title: 9-n-Butyl-9,9'-bi[9H-fluorene].
abstract: In the title compound, C(30)H(26), the dihedral angle between the two fluorene ring systems is 61.75 (4)°.
authors.affiliation: Department of Chemistry, Zhejiang University, Yuquan Campus, Hangzhou, 310027, People's Republic of China.
authors.forename: Shu-Qiang
authors.initials: SQ
authors.lastname: Yu
authors.forename: Bin-Bin
authors.initials: BB
authors.lastname: Hu
authors.forename: Ping
authors.initials: P
authors.lastname: Lu