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

ABSTRACT: 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.

SUBMITTER: Xu Q

PROVIDER: S-EPMC3052115 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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

Xu Qian Q Zhao Min Min MM

Acta crystallographica. Section E, Structure reports online 20110205 Pt 3

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. ...[more]

PMID: 21522341

Similar Datasets

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-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-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 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

Dimethyl-ammonium perchlorate 18-crown-6 monohydrate clathrate.

Project description:The reaction of dimethyl-amine, 18-crown-6, and perchloric acid in methanol yields the title compound, C(2)H(8)N(+)·ClO(4) (-)·C(12)H(24)O(6)·H(2)O. The dimethyl-ammonium cation and the water mol-ecule inter-act with the 18-crown-6 unit: N-H⋯O hydrogen bonds are formed between the ammonium NH(2) (+) group and four O atoms of the crown ether, while the water mol-ecule on the other side of 18-crown-6 ring forms O-H⋯O hydrogen bonds with two other O atoms of the crown ether. All conventional donors and acceptors in the cations are thus engaged in hydrogen bonding. The ClO(4) (-) anion is disordered over two sites, and occupancies for the disordered O atoms were fixed at 0.5. In the crystal, the cations and anions are arranged in alternating layers.

| S-EPMC3006918 | biostudies-literature

4-Bromo-3-methyl-anilinium perchlorate.

Project description:In the title compound, C(7)H(9)BrN(+)·ClO(4) (-), the cations and anions are linked by inter-molecular N-H?O hydrogen bonds, forming a two-dimensional network parallel to the ab plane.

| S-EPMC2970490 | biostudies-literature

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

Project description: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.

| S-EPMC3006967 | biostudies-literature

4-Ethyl-anilinium perchlorate-18-crown-6 (1/1).

Project description:The asymmetric unit of the title compound, C(8)H(12)N(+)·ClO(4) (-.)C(12)H(24)O(6), contains one half of the cationic [(C(2)H(5)-C(6)H(4)-NH(3))(18-crown-6)](+) moiety and one half of the ClO(4) (-) anion. Two O atoms of the crown ether, four C atoms and the N atom of the ethylanilinium unit and the Cl and two O atoms of the anion lie on a mirror plane. In the crystal structure, the -NH(3) (+) group lies in the 18-crown-6 ring, forming a supra-molecular rotator-stator-like structure linked by intra-molecular N-H⋯O hydrogen bonds. The six O atoms of the crown ether lie approximately in a plane, the mean deviation being 0.1771 (3) Å; the N atom lies approximately 0.855 (3) Å from the centroid of the crown ether ring.

| S-EPMC3007958 | biostudies-literature

4-Chloro-anilinium perchlorate-18-crown-16 (1/1).

Project description:In the title compound, C(6)H(7)ClN(+)·ClO(4) (-)·C(12)H(24)O(6), the cation forms a 1:1 complex with the crown ether, viz [C(6)H(7)ClN-(18-crown-6)](+), in which the -NH(3) (+) unit nests in the crown and inter-acts with it through bifurcated N-H⋯O hydrogen bonding. All constituents of the structure have crystallographically imposed mirror symmetry except for the H atoms of the -NH(3) (+) group which are disordered across the mirror.

| S-EPMC3239039 | biostudies-literature

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