[1,4-Phenylenebis(methylene)]bis(triphenylphosphonium) bis(tetrafluoroborate)
نویسندگان
چکیده
The crystal structure of the title salt, C(44)H(38)P(2) (2+)2BF(4) (-), consists of discrete dications inter-laced with the BF(4) (-) counter-ions. In each cation, both phospho-nium groups lie on the same side of the plane of the central benzene ring. The tetra-fluoro-borate anions are involved in intensive thermal motion, thus some B-F bond lengths [range 1.329 (6) to 1.391 (6) Å] deviate significantly from their standard values.
منابع مشابه
1,1′-{[1,4-Phenylenebis(methylene)]bis(oxy)bis(4,1-phenylene)}diethanone
The centroid of the central aromatic ring of the title mol-ecule, C(24)H(22)O(4), is located on an inversion center. The dihedral angle between the central and terminal benzene rings is 75.00 (7)°. In the crystal, mol-ecules are linked through C-H⋯O hydrogen bonds into chains along [121]. The chains are connected into layers via C-H⋯π inter-actions.
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In the title compound, C(24)H(22)O(4), the centroid of the central benzene ring lies on a special position of 2/m site symmetry, while the terminal aromatic rings are located on a mirror plane. The central and terminal benzene rings are perpendic-ular to each other. In the crystal, the mol-ecules are connected via C-H⋯O hydrogen bonds into a three-dimensional polymeric structure. The network is...
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The asymmetric unit of the title compound, C(24)H(22)O(4), contains one half-mol-ecule, the other half being generated by a crystallographic center of inversion. The central benzene ring makes a dihedral angle of 72.49 (5)° with the terminal benzene ring. In the crystal, adjacent mol-ecules are linked through C-H⋯O inter-actions, forming a sheet structure parallel to the bc plane. The sheets ar...
متن کاملN,N′-[1,4-Phenylenebis(methylene)]bis(N,N-diethylethanaminium) dibromide
In the crystal structure of the title compound, C(20)H(38)N(2) (2+)·2Br(-), the centroid of the aromatic ring is located on an inversion center, so that the asymmetric unit consists of one-half mol-ecule of the dication and one bromide anion. C-H⋯Br inter-actions connect the two components into a three-dimensional network. An intra-molecular C-H⋯π inter-action is also observed.
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In the dication of the title compound, C(16)H(20)N(4) (2+)·C(10)H(4)O(8) (2-)·H(2)O, the dihedral angles formed by mean planes of the imidazolium rings and the benzene ring are 69.05 (18) and 89.1 (2)°. In the crystal, the components are linked into a three-dimensional network by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.
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