THE METAL ALKYL BOND-ENERGY OF THE FE(100) HYDROGEN ETHYL SURFACE COMPLEX

被引:19
作者
BURKE, ML
MADIX, RJ
机构
[1] STANFORD UNIV,DEPT CHEM & CHEM ENGN,STANFORD,CA 94305
[2] STANFORD UNIV,DEPT CHEM,STANFORD,CA 94305
关键词
D O I
10.1021/ja00034a002
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A thermochemical cycle has been constructed for the reactions of ethylene on H-presaturated Fe(100); this cycle has been used to accurately determine Fe-C2H5 and Fe-H surface bond energies of 38 +/- 4 and 59.5 +/- 2 kcal/mol, respectively. The Fe-C2H5 bond energy is considerably smaller than that measured in the gas phase. Both values are similar to those expected for mononuclear transition metal complexes, provided that the complex contains a first or second row transition metal and is not sterically crowded.
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页码:2780 / 2783
页数:4
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