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4,4'-{[1,1'-Methyl-enebis(naphthalene-2,1-di-yl)]bis-(-oxymethyl-ene)}di-benzo-nitrile.

ABSTRACT: There are two independent mol-ecules in the asymmetric unit of the title compound, C(37)H(26)N(2)O(2). The crystal structure is stabilized by a weak intra-molecular hydrogen bond as well as C-H⋯π inter-actions.

SUBMITTER: Zhao YY

PROVIDER: S-EPMC2960981 | biostudies-literature |

REPOSITORIES: biostudies-literature

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3,3'-{1,1'-Methyl-enebis[naphthalene-2,1-diylbis(oxymethyl-ene)]}dibenzonitrile.

Project description:The title compound, C(37)H(26)N(2)O(2), was synthesized from 1,1'-methyl-enedinaphthalen-2-ol and 3-(bromo-methyl)-benzo-nitrile. The two naphthyl systems are almost perpendicular to each other [dihedral angle 83.3?(9)°] and the two cyano-benz-yloxy rings approximately parallel to each other [dihedral angle 15.5?(2)°].

| S-EPMC2961493 | biostudies-literature

1,1'-{2,2'-[1,4-Phenyl-enebis(methyl-ene)]bis-(-oxy)bis-(2,1-phenyl-ene)}diethanone.

Project description:The asymmetric unit of the title compound, C(24)H(22)O(4), contains one half-mol-ecule, the other half being generated by a crystallographic center of inversion. The central benzene ring makes a dihedral angle of 72.49?(5)° with the terminal benzene ring. In the crystal, adjacent mol-ecules are linked through C-H?O inter-actions, forming a sheet structure parallel to the bc plane. The sheets are stacked along the a axis via ?-? inter-actions formed between the terminal benzene rings [centroid-centroid separation = 3.7276?(6)?Å].

| S-EPMC3247415 | biostudies-literature

Di-tert-Butyl 2,2'-[2,2'-methyl-enebis(naphthalene-2,1-diyldi-oxy)]diacetate.

Project description:In the title compound, C(33)H(36)O(6), two naphthalene ring systems are connected through a methyl-ene linkage [C-C-C = 114.9?(2)°]; the ring systems are aligned at an angle of 76.5?(1)°. Of the two -O-CH(2)-C(=O)-C(CH(3))(3) substituents, one adopts an extended conformation whereas the other is U-shaped. In the crystal, mol-ecules are linked via weak C-H?O hydrogen bonding, forming supra-molecular chains running along the c axis.

| S-EPMC3051626 | biostudies-literature

3,3'-Di-tert-butyl-1,1'-[1,3-phenyl-enebis(methyl-ene)]diurea.

Project description:The title compound, C(18)H(30)N(4)O(2), contains two tert-butyl urea groups, each connected to a benzene ring though a methyl-ene group. One of the groups occupies a position almost normal to the aromatic plane with a C-N-C-C torsion angle of -94.4?(4)°, while the other is considerably twisted from the ring with a C-N-C-C torsion angle of -136.1?(4)°. In the crystal, pairs of mol-ecules are connected to each other, forming centrosymmetric dimers in which two NH groups of one mol-ecule act as hydrogen-bond donors to one carbonyl O atom of the other mol-ecule. The dimers are linked into sheets parallel to (100) by N-H?O hydrogen bonds involving the remaining N-H and C=O groups.

| S-EPMC2983681 | biostudies-literature

3,3'-Bis(quinolin-8-yl)-1,1'-[4,4'-methyl-enebis(4,1-phenyl-ene)]diurea.

Project description:The title compound, C(33)H(26)N(6)O(2), contains two 3-(quinolin-8-yl)urea groups linked to a diphenyl-methane. The asymmetric unit contains two mol-ecules, A and B. Each quinoline plane is essentially parallel to the attached urea unit [dihedral angles = 8.97?(18) and 8.81?(19) in molecule A and 18.47?(18) and 4.09?(19)° in molecule B]. The two benzene rings are twisted, making dihedral angles of 81.36?(8)° in A and 87.20?(9)° in B. The molecular structures are stabilized by intramolecular N-H?N hydrogen bonds. In the crystal, each urea O atom is involved in two N-H?O hydrogen bonds, generating two inter-penetrating three-dimensional sets of mol-ecules.

| S-EPMC3254500 | biostudies-literature

4,4'-{[1,2-Phenyl-enebis(methyl-ene)]bis-(-oxy)}di-benzoic acid di-methyl-formamide disolvate.

