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4-Fluoro-anilinium tetra-chloridoferrate(III) 18-crown-6 clathrate.

ABSTRACT: The reaction of 4-fluoro-aniline hydro-chloride, 18-crown-6 and ferric chloride in methano-lic solution yields the title compound, (C(6)H(7)FN)[FeCl(4)]·C(12)H(24)O(6), which has an unusual supramolecular structure. N-H⋯O hydrogen-bonding inter-actions between the NH(3) (+) substituents of the 4-fluoro-anilinium cations and the O atoms of the crown ether mol-ecules result in a rotator-stator-like structure.

SUBMITTER: Ge JZ

PROVIDER: S-EPMC3006967 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Dimethyl-ammonium tetra-chloridoferrate(III) 18-crown-6 clathrate.

Project description:The reaction of dimethyl-amine hydro-chloride, 18-crown-6 and ferric chloride in ethanol yields the title compound, (C(2)H(8)N)[FeCl(4)]·C(12)H(24)O(6), which exhibits an unusual supramolecular structure. The protonated dimethyl-amine contains one NH(2) (+) group, resulting in a 1:1 supra-molecular rotator-stator structure (CH(3)-NH(2) (+)-CH(3))(18-crown-6), through N-H⋯O hydrogen-bonding inter-actions between the ammonium group of the cation and the O atoms of the crown ether. In the crystal, all three components lie on a common crystallographic mirror plane normal to [010].

| S-EPMC3007045 | 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

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

Project description:In the title compound, C(6)H(7)ClN(+)·BF(4) (-)·C(12)H(24)O(6), the complete cation is generated by crystallographic mirror symmetry, with two C atoms and the N and Cl atoms lying on the mirror plane. The complete crown ether is also generated by mirror symmetry, as is the anion (in which the B and two F atoms lie on the mirror plane). The -NH(3) (+) group of the cation inserts into the crown-ether ring and forms bifurcated N-H⋯(O,O) hydrogen bonds. The H atoms of the -NH(3) (+) group were modelled as disordered across the mirror plane.

| S-EPMC3295507 | biostudies-literature

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

4-Bromo-anilinium perchlorate 18-crown-6 clathrate.

Project description:The reaction of 4-bromo-aniline, 18-crown-6, and perchloric acid in methanol yields the title compound, C(6)H(7)BrN(+)·ClO(4) (-)·C(12)H(24)O(6), in which the protonated -NH(3) (+) group forms three bifurcated N-H?O hydrogen bonds to the O atoms of the crown ether.

| S-EPMC3009328 | biostudies-literature

4-Iodo-anilinium perchlorate 18-crown-6 clathrate.

Project description:In the title compound, C(6)H(7)IN(+)·ClO(4) (-)·C(12)H(24)O(6), the proton-ated 4-iodo-anilinium cation inter-acts with the 18-crown-6 through three N-H⋯O hydrogen bonds, forming a rotator-stator-like structure. The cation, anion and 18-crown-6 mol-ecule all have crystallographically imposed mirror symmetry.

| S-EPMC3052035 | biostudies-literature

4-Methyl-anilinium perchlorate 18-crown-6 clathrate.

Project description:In the title compound, C(7)H(10)N(+)·ClO(4) (-)·C(12)H(24)O(6), the 4-methyl-anilinium cation inter-acts with an 18-crown-6 mol-ecule forming a rotator-stator-like structure through bifurcated N-H⋯(O,O) hydrogen bonds between the ammonium group of the cation and the O atoms of the crown ether mol-ecule. All three components of the structure possess mirror symmetry. The benzene ring is inclined to the mean plane of the crown ether molecule by 86.84 (8)°.

| S-EPMC3254523 | biostudies-literature

2,4,5-Trichloro-anilinium perchlorate 18-crown-6 clathrate.

Project description:In the title compound, C(6)H(5)Cl(3)N(+)·ClO(4) (-)·C(12)H(24)O(6), the perchlorate anion is disordered over two orientations in a 0.666 (17):0.334 (17) ratio. The ammonium group of the organic cation inserts into the crown ether ring and forms three bifurcated N-H⋯(O,O) hydrogen bonds to generate a supra-molecular complex. The macrocycle has approximate D(3d) local symmetry.

| S-EPMC3295508 | biostudies-literature

4-Bromo-3-methyl-anilinium perchlorate 18-crown-6 clathrate.

Project description:The reaction of 4-bromo-3-methyl-anilinium perchlorate and 18-crown-6 in methanol solution yielded the title compound, C(7)H(9)BrN(+)·ClO(4) (-)·C(12)H(24)O(6). The protonated 4-bromo-3-methyl-amine unit contains one -NH(3) (+) substituent, resulting in a 1:1 supra-molecular rotator-stator structure, (C(7)H(9)Br-NH(3) (+))(18-crown-6), through three bifurcated N-H⋯(O,O) hydrogen bonds between the ammonium group of the cation and the O atoms of the crown ether mol-ecule.

| S-EPMC3052115 | biostudies-literature

Methyl-ammonium tetra-fluoridoborate 18-crown-6 clathrate.

Project description:In the title compound, CH(3)NH(3) (+)·BF(4) (-)·C(12)H(24)O(6), the methyl-ammonium cation makes three N-H?O hydrogen bonds to the 18-crown-6 mol-ecule. The -NH(3) (+) and -CH(3) groups of the cation adopt a staggered conformation. The F atoms of the tetra-fluoridoborate anion are disordered over two sets of sites in a 0.519?(11):0.481?(11) ratio. Weak C-H?F inter-actions occur in the crystal, which possibly correlate with the anion disorder.

| S-EPMC3254558 | biostudies-literature

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