The title compound, C36H30NP2+. HSO4-. CHCl3, consists of discrete ions and
well separated chloroform solvate molecules. The central feature of the st
ructure is O-H . . .O hydrogen bonding between two hydrogensulfate ions rel
ated by a crystallographic inversion centre. The chloroform solvate molecul
e takes part in a well defined C-H . . .O hydrogen bond.