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Confirmation of SF3+ Vibrational Assignments by Raman Spectroscopic Polarization Measurements in HF Solution

Volume 26, Number 1 (Feb. 1972) Page 77-80

Brownstein, Morley; Shamir, Jacob


The vibrational assignments of the trifluorosulfur(IV) cation (SF3+), previously determined from spectra of solids, are confirmed by polarization measurements on solutions of SF3+BF4, SF3+PF6, and SF3+ AsF6 in anhydrous HF. Techniques and equipment have been developed to obtain Raman spectra of species dissolved in anhydrous hydrogen fluoride. Accurate polarization information can be obtained even though the FEP fluorocarbon plastic used as a container-and window material is optically active.