Sequential bond energies of Ti(CO)(x)(+), x=1-7

被引:41
作者
Meyer, F [1 ]
Armentrout, PB [1 ]
机构
[1] UNIV UTAH,DEPT CHEM,SALT LAKE CITY,UT 84112
关键词
D O I
10.1080/00268979650026686
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The sequential bond energies of Ti(CO)(x)(+), x = 1-7, are determined by collision induced dissociation with xenon in a guided ion beam tandem mass spectrometer. Values (in eV) for the (CO)(x-1) Ti+-CO bond energies at 0 K are found to be 1.22 +/- 0.006, 1.17 +/- 0 04, 1.04 +/- 0.04, 0.90 +/- 0.05, 0.72 +/- 0.04, 0.77 +/- 0 03 and 0.54 +/- 0.07 for x = 1-7, respectively. Although the bond energy of the Ti(CO)(7)(+) 17-electron complex is weak, it is stronger than would be expected for a ligand in the second ligand shell. The trends in the sequential bond energies are discussed in terms of spin conservation and ligand field theory and are compared with the corresponding variations in the V(CO)(x)(+) and Cr(CO)(x)(+) systems.
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收藏
页码:187 / 197
页数:11
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