K. V. Turcheniuk A. B. Rozhenko (σ<sup>3</sup>, λ<sup>5</sup>)-phosphoranes versus (σ<sup>3</sup><sub>, </sub>λ<sup>3</sup>)-thiaphosphiranes: Quantum chemical investigation of products of phosphaalkene sulfurization. 1023-1028 2012 33 Journal of Computational Chemistry 10 http://dx.doi.org/10.1002/jcc.22932 db/journals/jcc/jcc33.html#TurcheniukR12