, 1997, p. 220-227.

Research output: Contribution to journalArticle

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