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1-Butyl-quinine tetra-fluoro-borate.

ABSTRACT: In the title salt (2S,4S,8R)-1-butyl-2-[(R)-(hydr-oxy)(6-methoxy-quinolin-4-yl)meth-yl]-8-vinyl-quinuclidin-1-ium tetra-fluoro-borate, C(24)H(33)N(2)O(2) (+)·BF(4) (-), the butyl substituent at the 1-position is in an equatorial conformation with respect to the unsubstituted six-membered ring and the four butyl C atoms are almost coplanar with the ring N and vinyl C atoms (r.m.s. deviation = 0.046 Å). In the crystal, the cations are linked by O-H⋯N hydrogen bonds. The F atoms of the tetra-fluoro-borate group are disordered over two sets of site with an occupancy raitio of 0.552 (8):0.448 (8).

SUBMITTER: Eltaief S

PROVIDER: S-EPMC2979949 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Cyanomethanaminium tetra-fluoro-borate.

Project description:In the title compound, C(2)H(5)N(2) (+)·BF(4) (-), the cations and anions are connected via inter-molecular N-H?F and C-H?F hydrogen bonds, forming a three-dimensional network.

| S-EPMC3007585 | biostudies-literature

2-Cyano-anilinium tetra-fluoro-borate.

Project description:In the title compound, C(7)H(7)N(2) (+)·BF(4) (-), the non-H atoms of the cation are almost coplanar (r.m.s. deviation = 0.035?Å). The cations and anions are connected by inter-molecular N-H?F and N-H?N hydrogen bonds, forming a two-dimensional network parallel to (10).

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1-Butyl-3-ethyl-1H-benzimidazol-3-ium tetra-fluoro-borate.

Project description:In the title salt, C(13)H(19)N(2) (+)·BF(4) (-), an ionic liquid, the butyl and ethyl substituents bonded to the N atoms of the imidazole ring [r.m.s. deviation = 0.019?(1)?Å] adopt equatorial positions. The crystal structure exhibits slipped ?-? inter-actions between the imidazole and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.529?(2)?Å]. In the tetra-fluoro-borate anion, the B and F atoms are disordered over two sets of sites with site-occupancy factors of 0.813?(7) and 0.187?(7).

| S-EPMC3470219 | biostudies-other

Tetra-pyrazine-platinum(II) bis-(tetra-fluoro-borate) acetonitrile hemisolvate.

Project description:The improved synthesis and characterization of tetra-pyrazine-platinum(II) bis-(tetra-fluoro-borate) acetonitrile hemisolvate, [Pt(C(4)H(4)N(2))(4)](BF(4))(2)·0.5CH(3)CN, is reported. The unit cell contains a half equivalent of an acetonitrile solvent mol-ecule per tetra-pyrazine-platinum(II) ion. The coordination geometry of the Pt(II) ion is almost square-planar, with the Pt atom residing on an inversion center. The BF(4) (-) counter-anion, located at a general position, has an idealized tetra-hedral geometry and an acetonitrile solvent mol-ecule, the methyl group of which is disordered over two equal positions, sits on a twofold rotation axis.

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Tetra-butyl-ammonium tris-(methyl-sulfanylmeth-yl)phenyl-borate.

Project description:In the title molecular salt, C(16)H(36)N(+)·C(12)H(20)BS(3) (-), three of the four n-butyl chains show a trans conformation, whereas the fourth has the C-C-C-C torsion angle in a gauche conformation [-77.8?(5)°]. In the crystal, mol-ecules are packed in layers parallel to the (101) plane.

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The low-temperature phase of morpholinium tetra-fluoro-borate.

Project description:The crystal structure of the low-temperature form of the title compound, C(4)H(10)NO(+)·BF(4) (-), was determined at 80?K. Two reversible phase transitions, at 158/158 and 124/126?K (heating/cooling), were detected by differential scanning calorimetry for this compound, and the sequence of phase transitions was subsequently confirmed by single-crystal X-ray diffraction experiments. The asymmetric unit at 80?K consists of three BF(4) (-) tetra-hedral anions and three morpholinium cations (Z' = 3). Hydrogen-bonded morpholinium cations form chains along the [100] direction. The BF(4) (-) anions are connected to these chains by N-H?F hydrogen bonds. In the crystal structure, two different layers perpendicular to the [001] direction can be distinguished, which differ in the geometry of the hydrogen bonds between cationic and anionic species.

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Benzyl-ammonium tetra-fluoro-borate 18-crown-6 clathrate.

Project description:The reaction of benzyl-ammonium tetra-fluoro-borate and 18-crown-6 in a methano-lic solution yields the title compound, C(7)H(10)N(+)·BF(4) (-)·C(12)H(24)O(6)O6, which displays a supra-molecular structure. The -NH(3) (+) substituent of the benzyl-ammonium cation forms a 1:1 supra-molecular rotator-stator structure by N-H?O hydrogen-bonding inter-actions.

| S-EPMC3007038 | biostudies-literature

Tris(2-benzamido-eth-yl)ammonium tetra-fluoro-borate.

Project description:In the title compound, C(27)H(31)N(4)O(3) (+)·BF(4) (-), the central N atom is protonated. The three arms form a pocket and one amidic O atom accepts an inter-molecular hydrogen bond with the protonated amine. The tetra-fluoro-borate anion is outside the cavity and is hydrogen bonded to one amide N atom. Adjacent organic cations are connected by a pair of N-H⋯O hydrogen bonds, forming a chain.

| S-EPMC3006998 | biostudies-literature

4-Methyl-anilinium tetra-fluoro-borate 18-crown-6 clathrate.

Project description:In the title compound, C(7)H(10)N(+)·BF(4) (-)·C(12)H(24)O(6), the proton-ated 4-methyl-anilinium cation inter-acts with 18-crown-6 forming a rotator-stator structure, (C(6)H(4)CH(3)NH(3) (+))(18-crown-6), through three bifurcated N-H?(O,O) hydrogen bonds between the ammonium groups of the cations (-NH(3)) and the O atoms of the crown ether mol-ecule. The BF(4) (-) anions, the methyl group and the protonated -NH(3) groups of the 4-methylanilinium lie on a dual axis of rotation. The 18-crown-6 unit is perpendicular to the dual axis of rotation and the mirror plane which contains the dual axis of rotation. The benzene ring of 4-methylanilinium is perpendicular to the mirror plane and parallel to the dual axis.

| S-EPMC2979430 | biostudies-literature

1-Benzyl-3-(2-methoxy-phen-yl)imidazolium tetra-fluoro-borate.

Project description:In the title compound, C(17)H(17)N(2)O(+)·BF(4) (-), the central imidazolium ring makes dihedral angles of 74.58?(9) and 40.10?(6)° with the phenyl and 2-methoxy-phenyl rings, respectively. In the crystal, a strong ?-? inter-action is observed between the imidazolium and 2-methoxy-phenyl rings, with a centroid-centroid distance of 3.5115?(15)?Å. In addition, C-H?F and C-H?O hydrogen bonds and C-H?? inter-actions involving the -phenyl ring are observed.

| S-EPMC2970015 | biostudies-literature

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