13C NMR studies and CNDO/II calculations of silatrane compounds Zhu Jin-Chang, Wu Hua-Ju, Li-Chin Chiang, G.J. Martin, Chen Pang-Chin, Wu Guan-Li and Lai Zhu-Gen J. Chim. Phys., 81 (1984) 407-411 Published online: 29 May 2017 DOI: 10.1051/jcp/1984810407