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{1,1'-[(2,2-Dimethyl-propane-1,3-di-yl)bis-(nitrilo-methyl-idyne)]di-2-naphthol-ato}dioxidomolybdenum(VI) dichloro-methane 1.75-solvate.

ABSTRACT: In the crystal structure of the title compound, [Mo(C(27)H(24)N(2)O(2))O(2)]·1.75CH(2)Cl(2), the Mo(VI) ion is coordinated by two oxide O atoms and by two O and two N atoms of the tetra-dentate 1,1'-[(2,2-dimethyl-propane-1,3-di-yl)bis-(nitrilo-methyl-idyne)]di-2-naphtholate Schiff base ligand in a distorted octa-hedral configuration. The compound crystallizes with 1.75 mol-ecules of dichloro-methane per complex mol-ecule. In the crystal, symmetry-related mol-ecules are linked by a number of C-H⋯O inter-actions involving both the Schiff base ligand and the partly disordered dichloro-methane solvent mol-ecules, leading to the formation of a two-dimensional network extending parallel to (101).

SUBMITTER: Monadi N

PROVIDER: S-EPMC2969995 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2,2'-[1,1'-(Propane-1,3-diyldioxy-dinitrilo)diethyl-idyne]di-1-naphthol.

Project description:The mol-ecule of the title compound, C(27)H(26)N(2)O(4), lies across a crystallographic inversion centre and adopts an l-shaped configuration. Within the mol-ecule, the two naphthalene units are approximately perpendicular, making a dihedral angle of 80.24?(5)°. The two intramolecular O-H?N hydrogen bonds, generate S(6) ring motifs. In the crystal structure, every mol-ecule links five other mol-ecules into an infinite cross-linked layered supra-molecular structure via inter-molecular C-H?O hydrogen bonds, C-H?? inter-actions and ?-? stacking inter-actions [centroid-centroid distance = 3.956?(4)?Å].

| S-EPMC2969260 | biostudies-literature

1,1'-[o-Phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol ethanol hemisolvate.

Project description:The asymmetric unit of the title compound, C(28)H(20)N(2)O(2)·0.5C(2)H(5)OH, contains two independent mol-ecules of 1,1'-[o-phenyl-enebis(nitrilo-methyl-idyne)]di-2-naphthol, denoted A and B, and one ethanol solvent mol-ecule. The hydr-oxy groups are involved in intra-molecular O-H?N hydrogen bonds influencing the mol-ecular conformations, which are slightly different in mol-ecules A and B, where the two bicyclic systems form dihedral angles of 51.93?(9) and 58.52?(9)°, respectively. In the crystal structure, a number of short inter-molecular C?C contacts with distances of less than 3.5?Å suggest the existence of ?-? inter-actions, which contribute to the stability of the crystal packing.

| S-EPMC2962146 | biostudies-literature

{2,2'-[(2,2-Dimethyl-propane-1,3-di-yl)-bis-(nitrilo-methyl-idyne)]-diphenolato}-dioxidomolybdenum(VI).

Project description:In the structure of the title compound, [Mo(C(19)H(20)N(2)O(2))O(2)], the Mo atom exhibits oxidation state +VI and is surrounded by two O atoms and the tetra-dentate Schiff base ligand 2,2'-[(2,2-dimethyl-propane-1,3-di-yl)bis-(nitrilo-methyl-idyne)]diphenolate in a distorted octa-hedral configuration. An intra-molecular C-H⋯O hydrogen bond between a methyl-ene group and one O atom of the O=Mo(VI)=O unit, as well as additional inter-molecular hydrogen bonds between neighboring mol-ecules, lead to a weakly bonded inversion-symmetric dimeric structure.

| S-EPMC2961957 | biostudies-literature

2,2'-Dichloro-1,1'-[(propane-1,3-diyldi-oxy)bis-(nitrilo-methyl-idyne)]dibenzene.

Project description:The title compound, C(17)H(16)Cl(2)N(2)O(2), assumes a V-shape configuration with a dihedral angle between the two halves of the mol-ecule of 79.60?(4)°. The asymmetric unit comprises one half-mol-ecule with a crystallographic twofold rotation axis passing through the central C atom. There are weak inter-molecular ?-? stacking inter-actions between neighbouring benzene rings with inter-molecular plane-to-plane distances of 3.277?(6) and 3.465?(5)?Å along the a and c axes, respectively. In the crystal structure, weak inter-molecular C-H?O bonds link each mol-ecule to four others to form an infinite three-dimensional network.

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1,1'-(2-Thienylmethylene)di-2-naphthol ethyl acetate solvate.

Project description:In the title compound, C(25)H(18)O(2)S·C(4)H(8)O(2), there are inter-molecular O-H?O hydrogen bonds between the main mol-ecule and the solvent molecule. The thio-phene ring is oriented at dihedral angles of 70.87?(7) and 75.36?(4)° with respect to the mean planes of the two naphthyl ring systems.

| S-EPMC2969796 | biostudies-literature

2,2'-[1,1'-(Ethyl-enedioxy-dinitrilo)diethyl-idyne]di-1-naphthol.

Project description:The complete molecule of the title compound, C(26)H(24)N(2)O(4), is generated by a crystallographic centre of inversion. There are two intra-molecular O-H?N hydrogen bonds. In the crystal structure, inter-molecular C-H?O hydrogen bonds result in zigzag chains.

| S-EPMC2969397 | biostudies-literature

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Project description:The mol-ecule of the title compound, C(31)H(34)N(2)O(4), adopts an L-shaped configuration, in which the naphthalene units are approximately perpendicular, making a dihedral angle of 87.89?(3)°. Intramolecular H-bonds are formed between the OH substituents and the N atoms at each end of the molecule. In the crystal structure, each mol-ecule links six other mol-ecules into an infinite three-dimensional network supra-molecular structure, which is built from one-dimensional zigzag chains via weak C-H?? stacking and inter-molecular C-H?O hydrogen bonds.

| S-EPMC2969467 | biostudies-literature

2,2'-{1,1'-[Butane-1,4-diyl-bis(oxy-nitrilo)]di-ethylidyne}di-1-naphthol.

Project description:The title compound, C(28)H(28)N(2)O(4), was synthesized by the reaction of 2-acetyl-1-naphthol with 1,4-bis-(amino-oxy)butane in ethanol. The molecule, which lies about an inversion centre, adopts a linear structure, in which the oxime groups and naphthalene ring systems assume an anti conformation. The intra-molecular inter-planar distance between parallel naphthalene rings is 1.054?(3)?Å. Intra-molecular O-H?N hydrogen bonds are formed between the oxime nitro-gen and hydr-oxy groups.

| S-EPMC2969537 | biostudies-literature

2,2'-{1,1'-[Pentane-1,5-diylbis(oxy-nitrilo)]diethylidyne}di-1-naphthol.

Project description:The title compound, C(29)H(30)N(2)O(4), adopts a distorted Z configuration with respect to the oxime group, which is almost coplanar with the adjacent naphthalene ring [dihedral angle = 4.11?(2)°]. There is one half-mol-ecule in the asymmetric unit, with a crystallographic twofold rotation axis passing through the central C atom of the -CH=N-O-(CH)(5)-O-N=CH- bridge. Within the mol-ecule, the dihedral angle formed by the two naphthalene rings is 79.08?(3)°, and there are two intra-molecular O-H?N hydrogen bonds.

| S-EPMC2969628 | biostudies-literature

4,4'-Dichloro-2,2'-[2,2-dimethyl-propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenol.

Project description:The crystal of the title Schiff base compound, C(19)H(20)Cl(2)N(2)O(2), contains of two crystallographically independent mol-ecules with similar conformations. In each mol-ecule, two intramolecular O-H⋯N bonds generate S(6) motifs. The N atoms are also in close proximity to two H atoms of the dimethyl-propane groups, with H⋯N distances between 2.59 and 2.62 Å. The imine group is coplanar with the benzene ring. The dihedral angles between the benzene rings in the two independent mol-ecules are 58.20 (12) and 47.95 (12)°. The structure displays short inter-molecular Cl⋯Cl [3.3869 (11) Å] and Cl⋯O [3.175 (2)-3.204 (2) Å] inter-actions. The crystal structure is further stabilized by weak inter-molecular C-H⋯O, C-H⋯π and π-π [centroid-centroid distances 3.6416 (13)-3.8705 (14) Å] inter-actions.

| S-EPMC2967979 | biostudies-literature

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