Project description:In the title solvate, C22H18O6·2C3H7NO, the complete dicarboxylic acid molecule is generated by a crystallographic twofold axis, which bisects the central benzene ring and one N,N-di-methyl-formamide solvent mol-ecule. The dihedral angle between the central and pendant benzene rings is 54.53?(5)° while that between the pendant rings is 45.44?(5)°. In the crystal, the acid molecules are linked to the solvent molecules via O-H?O and weak C-H?O hydrogen bonds. Further weak C-H?O inter-actions link adjacent acid mol-ecules into a three-dimensional network.

| S-EPMC4011299 | biostudies-literature

Crystal structure of 4,4'-bipyridine-1,1'-diium naphthalene-2,6-di-sulfonate dihydrate.

Project description:The title hydrated mol-ecular organic salt, C10H10N2 (2+)·C10H6O6S2 (2-)·2H2O, crystallized with half a bipyridinium cation, half a naphthalene-2,6-di-sulfonate anion and a water mol-ecule in the asymmetric unit. The whole cation and anion are generated by inversion symmetry, the inversion centers being at the center of the bridging C-C bond of the cation, and at the center of the fused C-C bond of the naphthalene group of the anion. In the crystal, the anions and cations stack alternately along the a axis with ?-? inter-actions [inter-centroid distance = 3.491?(1)?Å]. The anions are linked via O-H?O(sulfonate) hydrogen bonds involving two inversion-related water mol-ecules, forming chains along [10-1]. These chains are bridged by bifurcated N-H?(O,O) hydrogen bonds, forming a three-dimensional framework structure. There are also C-H?O hydrogen bonds present, reinforcing the framework structure.

| S-EPMC4186165 | biostudies-literature

1,1'-[(Biphenyl-4,4'-di-yl)bis-(methyl-ene)]di-1H-imidazol-3-ium tetra-chlorido-mercurate(II).

Project description:In the title compound, (C(20)H(20)N(4))[HgCl(4)], the Hg(II) ion is four-coordinated in a tetra-hedral environment defined by four chloride ions. The dihedral angle between the two phenyl rings is 32.83?(15)°. The protonated 1,1'-[(biphenyl-4,4'-di-yl)bis-(meth-yl-ene)]di-1H-imidazol-3-ium cations, showing a cis conformation, link the [HgCl(4)](2-) anions into an R(4) (4)(42) motif via N-H?Cl hydrogen bonds.

| S-EPMC3238662 | biostudies-literature

3,3'-Di-n-propyl-1,1'-[p-phenyl-enebis(methyl-ene)]diimidazolium dibromide.

Project description:The asymmetric unit of the title compound, C(20)H(28)N(4) (2+)·2Br(-), consists of half a 3,3'-di-n-propyl-1,1'-[p-phenyl-enenis(methyl-ene)]diimidazolium cation and a bromide anion. The cation is located on an inversion center and adopts an ?AAA? trans conformation. In the crystal, the cation is linked to the anions via weak C-H?Br hydrogen bonds.

| S-EPMC3212318 | biostudies-other

catena-Poly[(acetato-chloridozinc)-?-1,1'-[1,4-phenyl-enebis(methyl-ene)]di-1H-imidazole].

Project description:The title compound, [Zn(CH(3)CO(2))Cl(C(14)H(14)N(4))](n), is a one-dimensional coordination polymer in which the Zn(II) ion is tetrahedrally -coordinated by two N atoms of a bridging 1,1'-[1,4-phenyl-enebis(methyl-ene)]di-1H-imidazole ligand, an acetate O atom and a Cl atom. The Cl atom, two acetate O atoms and two acetate C atoms are located on a mirror plane. The coordination of the diimidazole ligand to the Zn(II) ion gives an infinite one-dimensional zigzag structure along the b-axis direction with the charge balanced by the chloride and acetate ions.

| S-EPMC3569199 | biostudies-other

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