Efficient bond function basis set for pi-pi interaction energies.

Yun Ding Ye Mei John Z. H. Zhang Fu-Ming Tao Efficient bond function basis set for pi-pi interaction energies. 275-279 2008 29 Journal of Computational Chemistry 2 http://dx.doi.org/10.1002/jcc.20788 db/journals/jcc/jcc29.html#DingMZT08