Remarkable cleavage of molecular hydrogen without the use of metallic catalysts: a theoretical investigation

被引:28
作者
Scott, AP [1 ]
Golding, BT
Radom, L
机构
[1] Australian Natl Univ, Res Sch Chem, Canberra, ACT 0200, Australia
[2] Newcastle Univ, Dept Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
关键词
D O I
10.1039/a806358c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
High level ab initio molecular orbital calculations show that molecular hydrogen can be cleaved by the 1,3-dimethylimidazolidin-2-yl cation in the presence of a base such as NH3 or HCOO- with quite a modest barrier, in a reaction that models the non-metallic hydrogenase from methanogenic archaea.
引用
收藏
页码:1171 / 1173
页数:3
相关论文
共 15 条
[1]   ON THE MECHANISM OF CATALYSIS BY A METAL-FREE HYDROGENASE FROM METHANOGENIC ARCHAEA - ENZYMATIC TRANSFORMATION OF H-2 WITHOUT A METAL AND ITS ANALOGY TO THE CHEMISTRY OF ALKANES IN SUPERACIDIC SOLUTION [J].
BERKESSEL, A ;
THAUER, RK .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1995, 34 (20) :2247-2250
[2]   Geometry-tunable Lewis acidity of amidinium cations and its relevance to redox reactions of the Thauer metal-free hydrogenase: A theoretical study [J].
Cioslowski, J ;
Boche, G .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1997, 36 (1-2) :107-109
[3]  
Frisch M.J., 1995, GAUSSIAN 94 REVISION
[4]  
Hehre W. J., 1986, Ab initio molecular orbital theory
[5]  
KEITH TA, UNPUB
[6]   HYDROGEN ISOTOPE EFFECTS IN THE REACTIONS CATALYZED BY H-2-FORMING N-5,N-10-METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE FROM METHANOGENIC ARCHAEA [J].
KLEIN, AR ;
HARTMANN, GC ;
THAUER, RK .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1995, 233 (01) :372-376
[7]   DETERMINATION OF THE RELATIVE CONFIGURATION OF 5,6,7,8-TETRAHYDROMETHANOPTERIN BY 2-DIMENSIONAL NMR-SPECTROSCOPY [J].
SCHLEUCHER, J ;
SCHWORER, B ;
ZIRNGIBL, C ;
KOCH, U ;
WEBER, W ;
EGERT, E ;
THAUER, RK ;
GRIESINGER, C .
FEBS LETTERS, 1992, 314 (03) :440-444
[8]   H-2-FORMING N-5,N-10-METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE FROM METHANOBACTERIUM-THERMOAUTOTROPHICUM CATALYZES A STEREOSELECTIVE HYDRIDE TRANSFER AS DETERMINED BY 2-DIMENSIONAL NMR-SPECTROSCOPY [J].
SCHLEUCHER, J ;
GRIESINGER, C ;
SCHWORER, B ;
THAUER, RK .
BIOCHEMISTRY, 1994, 33 (13) :3986-3993
[9]   ELUCIDATION OF THE STEREOCHEMICAL COURSE OF CHEMICAL-REACTIONS BY MAGNETIC LABELING [J].
SCHLEUCHER, J ;
SCHWORER, B ;
THAUER, RK ;
GRIESINGER, C .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (10) :2941-2942
[10]   CALCULATION OF PROTON AFFINITIES USING THE G2(MP2,SVP) PROCEDURE [J].
SMITH, BJ ;
RADOM, L .
JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (17) :6468-6471