Tin-119m Mossbauer and X-ray photoelectron (ESCA) studies of tin oxidation state and bonding in base-dialkyltin pentacarbonylchromium and tetracarbonyliron complexes

G. W. Grynkewich, Tobin J Marks, T. J. Marks, D. L. Tomaja, J. J. Zuckerman

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119mSn Mossbauer, 119Sn-1 H three-bond nmr coupling constants, and Sn 3d5/2 ESCA election binding energy data for the compounds (t-C4H9)2SnM(CO)x·B, where for M = Fe, x = 4 and B = DMSO and pyridine and for M = Cr, x = 5 and B = THF, DMSO, and pyridine, favor a tin(IV) formulation. The Mossbauer QS values for M = Cr compounds (3.4-4.1 mm/ sec) are the largest thus far recorded for four-coordinated organotin compounds. Explanations based upon ylide structures are proposed.

Original languageEnglish
Pages (from-to)2522-2525
Number of pages4
JournalInorganic Chemistry
Issue number11
Publication statusPublished - 1973


ASJC Scopus subject areas

  • Inorganic Chemistry

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