Bateman Christopher M, Zakharov Lev N, Abbey Eric R
Dept. of Chemistry, Biochemistry, and Physics, Eastern Washington University, Cheney, WA 99004, USA.
Department of Chemistry and Biochemistry, CAMCOR, University of Oregon, Eugene, OR 97403, USA.
Acta Crystallogr E Crystallogr Commun. 2017 Jul 7;73(Pt 8):1140-1142. doi: 10.1107/S2056989017009884. eCollection 2017 Jul 1.
The title compound, CHBFP {alternative name: triphen-yl[(tri-fluoro-boran-yl)meth-yl]phosphanium}, was formed by the reaction of tri-phenyl-phosphine with potassium iodo-methyl-tri-fluoro-borate. The mol-ecule features a nearly staggered conformation along the P-C bond and a less than staggered conformation along the C-B bond. In the crystal, weak C-H⋯F hydrogen bonds between the -phenyl C-H groups and the tri-fluoro-borate B-F groups form chains of (16) rings along [100]. These chains are are further stabilized by weak C-H⋯π inter-actions. A weak intra-molecular C-H⋯F hydrogen bond is also observed.
标题化合物CHBFP（别名：三苯基[(三氟硼烷基)甲基]鏻）由三苯基膦与碘甲基三氟硼酸钾反应形成。分子沿P-C键呈现近乎交错的构象，沿C-B键呈现小于交错的构象。在晶体中，苯基C-H基团与三氟硼酸盐B-F基团之间的弱C-H⋯F氢键沿[100]形成(16)环的链。这些链通过弱C-H⋯π相互作用进一步稳定。还观察到一个弱的分子内C-H⋯F氢键。
