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2,4-Dimethyl-anilinium perchlorate.

ABSTRACT: The crystal packing of the title compound, C(8)H(12)N(+)·ClO(4) (-), is stabilized by N-H⋯O hydrogen bonds, the protonated amine group acting as a hydrogen-bond donor with the perchlorate O atoms as acceptors. These connect neighbouring cations and anions, forming a two-dimensional network. Variable-temperature dielectric constant measurements on the salt indicated that no distinct phase transition occurred within the measured temperature range of 80-293 K.

SUBMITTER: Liang WX

PROVIDER: S-EPMC3006913 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2,4-Dimethyl-anilinium chloride.

Project description:In the crystal structure of the title compound, C(8)H(12)N(+)·Cl(-), all H atoms bonded to the ammonium N atom are hydrogen bonded to the chloride ions, with N?Cl distances in the range 3.080?(2)-3.136?(2)?Å, resulting in 16-membered macrocyclic rings involving four formula units of the title compound.

| S-EPMC3006738 | biostudies-literature

A second monoclinic polymorph of 2,4-dimethyl-anilinium chloride.

Project description:A second monoclinic polymorph of 2,4-dimethyl-anilinium chloride, C(8)H(12)N(+)·Cl(-), (I), is reported. The unit-cell dimensions differ from those of the first reported monoclinic form, (II) [Yao (2010 ▶). Acta Cryst. E66, o1563]. Nevertheless, both compounds crystallize in the monoclinic space group P2(1)/n. As in (II), the protonated amine group in (I) acts as a hydrogen-bond donor to the chloride ion, forming three N-H⋯Cl hydrogen bonds. The result is a two-dimensional network in the ac plane. The difference in the hydrogen-bond pattern is that in (I) only 12-membered rings are formed whereas in (II), eight-membered and 16-membered rings are formed.

| S-EPMC3238857 | biostudies-literature

4-Cyano-anilinium perchlorate.

Project description:The title compound, C(7)H(7)N(2) (+)·ClO(4) (-), comprises discrete ions which are inter-connected by N-H?O hydrogen bonds, leading to a neutral one-dimensional network along the [100] direction.

| S-EPMC2959313 | biostudies-literature

4-Ethoxy-anilinium perchlorate.

Project description:In the title compound, C(8)H(12)NO(+)·ClO(4) (-), there are strong hydrogen bonds between the ammonium groups and the perchlorate O atoms.

| S-EPMC2970473 | biostudies-literature

2,6-Diethyl-anilinium perchlorate.

Project description:The asymmetric unit of the title mol-ecular salt, C(10)H(16)N(+)·ClO(4) (-), contains two cations and two anions. The atoms of one of the ethyl side chains of one of the cations are disordered over two sets of sites in a 0.531?(13):0.469?(13) ratio. In the crystal, the components are linked by N-H?O and bifurcated N-H?(O,O) hydrogen bonds and weaker C-H?O inter-actions, such that the organic cations alternate with the perchlorate anions, forming ribbons in the a-axis direction.

| S-EPMC2983530 | biostudies-literature

2-Cyano-anilinium perchlorate.

Project description:In the title compound, C(7)H(7)N(2) (+)·ClO(4) (-), the cation is almost planar (r.m.s. deviation = 0.042?Å). In the crystal structure, the cations and anions are linked into a two-dimensional network parallel to (100) by N-H?O hydrogen bonds.

| S-EPMC2979710 | biostudies-literature

4-Iodo-anilinium perchlorate.

Project description:In the crystal structure of the title compound, C(6)H(7)IN(+)·ClO(4) (-), the ions are connected in a three-dimensional hydrogen-bonded network via N-H⋯O hydrogen bonds.

| S-EPMC2983964 | biostudies-literature

2-Chloro-anilinium perchlorate.

Project description:In the crystal of the title compound, C(6)H(7)ClN(+)·ClO(4) (-), a layer-like structure parallel to the bc plane is formed through N-H⋯O hydrogen bonds between the cations and anions. These layers are connected by weak C-H⋯O inter-actions, forming a three-dimensional network.

| S-EPMC3393925 | biostudies-literature

4-Hy-droxy-anilinium perchlorate dihydrate.

Project description:In the crystal structure of the title compound, C(6)H(8)NO(+)·ClO(4) (-)·2H(2)O, inter-molecular N-H?O and O-H?O hydrogen bonds occur. The protonated amine cations and the perchlorate anions are linked through the water mol-ecules, and the hy-droxy groups of the cations and the anions are linked through the water mol-ecules. The cations are connected to the perchlorate anions via inter-molecular N-H?O hydrogen bonds. In addition, the crystal structure exhibits weak inter-molecular C-H?? inter-actions.

| S-EPMC3007241 | 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

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