Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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List of Scaled Vibrational Frequencies for CH₂ClCHCHCH₃ (2-Butene, 1-chloro-) ¹A^' C_s

MP2=FULL/6-311+G(3df,2pd)