In the title hydrated molecular salt, C6H7ClN+·C2HO4
−·0.5H2O, the water O atom lies on a crystallographic twofold axis. In the crystal, the anions are linked by O—H⋯O hydrogen bonds, forming chains propagating along the b axis. These chains are interconnected through O—H⋯O hydrogen bonds from the water molecules and N—H⋯O hydrogen bonds from the cations, building layers parallel to the ab plane.
In the title hydrated molecular salt, C6H7ClN+·C7H9ClN3
+·2Cl−·0.5H2O, the water O atom lies on a crystallographic twofold axis. In the crystal, intermolecular N—H⋯Cl and O—H⋯Cl hydrogen bonds form layers perpendicular to the ac plane in which both the water molecule and the chloride anion are involved in connecting the layers into a three-dimensional structure.
In the crystal structure of the title salt, C6H7ClN+·C7H7O3S−, the cations and anions are linked via N—H⋯O hydrogen bonds into doubled chains in . Weak intermolecular C—H⋯π interactions further link these chains into layers parallel to the bc plane.
In the crystal of the title compound, C6H7ClN+·ClO4
−, 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 interactions, forming a three-dimensional network.
In the title compound, C6H7ClN+·C4H3O4
−, the cations and anions lie on mirror planes and hence only half of the molecules are present in the asymmeric unit. The 4-chloroanilinium cation and hydrogen maleate anion in the asymmetric unit are each planar and are oriented at an angle of 15.6 (1)° to one another and perpendicular to the b axis. A characterestic intramolecular O—H⋯O hydrogen bond, forming an S(7) motif, is observed in the maleate anion. In the crystal, the cations and anions are linked by N—H⋯O hydrogen bonds, forming layers in the ab plane. The aromatic rings of the cations are sandwiched between hydrogen-bonded chains and rings formed through the amine group of the cation and maleate anions, leading to alternate hydrophobic (z = 0 or 1) and hydrophilic layers (z = 1/2) along the c axis.
In the crystal structure of the title salt, C6H7ClN+·C7H7O3S−, the cations and anions are linked via N—H⋯O hydrogen bonds into double chains in . Weak intermolecular C—H⋯π-ring interactions link these chains into layers parallel to the ac plane.
In the title compound, C6H7ClN+·BF4
−·C12H24O6, 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 –NH3
+ group of the cation inserts into the crown-ether ring and forms bifurcated N—H⋯(O,O) hydrogen bonds. The H atoms of the –NH3
+ group were modelled as disordered across the mirror plane.
In the title molecular salt, C6H7ClN+·C3H3O4
−, the components are linked by N—H⋯O and O—H⋯O hydrogen bonds, leading to a two-dimensional network parallel to the bc plane. Weak C—H⋯O interactions are also observed.
The structure of the 1:1 proton-transfer compound of 4-chloroaniline with 4,5-dichlorophthalic acid (DCPA), viz. C6H7ClN+·C8H3Cl2O4
−, has been determined at 130 K. The non-planar hydrogen phthalate anions and the 4-chloroanilinium cations form two-dimensional O—H⋯O and N—H⋯O hydrogen-bonded substructures which have no peripheral extension. Between the sheets there are weak π–π associations between alternating cation–anion aromatic ring systems [shortest centroid–centroid separation = 3.735 (4) Å].
In the title compound, C6H7ClN+·ClO4
−·C12H24O6, the cation forms a 1:1 complex with the crown ether, viz [C6H7ClN-(18-crown-6)]+, in which the –NH3
+ unit nests in the crown and interacts 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 –NH3
+ group which are disordered across the mirror.
In the title compound, C6H7ClN+·Br−, the amino N atom is protonated. All non-H atoms of the cation are essentially coplanar [r.m.s. deviation = 0.004 (3) Å]. In the crystal, N—H⋯Br hydrogen bonds connect the ions, forming a ribbon-like structure propagating along .
The asymmetric unit of the title compound, (C6H7ClN)4[SnCl6]Cl2, comprises two 4-chloroanilinium cations, half of an [SnCl6]2− anion and a Cl− anion. The SnIV atom, located on a special position on a twofold rotation axis, exhibits an octahedral environment. In the crystal, molecules are linked by N—H⋯Cl hydrogen bonds between the 4-chloroanilinium cations, [SnCl6]2− anions and Cl− anions.
In the crystal structure of the title compound, C12H12N+·H2PO4
−, the dihydrogen phosphate anions and the 2-phenylanilinium cations are associated via O—H⋯O and N—H⋯O hydrogen bonds so as to build inorganic layers around the x = 1/2 plane. The organic entities are anchored between these layers through C—H⋯O hydrogen bonds, forming a three-dimensional infinite network. The dihedral angle between the aromatic rings is 44.7 (4)°.
