5-Hydr-oxy-8-nitro-1,4-naphthoquinone.

ABSTRACT: The title compound, C(10)H(5)NO(5), features an intra-molecular O-H?O hydrogen bond, forming a six-membered ring with an S(6) ring motif. The nitro group makes a dihedral angle of 71.66?(5)° with the plane of the benzene ring to which it is bound. The two rings are almost coplanar, with a dihedral angle of 4.44?(5)°. Short inter-molecular distances between the centroids of the six-membered rings [3.7188?(6)-3.8299?(6)?Å] indicate the existence of ?-? inter-actions. The inter-esting features of the crystal structure are the short inter-molecular O?O and O?N inter-actions. The crystal packing is stabilized by intra-molecular O-H?O and inter-molecular C-H?O (×3) hydrogen bonds, and C-H?? inter-actions.

SUBMITTER: Tan DT 

PROVIDER: S-EPMC2962149 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature