Ab initio and DFT calculations for the structure and vibrational spectra of cyclopentene and its isotopomers |
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| Authors: | Abdulaziz A Al-Saadi Jaan Laane |
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| Institution: | aDepartment of Chemistry, Texas A&M University, College Station, TX 77843-3255, USA |
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| Abstract: | Ab initio calculations using the MP2/cc-pVTZ basis set do an excellent job of predicting the inversion barrier (247 vs. 232 cm?1) and dihedral angle (26°) of cyclopentene. DFT calculations also do an excellent job of predicting the vibrational frequencies of the d0, d1, d4, and d8 isotopomers. They have also allowed the reassignments of several of the vibrational frequencies. |
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| Keywords: | Cyclopentene Vibrational spectra Structure Ab initio calculations DFT calculations |
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