Lingzhi Qiu, Qiaoyu Zhang, Donghui Wei, Rongqiang Tian * and Zheng Duan Insight into fragmentation of a phosphirane to form phosphinidene complexes: an illustration with the 1-phenylselenylphosphirane W(CO)5 complex. Dalton Trans., 2022, DOI: 10.1039/d1dt04208d.