Date Published: August 01, 2009
Publisher: International Union of Crystallography
Author(s): Yi-Chang Liu, Chia-Her Lin, Bao-Tsan Ko.
In the title molecule, C25H20N3O2P, the dihedral angle between the mean planes of the benzotriazol ring system and the N-bonded benzene ring is 45.8 (2)°. All but one of the angles at the P atom show slight distortions from an ideal tetrahedral geometry.
For background to the use of 2-(2H-benzotriazol-2H-yl)phenol (BTP-H) derivatives, see: Li et al. (2009 ▶); Tsai et al. (2009 ▶). For related structures, see: Al-Farhan (1992 ▶); Cheng et al. (2007 ▶).