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Raman spectra of the liquid phosphines P(CH 3 ) 3 , P(CH 3 ) 2 Ph, P(CH 3 )Ph 2 , and of PPh 3 as polycristalline powder and in solution have been recorded. Vibrational assignments are given for the phenyl groups and discussed. A normal coordinate analysis of trimethylphosphine has been undertaken which allowed to confirm the assignments of...
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