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The FT-IR and FT-Raman spectra of complexes (C5H5)2TiC12( Ⅰ ), (C5H4Me)2TiCl2( Ⅱ )and (C5HMe4)2TiCl2( Ⅲ ) have been obtained and discussed. The FT-Raman spectral data provide some new vibrational information about complexes ( Ⅰ ), ( Ⅱ ) and ( Ⅲ ). The assignmentsof cyclopentadienyl vibrational modes and skeletal vibrational modes have been made.