CHIRAL RECOGNITION AMONG TRIS(DIIMINE)-METAL COMPLEXES .4. ATOMISTIC COMPUTER MODELING OF A MONOLAYER OF [RU(BPY)(3)](2+) INTERCALATED INTO A SMECTITE CLAY

被引:39
作者
BREU, J [1 ]
CATLOW, CRA [1 ]
机构
[1] UCL ROYAL INST GREAT BRITAIN, DAVY FARADAY RES LAB, LONDON W1X 4BS, ENGLAND
关键词
D O I
10.1021/ic00121a032
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Lattice energy minimization techniques have been used to study the 2D-molecular organization of a monolayer of [Ru(bpy)(3)](2+) confined between two clay layers with respect to the stereochemistry of the guest complexes. The simulation results show the importance of both host-guest and guest-guest interactions in determining the structure of the interlamellar space, In the two structures with the lowest energy there is a perfect fit between guest shape acid corrugation of the clay surfaces, while the lateral interactions between complex cations are favorable, The lattice energy minimum is observed with different 2D-arrangements of complex cations for an enantiomeric and a racemic monolayer. On the basis of this result the reported effect of chirality on the adsorption capacity can be rationalized.
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页码:4504 / 4510
页数:7
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