读到如下句子:“The solutions were maintained close to O°C to minimize decomposition of MnF 6 2- by disproportionation. ”(Helmholz and Russo. Spectra of manganese(IV) hexafluoride ion (MnF;) in environments of 0 h and D 3d symmetry. THE JOURNAL OF CHEMICAL PHYSICS, 1973.) 句子disproportiona ...