title: (1R*,2S*)-2-Nitro-1-(4-nitro-phen-yl)propanol.
abstract: The title compound, C(9)H(10)N(2)O(5), presents a racemic mixture of two enanti-omeric diastereomers. In the crystal, mol-ecules assemble into zigzag chains parallel to the b axis [C(6) motif] due to the formation of elongated O-H⋯O(N) hydrogen bonds. Of inter-est is the fact that only the aliphatic nitro group is involved in hydrogen bonding and it adopts a gauche conformation with respect to the OH group.
authors.affiliation: Department of Chemistry, School of Pharmacy, Fourth Military Medical University, Shaanxi Province, Xi'an 710032,  People's Republic of China.
authors.forename: Xu
authors.initials: X
authors.lastname: Zhang
authors.forename: Le
authors.initials: L
authors.lastname: Yang
authors.forename: Jun-Na
authors.initials: JN
authors.lastname: Zhang
authors.forename: Wei
authors.initials: W
authors.lastname: He