title: Structure of a photodimer of 3-acetoxy-2-inden-1-one: 9,10-dioxoindano[2',3':4,3]cyclobuta[1,2-b]indan-4b,4c-diyl diacetate.
abstract: C22H16O6, Mr = 376.37, monoclinic, P21/c, a = 9.555 (3), b = 15.664 (2), c = 12.300 (4) A, beta = 100.08 (2) degrees, V = 1812.5 (5) A3, Z = 4, Dx = 1.379 g cm-3, lambda(Cu K alpha) = 1.5418 A, mu = 8.0 cm-1, F(000) = 784, room temperature, R = 0.047, wR = 0.064 for 3203 observed reflections [I greater than 3 sigma (I)]. The molecule exists as the syn-trans isomer in the crystal. The crystal structure exhibits a number of C--H...O intermolecular contacts.
authors.affiliation: Department of Oral Biology, School of Dental Medicine, SUNY, Buffalo 14214.
authors.forename: N
authors.initials: N
authors.lastname: Ramasubbu
authors.forename: K K
authors.initials: KK
authors.lastname: Bhandary
authors.forename: B S
authors.initials: BS
authors.lastname: Joshi
authors.forename: Q P
authors.initials: QP
authors.lastname: Jiang
authors.forename: S W
authors.initials: SW
authors.lastname: Pelletier
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003503:Cyclobutanes / Q000737:chemistry*; D006860:Hydrogen Bonding; D007189:Indans / Q000737:chemistry*; D015394:Molecular Structure; D013696:Temperature; D014961:X-Ray Diffraction
chemical_list: D003503:Cyclobutanes; D007189:Indans; C067501:9,10-dioxoindano(2',3'-4,3)cyclobuta(1,2-b)indan-4b,4c-diyl diacetate