title: Benzo[a]fluoren-11-one.
abstract: The mol-ecule of the title compound, C(17)H(10)O, is nearly planar, the largest deviation from the mean plane being 0.06 Å. The crystal structure is governed by π-π inter-actions, with centroid-centroid distances ranging from .559 to 3.730 Å.
authors.forename: Di
authors.initials: D
authors.lastname: Sun
authors.forename: Geng-Geng
authors.initials: GG
authors.lastname: Luo
authors.forename: Su-Yuan
authors.initials: SY
authors.lastname: Xie
authors.forename: Rong-Bin
authors.initials: RB
authors.lastname: Huang
authors.forename: Lan-Sun
authors.initials: LS
authors.lastname: Zheng