Relativistic effects and the halogen dependencies in the 13C chemical shifts of CH4-nIn, CH4-nBrn, CCl4-nIn, and CBr4-nIn (n=0-4). - Shuhei Fukawa; Masahiko Hada; Ryoichi Fukuda; Shinji Tanaka; Hiroshi Nakatsuji (J. Comput. Chem., 2001)