title: 2,5-Diphenyl-2,5,6,8-tetra-hydro-1,2,4-triazolo[3,4-c][1,4]oxazin-4-ium hexa-fluorido-phosphate.
abstract: The title compound, C(17)H(16)N(3)O(+)·PF(6) (-), is a chiral bicyclic 1,2,4-triazolium salt. In the crystal packing, C-H⋯O and C-H⋯F hydrogen bonds and P-F⋯π contacts [4.078 (11)-4.163 (11) Å, involving the triazolium ring] play an important role in enhancing the stability of the crystal structure.
authors.affiliation: Key Laboratory of Green Chemistry and Technology of the Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, People's Republic of China.
authors.forename: Jie
authors.initials: J
authors.lastname: Wu
authors.forename: Siping
authors.initials: S
authors.lastname: Wei
authors.forename: Bo
authors.initials: B
authors.lastname: Liu
authors.forename: Wenhai
authors.initials: W
authors.lastname: Wang
authors.forename: Jingbo
authors.initials: J
authors.lastname: Lan