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Relativistic effects and the halogen dependencies in the 13C chemical shifts of CH4−nIn, CH4−nBrn, CCl4−nIn, and CBr4−nIn (n=0–4)

✍ Scribed by Shuhei Fukawa; Masahiko Hada; Ryoichi Fukuda; Shinji Tanaka; Hiroshi Nakatsuji

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
187 KB
Volume
22
Category
Article
ISSN
0192-8651

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type nonbonding orbitals on heavy halogen or related substituents are largely responsible for significantly shielding spin᎐orbit-induced Ž . heavy-atom effects on nuclear magnetic resonance NMR chemical shifts of the neighboring atoms. This suggestion has been examined and confirmed by Ž . 13 densi