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1,4-Bis(imidazol-1-yl)benzene-terephthalic acid (1/1).

ABSTRACT: In the title compound, C(12)H(10)N(4)·C(8)H(6)O(4), 1,4-bis-(imidazol-1-yl)benzene and terephthalic acid mol-ecules are joined via strong O-H⋯N hydrogen bonds to form infinite zigzag chains. Both mol-ecules are located on crystallographic inversion centers. The O-H⋯N hydrogen-bonded chains are assembled into two-dimensional layers through weak C-H⋯O and strong π-π stacking inter-actions [centroid-centroid distance = 3.818 (2) Å], leading to the formation of a three-dimensional supra-molecular structure.

SUBMITTER: Zhang S

PROVIDER: S-EPMC2967945 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1,4-Bis(4,5-dihydro-1H-imidazol-2-yl)benzene-terephthalic acid-water (1/1/4).

Project description:The asymmetric unit of the title compound, C(12)H(14)N(4)·C(8)H(6)O(4)·4H(2)O, consists of one half of the 1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene (bib) mol-ecule, one half of the terephthalic acid (TA) mol-ecule and two water mol-ecules. Both the bib and the TA mol-ecules reside on crystallographic inversion centers, which coincide with the centroids of the respective benzene rings. The bib and the TA, together with the water mol-ecules, are linked through inter-molecular O-H?O, O-H?N and N-H?O hydrogen bonds, forming a three-dimensional network of stacked layers. Weak inter-molecular C-H?O contacts support the stability of the crystal structure.

| S-EPMC2971323 | biostudies-literature

Poly[[[silver(I)-?-1,4-bis-[(imidazol-1-yl)meth-yl]benzene-?N:N-silver(I)-?-1,4-bis-[(imidazol-1-yl)meth-yl]benzene-?N:N] 4,4'-diazenediyldibenzoate] dihydrate].

Project description:In the title compound, [Ag(2)(C(14)H(14)N(4))(2)](C(14)H(8)N(2)O(4))·2H(2)O, each of the two unique Ag(+) ions is two-coordinated by two N atoms from two different 1,4-bis-[(imidazol-1-yl)meth-yl]benzene ligands in an almost linear fashion [N-Ag-N = 170.34?(10) and 160.25?(10)°]. The 4,4'-diazenediyldibenzoate anions do not coordinate to Ag. O-H?O hydrogen bonds stabilize the crystal structure.

| S-EPMC3100071 | biostudies-literature

Poly[bis-[μ-1,4-bis-(imidazol-1-ylmeth-yl)benzene]dichloridocadmium(II)].

Project description:The title compound, [CdCl(2)(C(14)H(14)N(4))(2)](n), has a slightly distorted octa-hedral coordination geometry, formed by four N atoms from 1,4-bis-(imidazol-1-ylmeth-yl)benzene ligands and two Cl atoms, giving a two-dimensional network. The Cd atom lies on a centre of inversion.

| S-EPMC2961887 | biostudies-literature

catena-Poly[[dichloridozinc(II)]-?-1,4-bis-(1H-imidazol-1-yl)benzene].

Project description:In the title one-dimensional coordination polymer, [ZnCl(2)(C(12)H(10)N(4))](n), the Zn(II) atom (site symmetry 2) is coordinated by two chloride ions and two 1,4-bis-(imidazol-1-yl)benzene ligands, generating a distorted tetra-hedral ZnCl(2)N(2) geometry for the metal ion. The bridging ligand, which is completed by crystallographic inversion symmetry, links the Zn(II) atoms into zigzag chains propagating in [101]. Within the ligand, the dihedral angle between the central benzene ring and terminal imidazole ring is 27.82?(13)°.

| S-EPMC3011715 | biostudies-literature

1,4-Bis(4,5-dihydro-1H-imidazol-2-yl)benzene-4-amino-benzene-sulfonic acid-water (1/2/2).

Project description:The asymmetric unit of the title compound, C(12)H(14)N(4)·2C(6)H(7)NO(3)S·2H(2)O, contains one half of a centrosymmetric 1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene (bib) molecule, one 4-amino-benzene-sulfonic acid molecule and one water mol-ecule. In the bib molecule, the imidazole ring adopts an envelope conformation. The benzene rings of bib and 4-aminobenzenesulfonic acid are oriented at a dihedral angle of 21.89 (4)°. In the crystal structure, inter-molecular N-H⋯O, O-H⋯N and O-H⋯O inter-actions link the mol-ecules into a three-dimensional network. Weak π-π contacts between the benzene and imidazole rings and between the benzene rings [centroid-centroid distances = 3.895 (1) and 3.833 (1) Å, respectively] may further stabilize the structure.

| S-EPMC2969902 | biostudies-literature

Poly[[?-1,4-bis-(imidazol-1-ylmeth-yl)benzene]bis-(?(4)-cyclo-hexane-1,4-dicarboxyl-ato)dinickel(II)].

Project description:The structure of the polymeric title compound, [Ni(2)(C(8)H(10)O(4))(2)(C(14)H(14)N(4))](n), features a five-coordinate Ni(II) centre defined by four carboxyl-ate O atoms from two different cyclo-hexane-1,4-dicarboxyl-ate (chdc) ligands and an N atom from one end of a 1,4-bis-(imidazol-1-ylmeth-yl)benzene (1,4-bix) mol-ecule. The NO(4) coordination geometry is distorted square-pyramidal with the N atom in the apical position. Each end of the chdc ligand links pairs of Ni(II) atoms into a paddle-wheel assembly, i.e. Ni(2)(O(2)CR')(4). These are connected into rows owing to the bridging nature of the chdc ligands, and the rows are connected into a two-dimensional grid via the 1,4-bix ligands. The 1,4-bix ligand, which is disposed about a centre of inversion, is disorderd. Two positions of equal occupancy were discerned for the -H(2)C(C(6)H(4))CH(2)- residue.

| S-EPMC2977293 | biostudies-literature

Poly[zinc(II)-[?-1,4-bis-(imidazol-1-yl-methyl)benzene]-?-4,4'-oxydibenzoato].

Project description:In the title compound, [Zn(C(14)H(8)O(5))(C(14)H(14)N(4))](n), the coordination polyhedron around each Zn(II) atom is a distorted tetra-hedron. The ligands bridge the Zn atoms to form a two-dimensional (4,4)-network.

| S-EPMC2960729 | biostudies-literature

Poly[[?(2)-1,4-bis-(imidazol-1-ylmeth-yl)benzene]bis-(?(4)-cyclo-hexane-1,4-dicarboxyl-ato)dicobalt(II)].

Project description:In the title compound, [Co(2)(C(8)H(10)O(4))(2)(C(14)H(14)N(4))](n), the two Co(II) atoms are both five-coordinated by four carboxyl-ate O atoms, derived from two different cyclo-hexane-1,4-dicarboxyl-ate (chdc) ligands, and an N atom, derived from one end of a 1,4-bis-(imidazol-1-ylmeth-yl)benzene mol-ecule (1,4-bix), in a distorted square-pyramidal environment. Each end of the chdc ligand links pairs of Co(II) atoms into a paddle-wheel assembly, i.e. Co(2)(O(2)CR')(4); these are connected into rows because of the bridging nature of the chdc ligands, and the rows are further connected into a two-dimensional layer through the 1,4-bix ligands. The 1,4-bix ligand, which is disposed about a centre of inversion, is disorderd. Two positions were discerned for the -CH(2)(C(6)H(4))CH(2)- residue, with the major component having a site-occupancy factor of 0.512?(9).

| S-EPMC2970306 | biostudies-literature

Poly[bis-[?-1,4-bis-(imidazol-1-ylmeth-yl)benzene]-dichloridomanganese(II)].

Project description:In the crystal structure of the title compound, [MnCl(2)(C(14)H(14)N(4))(2)](n), the Mn(II) atom, lying on an inversion center, is coordinated by four N atoms from four 1,4-bis-(imidazol-1-ylmeth-yl)benzene (bimb) ligands and two Cl(-) anions in a distorted octa-hedral geometry. The bimb ligands bridge the Mn(II) atoms, forming a two-dimensional polymeric complex, which is composed of a 52-membered [Mn(4)(bimb)(4)] ring with distances of 7.7812?(2) and 27.4731?(9)?Å between opposite metal atoms. Weak C-H?? inter-actions are present in the crystal structure.

| S-EPMC3212256 | biostudies-other

Bis[μ-1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene-κN:N]silver(I) dinitrate dihydrate.

Project description:The reaction of 1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene (bib) with silver(I) nitrate in a 1:1 molar ratio generates the metallacyclic title complex, [Ag(2)(C(12)H(14)N(4))(2)](NO(3))(2)·2H(2)O, in which the bib ligand displays a cis configuration. Each bib ligand acts as a bidentate bridging ligand connecting a pair of Ag(I) ions to form a [2 + 2] metallamacrocycle in which the Ag⋯Ag distance is 6.77 (2) Å. Each Ag(I) ion has weak contacts (2.91 Å) with the nitrate anion. The uncoordinated water mol-ecules make hydrogen bonds with nitrate O atoms, forming chains. The H atoms attached to the uncoordinated nitro-gen inter-act with these chains through N-H⋯O hydrogen bonds, forming layers parallel to the (11) plane.

| S-EPMC2960425 | biostudies-literature

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