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HeI photoelectron spectroscopic (PES) studies of the electronic structure of Al(CH3)3, In(C2H5)3 and Cd(CH3)2 compounds

✍ Scribed by Dianxun Wang; Sheng Li; Ying Li; Shijun Zheng; Benming Chen; Chuanfan Ding; Yiqin Gao

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 251 KB
Volume: 260
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(96)00812-3

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✦ Synopsis

HeI photoelectron spectra (PES) of AI(CH3) 3, In(C2Hs) 3 and Cd(CH3) 2 compounds are recorded. The assignment of the PES bands is made on the basis of bandshape and ab initio SCF MO calculations using the 3-21G basis sets. Both PES experiment and theoretical calculation show that the characters of the HOMO [5e' for AI(CH3) 3, 12e' for In(C2Hs) 3 and 3a2, for Cd(CH3)2] are mostly metal-carbon antibonding. The bond orders between the metal and carbon atoms for Cd(CH3)2, AI(CHa) 3 and In(C2Hs) 3 are 0.9251, 0.7166 and 0.6957 respectively. The strength of metal-carbon bonding is Cd(CH3) 2 > AI(CH3) 3 > In(C2Hs) 3.

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