5-{40-[(5-Benzyl-2H-tetrazol-2-yl)-methyl]biphenyl-2 yl}-1H-tetrazole monohydrate

In the title compound, C22H18N8H2O, the dihedral angle between the tetrazole rings is 69.58 (1) while the terminal phenyl ring makes dihedral angles of 26.98 (8) and 39.75 (8) with the other benzene rings. The rings of the biphenyl unit subtend a dihedral angle of 55.23 (8). In the crystal, the solvent water molecule is linked to the main molecule via an N—HO hydrogen bond. In addition, C—HN and O— HN hydrogen bonds link the components into chains along [010]. The crystal structure also features C—H and – interactions, with centroid–centroid distances of 3.6556 (9) and 3.826 (1) A˚