Bound states of positron with urea and acetone molecules using configuration interaction ab initio molecular orbital approach

Tachikawa, M., Buenker, R. J., & Kimura, M. (2003). Bound states of positron with urea and acetone molecules using configuration interaction ab initio molecular orbital approach. Journal of Chemical Physics, 119(10), 5005–5009. https://doi.org/10.1063/1.1597671