Accession Number : AD0824654

Title :   LOW-FREQUENCY INFRARED STUDIES OF SOME TIN (IV) HALIDE ADDUCTS.

Descriptive Note : Final rept. 1 Jun-31 Dec 66,

Corporate Author : CINCINNATI UNIV OH

Personal Author(s) : Farona, Michael F. ; Grasselli, Jeanette G.

Report Date : OCT 1967

Pagination or Media Count : 21

Abstract : The infrared spectra of the complexes SnCl4.2L (L = CH3CN, CH2CHCN, C6H5CN), SnBr4.2CH3CN, SnX4.dipy (X = Cl, Br, 1) and SnX4.2DMF (X = Cl, Br) were investigated in the 500-140/cm region. The SnN stretching frequencies for the SnCl4.2 nitrile and SnX4.dipy adducts were observed below the CsBr region. The SnCl stretching frequencies of all adducts occur in the 275-370/cm region, whereas those of SnBr are located in the 195-250/cm region. The assignments made in this investigation reverse those made recently by other workers for the SnCl and SnN stretching frequencies for the nitrile adducts and the SnCl and ligand vibrations for the DMF derivatives. Some special features of the spectra of SnCl4.2CH2CHCN in the NaCl region, particularly the observed crossover of the vinyl twist and wag frequencies, are discussed. (Author)

Descriptors :   *INFRARED SPECTROSCOPY), (*TIN COMPOUNDS, COMPLEX COMPOUNDS), (*COMPLEX COMPOUNDS, CHLORIDES, NITRILES, PYRIDINES, BROMIDES, IODIDES, FORMAMIDES, CHEMICAL BONDS, BAND SPECTRA, ABSORPTION SPECTRA.

Subject Categories : Inorganic Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE