Erratum: ,,2,4,6-Penta-methyl-anilinium hexa-fluoro-phosphate-1,4,7,10,13,16-hexa-oxa-cyclo-octa-decane (2/1). Corrigendum.

[This corrects the article DOI: 10.1107/S1600536813033734.].

Crystal structure of dimethyl 3,3'-[(3-fluoro-phenyl)methyl-ene]bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H21FN2O4, the mean planes of the two indole ring systems (r.m.s.

Crystal structure of dimethyl 3,3'-[(3-nitro-phen-yl)methyl-ene]bis-(1H-indole-2-carboxyl-ate) ethanol monosolvate.

In the title compound, C27H21N3O6·C2H5OH, the indole ring systems are approximately perpendicular to each other, with a dihedral angle of 89.3 (5)°; the plane of the benzene ring is oriented with respect to the indole ring systems at 49.9 (5) and 73.

Crystal structure of dimethyl 3,3'-[(4-chloro-phen-yl)methyl-ene]bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H21ClN2O4, the mean planes of the two indole ring systems (r.m.s.

Methyl 4-amino-2-chloro-pyrimidine-5-carboxyl-ate.

In the title compound, C6H6ClN3O2, all non-H atoms are approximately coplanar [maximum deviation = 0.012 (4) Å]; an intra-molecular N-H⋯O hydrogen bond occurs between the amino group and the carbonyl group. In the crystal, mol-ecules are linked by N-H⋯N hydrogen bonds into supra-molecular chains propagated along [101].

Bis(6-nitro-1,10-phenanthrolin-1-ium) 2,5-di-carb-oxy-terephthalate.

In the structure of the title 2:1 proton-transfer compound, 2C12H8N3O2 (+)·C10H4O8 (2-), the 6-nitro-1,10-phenanthroline mol-ecules act as proton sponges, accepting protons from pyromellitic acid. The -NO2 group of one of the 6-nitro-1,10-phenanthrolin-1-ium cations is disordered and was refined with a site-occupancy ratio of 0.624 (15):0.

N,N,2,4,6-Penta-methyl-anilinium hexa-fluoro-phosphate-1,4,7,10,13,16-hexa-oxa-cyclo-octa-decane (2/1).

In the title compound, 2C11H18N(+)·2PF6 (-)·C12H24O6, the 18-crown-6 mol-ecule has crystallographically imposed inversion symmetry. In the crystal, it inter-acts with the cation through weak C-H⋯O hydrogen bonds. The cations and anions are further linked via N-H⋯F and C-H⋯F hydrogen bonds, leading to a sandwich structure .

2-(1-Benzo-thio-phen-2-yl)-4H-1,3,4-oxa-diazin-5(6H)-one.

In the title compound, C11H8N2O2S, the oxadiazinone ring is nearly planar [maximum deviation = 0.016 (4) Å], and is approximately coplanar with the benzo-thio-phene ring system [dihedral angle = 3.1 (5)°].

Ethyl 6-methyl-2-oxo-4-[4-(1H-tetra-zol-5-yl)phen-yl]-1,2,3,4-tetra-hydro-pyrimidine-5-carboxyl-ate-di-methyl-formamide-water (2/1/1).

The asymmetric unit of the title compound, 2C15H16N6O3·C3H7NO·H2O, contains two independent ethyl 6-methyl-2-oxo-4-[4-(1H-tetra-zol-5-yl)phen-yl]-1,2,3,4-tetra-hydro-pyrim-id-ine-5-carboxyl-ate mol-ecules, in which the dihedral angles between the tetra-zole and benzene rings are 20.54 (12) and 12.13 (12)°.

A novel three-dimensional Zn(II) coordination polymer with 1,3,5-tris(imidazol-1-ylmethyl)benzene and cyclohexane-1,3,5-tricarboxylate ligands.

In the Zn(II) compound poly[[bis(μ3-cyclohexane-1,3,5-tricarboxylato)bis[μ3-1,3,5-tris(imidazol-1-ylmethyl)benzene]trizinc(II)] hexahydrate], {[Zn3(C18H18N6)2(C9H9O6)2]·6H2O}n, based on mixed 1,3,5-tris(imidazol-1-ylmethyl)benzene and cyclohexane-1,3,5-tricarboxylate ligands, there are two types of crystallographically independent Zn(II) centres, one in a general position and one on a crystallographic twofold axis. They have similar fourfold distorted tetrahedral coordination geometries, ligated by two monodentate carboxylate groups from two cyclohexane-1,3,5-tricarboxylate ligands and by two N atoms from two 1,3,5-tris(imidazol-1-ylmethyl)benzene ligands. The cyclohexane-1,3,5-tricarboxylate anions link the Zn(II) cations to generate a two-dimensional layered metal-organic structure running parallel to the (201) plane.

2,9-Dimethyl-1,10-phenanthrolin-1-ium 2,4,5-tri-carb-oxy-benzoate monohydrate.

In the preparation of the title hydrated salt, C14H13N2 (+)·C10H5O8 (-)·H2O, a proton has been transfered to the 2,9-dimethyl-1,10-phenanthrolinium cation, forming a 2,4,5-tri-carb-oxy-benzoate anion. In the anion, the mean planes of the protonated carboxyl-ate groups form dihedral angles of 11.0 (5), 4.

N-[5-(Di-phenyl-phosphorylmeth-yl)-4-(4-fluoro-phen-yl)-6-iso-propyl-pyrimi-din-2-yl]-N-methyl-methane-sulfonamide.

In the title compound, C28H29FN3O3PS, the pyrimidine ring is oriented at a dihedral angle of 50.9 (2)° with respect to the floro-benzene ring, while the two phenyl rings bonding to the same P atom are twisted with respect to each other, making a dihedral angle of 62.2 (2)°.

tert-Butyl 2-(6-{2-[2-(4-fluoro-phen-yl)-5-isopropyl-3-phenyl-4-(phenyl-carbamo-yl)pyrrol-1-yl]eth-yl}-2,2-dimethyl-1,3-dioxan-4-yl)acetate.

The title compound, C40H47FN2O5, crystallizes with two independent but similar mol-ecules in the asymmetric unit. In the crystal, mol-ecules are linked into chains along [100] by inter-molecular N-H⋯O hydrogen bonds.

Bis(1,10-phenanthroline-κ(2) N,N')(sulfato-κ(2) O,O')nickel(II) propane-1,2-diol monosolvate.

In the title compound, [Ni(SO4)(C12H8N2)2]·C3H8O2, the Ni(II) atom exhibits a distorted octa-hedral coordination by four N atoms from two chelating 1,10-phenanthroline ligands and two O atoms from an O,O'-bidentate sulfate group. A twofold rotation axis passes through the Ni and S atoms and the mid-point of the hydroxyl C-C bond of the propane-1,2-diol solvent mol-ecule. The dihedral angle between the two chelating N2C2 groups is 85.

Two-dimensional hydrogen-bonded supramolecular networks in the compounds of benzene-1,2,4,5-tetracarboxylic acid (pyromellitic acid) with 2,2'-biimidazole and 4,4'-dimethyl-2,2'-bipyridine.

Two products from the proton-transfer reactions of benzene-1,2,4,5-tetracarboxylic acid (pyromellitic acid, PMA) with 2,2'-biimidazole and 4,4'-dimethyl-2,2'-bipyridine, namely 2,2'-biimidazole-3,3'-diium 2,5-dicarboxybenzene-1,4-dicarboxylate, C6H8N4(2+),C10H4O8(2-), (I), and 4-methyl-2-(4-methylpyridin-2-yl)pyridinium 2,4,5-tricarboxybenzoate monohydrate, C12H13N2(+)·C10H5O8(-)·H2O, (II), have been prepared and their structures determined. Both compounds crystallize in the space group P1. The asymmetric unit of (I) is composed of two independent ion pairs.

2-(Benzyl-carbamo-yl)nicotinic acid.

In the title compound, C14H12N2O3, the pyridine ring is twisted with respect to the phenyl ring and the carb-oxy-lic acid group at angles of 37.1 (5) and 8.1 (3)°, respectively; the phenyl ring forms a dihedral angle of 41.

Dimethyl 3,3'-(phenyl-methyl-ene)bis-(1H-indole-2-carboxyl-ate).

In the title compound, C27H22N2O4, the two indole ring systems are approximately perpendicular to each other, with a dihedral angle of 84.5 (5)° between their planes; the benzene ring is twisted with respect to the two indole ring systems at angles of 78.5 (5) and 86.

Bis(1,10-phenanthroline-κ(2) N,N')(sulfato-κO)zinc(II) propane-1,2-diol monosolvate.

In the title compound, [Zn(SO4)(C12H8N2)2]·C3H8O2, the Zn(II) ion is in a distorted square-pyramidal coordination environment composed of four N atoms from two chelating 1,10-phenanthroline ligands and one O atom from a monodentate sulfate ligand. The Zn(II) ion lies on a twofold rotation axis. The sulfate ligand and propane-1,2-diol mol-ecules are disordered across the twofold rotation axis.

Poly[diaqua-bis-(μ-4,4'-bipyridine-κ(2) N:N')bis-(ethane-1,2-diol-κO)bis(μ-sulfato-κ(2) O:O')dicobalt(II)].

In the title compound, [Co2(SO4)2(C10H8N2)2(C2H6O2)2(H2O)2] n , there are two crystallographically independent Co(II) ions, each of which lies on a twofold rotation axis and has a slightly distorted octa-hedral environment. One Co(II) ion is coordinated by two N atoms from two bridging 4,4'-bipyridine (4,4'-bipy) ligands, two O atoms from two sulfate ions and two O atoms from aqua ligands. The second Co(II) ion is similar but with ethane-1,2-diol ligands in place of water mol-ecules.

Poly[aqua-(μ2-4,4'-bipyridine-κ(2) N:N')(ethane-1,2-diol-κO)(μ2-sulfato-κ(2) O:O')nickel(II)].

The title compound, [Ni(SO4)(C10H8N2)(C2H6O2)(H2O)] n , contains two crystallographically unique Ni(II) atoms, each lying on a twofold rotation axis and having a slightly distorted octa-hedral environment. It is isotypic with the previously reported Cu(II) analog [Zhong et al. (2011 ▶).

N,N,2,4,6-Penta-methyl-anilinium hexa-fluoro-phosphate.

In the crystal structure of the title salt, C11H18N(+)·PF6(-), the cation and anion are connected via an N-H⋯F hydrogen bond; weak C-H⋯F hydrogen bonding also occurs between the cations and anions.

3-Chloro-2,4,5-trifluoro-benzoic acid.

The title compound, C7H2ClF3O2, was prepared by the chlorination of 3-amino-2,4,5-trifluoro-benzoic acid. The carboxyl group is twisted relative to the benzene ring by 6.8 (1)°.

Bis(1,10-phenanthroline-κ(2) N,N')(sulfato-O)copper(II) butane-2,3-diol monosolvate.

The title compound, [Cu(SO4)(C12H8N2)2]·C4H10O2, is comprised of neutral monomeric complex and butane-2,3-diol solvent mol-ecules. In the complex, the Cu(II) ion is in a distorted square-pyramidal coordination environment defined by four N atoms from two chelating 1,10-phenanthroline ligands and one O atom from a monodentate sulfate anion; the O atom is at the apex. The two chelating N2C2 groups subtend a dihedral angle of 85.

Butan-1-aminium tetra-chlorido-ferrate(III)-18-crown-6 (1/1).

In the crystal of the title compound, (C4H12N)[FeCl4]·C12H24O6, the butan-1-aminium cation and the tetra-chloridoferrate(III) anion have m symmetry: in the cation, the non-H atoms are located on the mirror plane and in the anion, the Fe(III) atom and two Cl atoms are located on the mirror plane. The 18-crown-6 mol-ecule also has m symmetry, with two O atoms located on the mirror plane. The butan-1-amine cation and the 18-crown-6 mol-ecule are connected by N-H⋯O hydrogen bonds.

Bis(1,10-phenanthroline-κ(2) N,N')(sulfato-κ(2) O,O')cobalt(II) propane-1,2-diol monosolvate.

In the title compound, [Co(SO4)(C12H8N2)2]·C3H8O2, the Co(II) atom (site symmetry 2) has a distorted octa-hedral coordination composed of four N atoms from two chelating 1,10-phenanthroline ligands and two O atoms from an O,O'-bidentate sulfate ligand, in which the S atom has site symmetry 2. The dihedral angle between the two chelating N2C2 groups is 84.46 (15)°.