19F NMR chemical shielding for metal fluorides MF2 (M = Zn, Cd, Pb), MF3 (M = Al, Ga, In) and SnF4

被引：14

作者：

Cai, SH

Chen, Z ^{[1
]}

Chen, ZW

Wan, HL

机构：

[1] Xiamen Univ, Dept Phys, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 362卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0009-2614(02)01028-X

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 F-19 NMR chemical shieldings of MF2 (M = Zn, Cd, Pb), MF3 (M = Al, Ga, In), and SnF4 were studied by the GIAO-B3LYP method. The aug-cc-pVTZ basis set was used for the inspected fluorine atom, and LanL2DZ for the remaining fluorine atoms. The 3-21G(2d) basis set was utilized for the Al atom, and CRENBL and/or DZVP for the other metal atoms. When appropriate cluster models were employed, the theoretical shieldings agree well with experimental ones. The relativistic and electron correlation effects have greater influence on the calculated results of fluorides containing heavy or transition metal atoms. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：13 / 18

页数：6

共 29 条

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