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4,4'-Bis(acetyl-amino)-1,1'-ethyl-enedipyridinium bis-(tetra-fluorido-borate).

ABSTRACT: In the organic cation of the title compound, C(16)H(20)N(4)O(2) (2+)·2BF(4) (-), the pyridinium rings are nearly parallel, with a dihedral angle of 12.54 (12)°. The crystal packing is stabilized by N-H⋯F, C-H⋯F and C-H⋯O hydrogen bonds.

SUBMITTER: Li JS

PROVIDER: S-EPMC2914995 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1,1'-Dimethyl-4,4'-bipyridinium bis-(tetra-fluorido-borate).

Project description:In the title compound, C(12)H(14)N(2) (2+)·2BF(4) (-), the cation has a centre of symmetry at the mid-point of the central C-C bond. π-π inter-actions, with a shortest atom-to-atom distance of 3.757 (4) Å, extend the crystal structure into a one-dimensional supra-molecular chain.

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Bis(2,6-dimethyl-phenyl isocyanide-κC)gold(I) tetra-fluorido-borate.

Project description:In the title compound, [Au(C(9)H(9)N)(2)]BF(4), the Au(I) cation adopts an almost linear AuC(2) geometry. The cation is bowed due to crystal packing effects, and the dihedral angle between the xylyl rings is 52.3 (7)°.

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4,4'-[8b,8c-Bis(ethoxycarbonyl)-4,8-dioxo-2,3,5,6-tetra-hydro-1H,4H-2,3a,4a,6,7a,8a-hexa-azacyclo-penta-[def]fluorene-2,6-diyl]dipyridinium bis-(tetra-fluorido-borate).

Project description:In the title compound, C(26)H(32)N(8)O(6) (2+)·2BF(4) (-), the cation is built up from four fused rings, viz. two nearly planar imidazole rings and two triazine rings exhibiting chair conformations. One eth-oxy group is disordered between two positions in an approximate ratio 3:2. The F atoms of the two anions are each rotationally disordered between two orientations in the same 3:2 ratio. The crystal structure is stabilized by inter-molecular N-H?O, C-H?F and N-H?F inter-actions.

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Project description:In the title compound, [PtCl(C(27)H(35)N(3))]BF(4), the Pt(II) atom is in a pseudo-square-planar coordination, which is typical of Pt-terpyridine complexes. The Pt-Cl bond distance is 2.2998?(7)?Å. The Pt-N distance of the N atom on the central pyridine is 1.931?(2)?Å, while the peripheral N atoms have Pt-N distances of 2.018?(2) and 2.022?(2)?Å. The cations pack as dimers in a head-to-tail orientation with an inter-molecular Pt?Pt distance of 3.5214?(2)?Å and Pt?N distances of 3.527?(2), 3.873?(2) and 4.532?(2)?Å. In the crystal, cations and anions are linked by weak C-H?F hydrogen-bonding inter-actions.

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