title: Tris[2-(2-pyridylsulfan-yl)eth-yl]ammonium perchlorate.
abstract: In the title molecular salt, C(21)H(25)N(4)S(3) (+)·ClO(4) (-), an intra-molecular N-H⋯N hydrogen bond stabilizes the conformation of the cation. The three N-C-C-S torsion angles are 91.7 (2), 100.9 (2) and 167.02 (14)°.
authors.affiliation: Institute of Marine Materials Science and Engineering, Shanghai Maritime University, Shanghai 201306, People's Republic of China.
authors.forename: Yan
authors.initials: Y
authors.lastname: An
authors.forename: Xiao-Feng
authors.initials: XF
authors.lastname: Li
authors.forename: Hui-Guo
authors.initials: HG
authors.lastname: Chen
authors.forename: Li-Hua
authors.initials: LH
authors.lastname: Dong