title: Piperidinium bis-(2-oxidobenzoato-κO,O)borate.
abstract: The asymmetric unit of the title compound, C(5)H(12)N(+)·C(14)H(8)BO(6) (-) or [C(5)H(12)N][BO(4)(C(7)H(4)O)(2)], contains two piperidinium cations and two bis-(salicylato)borate anions. The coordination geometries around the B atoms are distorted tetra-hedral. In the two mol-ecules, the aromatic rings are oriented at dihedral angles of 76.27 (3) and 83.86 (3)°. The rings containing B atoms have twist-boat conformations, while the two cations adopt chair conformations. In the crystal, the component species are linked by N-H⋯O hydrogen bonds. In the crystal structure, intra- and inter-molecular N-H⋯O hydrogen bonds link the mol-ecules.
authors.forename: Zhi-Hua
authors.initials: ZH
authors.lastname: Tang
authors.forename: Chaojun
authors.initials: C
authors.lastname: Huang