title: {μ-N,N,N',N'-Tetra-kis[(diphenyl-phosphan-yl)meth-yl]benzene-1,4-diamine}-bis-[(2,2'-bipyrid-yl)copper(I)] bis-(tetra-fluoridoborate).
abstract: In the title compound, [Cu(2)(C(10)H(8)N(2))(2)(C(58)H(52)N(2)P(4))](BF(4))(2), the dinuclear cation lies on an inversion centre. The Cu(I) atom is coordinated by two N atoms from a 2,2'-bipyridine ligand and two P atoms from an N,N,N',N'-tetra-kis-[(diphenyl-phos-phan-yl)meth-yl]benzene-1,4-diamine ligand in a distorted tetra-hedral geometry. In the crystal, inter-molecular C-H⋯F hydrogen bonds link the ions into layers parallel to [[Formula: see text]01]. π-π inter-actions [centroid-centroid distance = 3.668 (4) Å] are also observed. One F atom of the anion is disordered over two orientations with a refined occupancy ratio of 0.675 (13):0.325 (13).
authors.affiliation: SiChuan College of Chemical Technology, Luzhou 646005,  People's Republic of China.
authors.forename: Lun-Zhong
authors.initials: LZ
authors.lastname: Luo
authors.forename: Zong-Wei
authors.initials: ZW
authors.lastname: Yang
authors.forename: Zhi-Bin
authors.initials: ZB
authors.lastname: Wang
authors.forename: Zhang
authors.initials: Z
authors.lastname: Hong
references.citation: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references.pmid: 18156677
references.citation: Dalton Trans. 2010 Oct 14;39(38):8945-56
references.pmid: 20859569