Molecular structure of crystalline complex SbCl5 • Py was determined for the first time and the structure of the complex SbCl5 • AN was refined by means of single crystal X-ray diffraction analysis. It is shown that donor-acceptor Sb–N bond lengths for these complexes are equal within the experimental error. Quantum chemical calculations of the complexes in the gas phase reveal that the energies of the donor-acceptor bond Sb–N are 88 and 180 kJ mol−1 for SbCl5 • AN and SbCl5 • Py, respectively. It is established that the length of the donor-acceptor bond Sb–N in the crystal cannot serve as a measure of its strength.
|Journal||Russian Chemical Bulletin|
|Publication status||Published - 2020|
Scopus subject areas
Davydova, E. I., Virovets, A. V., Peresypkina, E. V., Kazakov, I. V., & Timoshkin, A. Y. (2020). Structures of molecular complexes of SbCl5 with pyridine and acetonitrile: equal bond lengths, different stability. Russian Chemical Bulletin, 69(1), 84-90.