Raman and IR spectra of matrix isolated OsO 3 F 2  AND OsO 4 : The molecular shape of monomeric OsO 3 F 2 | Zendy

Beattle I. R. | Zendy; Blayden H. E. | Zendy; Crocombe R. A. | Zendy; Jones P. J. | Zendy; Ogden J. S. | Zendy

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Raman and IR spectra of matrix isolated OsO 3 F 2 AND OsO 4 : The molecular shape of monomeric OsO 3 F 2

Author(s) -

Beattle I. R.,

Blayden H. E.,

Crocombe R. A.,

Jones P. J.,

Ogden J. S.

Publication year - 1976

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250040313

Subject(s) - raman spectroscopy , argon , matrix (chemical analysis) , spectral line , analytical chemistry (journal) , chemistry , infrared spectroscopy , crystallography , monomer , matrix isolation , physics , polymer , optics , organic chemistry , chromatography , astronomy

This paper reports fundamental vibration frequencies for molecular OsO 3 F 2 and OsO 4 isolated in argon matrices at low temperatures. OsO 3 F 2 is shown to have D 3 h symmetry on the basis of Raman and IR selection rules, and this conclusion is confirmed by the results of 18 O enrichment studies which demonstrate the presence of an OsO 3 unit containing three equivalent oxygens. The argon matrix frequencies are 946.5 ( A ′ 1 ), 928.5 ( E ′), 646 ( A ′ 2 ), 619 ( A ′/ 1 ) 348 ( E ″), 316.5 ( E ′) 258 ( A ″ 2 ) and 206 ( E ′) cm −1 . High resolution spectra are also reported for matrix isolated Os 16 O 4 (ν 1 963, ν 2 332, ν 3 956, and ν 4 327 cm −1 ) and for 18 O enriched OsO 4 species.

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