In the crystal structure of the title salt, C10H16N+·H2PO4
−·H3PO4, the H2PO4
− and H3PO4 components are connected into infinite chains extending along the b-axis direction by way of O—H⋯O links. These chains are also linked through O—H⋯O hydrogen bonds thus building up a supramolecular two-dimensional framework extending parallel to (001). The organic cations cross-link the anionic layers by way of multiple N—H⋯O interactions, leading to a cohesive network.
The title compound, C8H10NO2
−, is a derivative of the naturally occurring compound methylanthranilate. The asymmetric unit comprises the 2-(methoxycarbonyl)anilinium cation and the dihydrogen phosphate anion. In the cation, the dihedral angle between the benzene ring plane and that through the methyl ester substituent is 22.94 (9)°. In the crystal, adjacent cations and anions form dimers through N—H⋯O and O—H⋯O hydrogen bonds, respectively. Additional N—H⋯O and C—H⋯O contacts result in a network of cation and anion dimers stacked down the b axis.
In the crystal of the title molecular salt, 2C7H10N+·C10H6O6S2
2−, the naphthalene-1,5-disulfonate anion is located on an inversion center and accepts N—H⋯O hydrogen bonds from the 3-methylanilinium cations, forming supramolecular layers parallel to the ac plane.
In the title compound, C6H7ClN+·NCS−, the benzene ring and the protonated amine and chloro substituents are nearly planar, with a maximum deviation of 0.002 (2) Å for the N atom. In the crystal, the molecules are linked by N—H⋯N and N—H⋯S hydrogen bonds into a chain along the b axis.
The structure of the title compound, C7H9ClN+·H2PO4
−, contains inorganic layers built by (H2PO4)− anions and which are parallel to the ab planes around z = . 3-Chloro-2-methylanilinium cations are anchored between the inorganic layers through N—H⋯O hydrogen bonds. Electrostatic and van der Waals interactions, as well as hydrogen bonds, maintain the structural cohesion.
In the crystal structure of the title compound, C6H9N2
+·ClCH2COO−, prepared by the reaction of OPDA (orthophenelynediamine) with chloroacetic acid, N—H⋯O hydrogen bonds generate ladder-like chains and very weak intermolecular C—H⋯Cl hydrogen-bonding interactions between the anions and cations lead to a supramolecular network. C—H⋯O interactions also occur.
The cation and anion of the title molecular salt, C7H10NO+·C6H2N3O8
−, are linked via an N—H⋯O hydrogen bond. An intramolecular O—H⋯O hydrogen bond is also found in the anion. In the crystal, the anions self-assemble via O—H⋯O hydrogen bonds, forming a C(9) supramolecular chain the b axis. Further intermolecular N—H⋯O interactions also occur.
In the crystal of the title compound, C6H6Cl2N+·C6H4ClO3S−, the 2,5-dichloroanilinium cations and 4-chlorobenzenesulfonate anions are located on a crystallographic mirror plane and are connected by N—H⋯O hydrogen bonds. In the crystal, the connectivity of the hydrogen bonds leads to double chains propagating in .
The title salt, C7H9ClNO+·NO3
−, exhibits extensive hydrogen bonding between the ammonium functional group and the nitrate anion. A two-dimensional network of bifurcated N—H⋯O hydrogen bonds generates corrugated layers in the bc plane. The organic molecules are stacked in a parallel orientation as a result of π–π interactions, with an inter-ring distance of 3.837 Å.
In the anion of the title salt, C10H16N+·C10H4ClN4O7
− [trivial name = N,N-diethylanilinium 5-(3-chloro-4,6,-dinitrophenyl)barbiturate], the dihedral angle between the benzene and pyrimidine rings is 45.49 (6)°. The mean plane of the nitro group, which is ortho-substituted with respect to the pyrimidine ring, is twisted by 41.57 (13)° from the benzene ring, while the mean plane of the nitro group, which is para-substituted, is twisted by 14.41 (12)° from this ring. In the crystal, N—H⋯O hydrogen bonds link cations and anions into chains along [1-10]. Within the chains, inversion-related anionic barbiturate anions form R
2(8) ring motifs.
The asymmetric unit of the title compound, C8H12N+·ClO4
−.C12H24O6, contains one half of the cationic [(C2H5—C6H4—NH3)(18-crown-6)]+ moiety and one half of the ClO4
− 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 –NH3
+ group lies in the 18-crown-6 ring, forming a supramolecular rotator–stator-like structure linked by intramolecular 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.
In the crystal of the title hydrated molecular salt, 2C7H9ClN+·4C10H16N+·P6O18
6−·4H2O, the packing consists of a three-dimensional O—H⋯O and N—H⋯O hydrogen-bonded network resulting from the association of anionic layers built up from centrosymmetric cyclohexaphosphate ions and water molecules and the two types of organic cations.