title: 3-Hydr-oxy-N'-isopropyl-idene-2-naphthohydrazide.
abstract: The title Schiff base, C(14)H(14)N(2)O(2), is close to being planar (r.m.s. deviation for the non-hydrogen atoms = 0.052 Å) and an intra-molecular N-H⋯O hydrogen bond generates an S(6) ring. In the crystal, the moleucles are linked by O-H⋯O hydrogen bonds, giving rise to helical chains propagating along the c axis of the tetra-gonal unit cell.
authors.affiliation: Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
authors.forename: See Mun
authors.initials: SM
authors.lastname: Lee
authors.forename: Kong Mun
authors.initials: KM
authors.lastname: Lo
authors.forename: Hapipah Mohd
authors.initials: HM
authors.lastname: Ali
authors.forename: Seik Weng
authors.initials: SW
authors.lastname: Ng