Woo H K, Wang P, Lau K-C, Xing X, Ng C Y
Department of Chemistry, University of California at Davis, Davis, California 95616, USA.
J Chem Phys. 2004 May 22;120(20):9561-70. doi: 10.1063/1.1718276.
The vacuum-ultraviolet (VUV) pulsed-field ionization-photoelectron (VUV-PFI-PE) spectra of trans-1-bromopropene (trans-CH(3)CH[Double Bond]CHBr) and cis-1-bromopropene (cis-CH(3)CH[Double Bond]CHBr) have been measured in the energy region of 74 720-76 840 cm(-1). The simulation of fine structures observed in the origin VUV-PFI-PE vibrational bands of these molecules has provided the ionization energies (IEs) of trans-1-bromopropene and cis-1-bromopropene to be 74 779.3+/-2.0 cm(-1) (9.2715+/-0.0002 eV) and 75 140.2+/-2.0 cm(-1) (9.3162+/-0.0002 eV), respectively. The vibrational bands resolved in these VUV-PFI-PE spectra at energies 0-1700 cm(-1) above the IEs of trans-1-bromopropene and cis-1-bromopropene have been assigned based on theoretical vibrational frequencies and calculated Franck-Condon factors for the ionization transitions.
在74720 - 76840 cm⁻¹能量区域测量了反式-1-溴丙烯（反式-CH₃CH=CHBr）和顺式-1-溴丙烯（顺式-CH₃CH=CHBr）的真空紫外（VUV）脉冲场电离光电子（VUV-PFI-PE）光谱。对这些分子的起始VUV-PFI-PE振动带中观察到的精细结构进行模拟，得出反式-1-溴丙烯和顺式-1-溴丙烯的电离能（IEs）分别为74779.3±2.0 cm⁻¹（9.2715±0.0002 eV）和75140.2±2.0 cm⁻¹（9.3162±0.
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