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[(E)-2-(3,5-Dibromo-2-oxidobenzyl-ideneamino)-3-(4-hydroxy-phen-yl)propionato-?O,N,O'](dimethyl-formamide-?O)copper(II).

ABSTRACT: In the title complex, [Cu(C(16)H(11)Br(2)NO(4))(C(3)H(7)NO)](2), there are two unique mol-ecules in the asymmetric unit. Each Cu(II) atom is coordinated by two O atoms and one N atom from the tridentate ligand L(2-) [LH(2) = (E)-2-(3,5-dibromo-2-hydroxy-benzyl-idene-amino)-2-(4-hydroxy-phenyl)acetic acid] and the O atom of a dimethyl-formamide mol-ecule to give a slightly distorted square-planar geometry. The two unique mol-ecules form a dimer through weak C-H?O hydrogen bonds. In the dimer, the Cu?Cu distance is 3.712?(1)?Å. In the crystal structure, mol-ecules form a one-dimensional chain through C-H?O hydrogen bonds. These are further aggregated into a three-dimensional network by O-H?O and C-H?O hydrogen bonds.

SUBMITTER: Tan MX

PROVIDER: S-EPMC2961003 | biostudies-literature | 2008 Mar

REPOSITORIES: biostudies-literature

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[(E)-2-(3,5-Dibromo-2-oxidobenzyl-ideneamino)-3-(4-hydroxy-phen-yl)propionato-κO,N,O'](dimethyl-formamide-κO)copper(II).

Tan Ming-Xiong MX Chen Zhen-Feng ZF Neng Zhou Z Liang Hong H

Acta crystallographica. Section E, Structure reports online 20080329 Pt 4

In the title complex, [Cu(C(16)H(11)Br(2)NO(4))(C(3)H(7)NO)](2), there are two unique mol-ecules in the asymmetric unit. Each Cu(II) atom is coordinated by two O atoms and one N atom from the tridentate ligand L(2-) [LH(2) = (E)-2-(3,5-dibromo-2-hydroxy-benzyl-idene-amino)-2-(4-hydroxy-phenyl)acetic acid] and the O atom of a dimethyl-formamide mol-ecule to give a slightly distorted square-planar geometry. The two unique mol-ecules form a dimer through weak C-H⋯O hydrogen bonds. In the dimer, the ...[more]

PMID: 21202044

Similar Datasets

[(2S)-2-(3,5-Dichloro-2-oxidobenzyl-ideneamino)-3-(4-hydroxy-phen-yl)propionato-κO,N,O'](dimethyl-formamide-κO)copper(II).

Project description:In the title complex, [Cu(C(16)H(11)Cl(2)NO(4))(C(3)H(7)NO)] , the Cu(II) atom is coordinated by two O atoms and one N atom from the tridentate ligand L(2-) {LH(2) = (2S)-[2-(3,5-dichloro-2-hydroxy-benzyl-idene)-imino]-3-(4-hydroxy-phenyl)propionic acid} and one O atom from a dimethyl-formamide mol-ecule, resulting in a slightly distorted square-planar geometry. The structure forms a one-dimensional chain through weak coordination bonds [Cu⋯O 3.080 (1), Cu⋯Cl 3.269 (1) Å] and a three-dimensional network through O-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC2960937 | biostudies-literature

?-4,4'-Bipyridine-?N:N'-bis-{[2-(3,5-dibromo-2-oxidobenzyl-ideneamino)-3-hydroxy-propanoato-?O,N,O']copper(II)} monohydrate.

Project description:The title compound, [Cu(2)(C(10)H(7)Br(2)NO(4))(2)(C(10)H(8)N(2))]·H(2)O, is a binuclear copper(II) complex. Both Cu atoms are four-coordinate in a square-planar geometry. In addition, there is one water mol-ecule in the asymmetric unit. The crystal structure is stabilized by O-H?O and O-H?Br hydrogen bonds.

| S-EPMC2961693 | biostudies-literature

Aqua-{2-[(3,5-dichloro-2-oxidobenzyl-idene)amino]-3-(4-hydroxy-phen-yl)propionato-?O,N,O}copper(II) sesquihydrate.

Project description:In the title compound, [Cu(C(16)H(11)Cl(2)NO(4))(H(2)O)]·1.5H(2)O, the Cu(II) atom is coordinated by two O atoms and one N atom from the 2-[(3,5-dichloro-2-oxidobenzyl-idene)amino]-3-(4-hydroxy-phen-yl)propionate ligand, and by the O atom from a water mol-ecule in a square-planar coordination. There are two formula units in the asymmetric unit. Molecules are further assembled into a three-dimensional network through C-H?Cl contacts, a Cu?Cl weak inter-action [3.161?(2)?Å], O-H?O and C-H?O hydrogen bonds. The three water mol-ecules of the asymmetric unit are distributed over five positions with one full and two approximately half occupancies, while a tyrosine side chain in one of the complex mol-ecules is disordered over two positions [occupancies 0.507?(5) and 0.493?(5)].

| S-EPMC2961633 | biostudies-literature

{2-[(3,5-Dichloro-2-oxidobenzyl-idene)amino-κN,O]-3-methyl-penta-noato-κO}(N,N'-dimethyl-formamide-κO)copper(II).

Project description:In the title compound, [Cu(C(13)H(13)Cl(2)NO(3))(C(3)H(7)NO)], the Cu(II) atom is coordinated in a slightly distorted square-planar geometry by two O atoms and one N atom from the tridentate chiral ligand 2-[(3,5-dichloro-2-oxidobenzyl-idene)amino]-3-methyl-penta-noate and by one O atom from dimethyl-formamide. In the crystal structure, the Cu atom forms contacts with Cl and O atoms of two units (Cu⋯Cl and Cu⋯O = 3.401 and 2.947 Å, respectively), thereby forming an approximately octa-hedral arrangement. A three-dimensional network is constructed through Cl⋯Cu, O⋯Cu, Cl⋯Cl contacts and C-H⋯O hydrogen bonds.

| S-EPMC2961092 | biostudies-literature

3,5-Dibromo-2-hydroxy-benzaldehyde.

Project description:The title compound, C(7)H(4)Br(2)O(2), exhibits a layer packing structure via weak ?-? stacking inter-actions [centroid-centroid distances between adjacent aromatic rings are 4.040?(8) and 3.776?(7)?Å]. Mol-ecules in each layer are linked by inter-molecular O-H?O hydrogen bonding and Br?Br inter-actions [3.772?(4)?Å]. There are two mol-ecules in the asymmetric unit.

| S-EPMC2961300 | biostudies-literature

(2E)-N-(3,5-Dibromo-4-methoxy-phen-yl)-2-(hydroxy-imino)acetamide.

Project description:The title compound, C(9)H(8)Br(2)N(2)O(3), is planar (r.m.s. deviation = 0.030?Å) with the exception of the terminal methyl group which lies out of the plane [1.219?(3)?Å]. The conformation about the C=N double bond [1.268?(3)?Å] is E. An intra-molecular N-H?N hydrogen bond occurs. Linear supra-molecular chains along the b axis mediated by O-H?O hydrogen-bonding inter-actions feature in the crystal structure. These chains are also stabilized by weak C-H?N contacts.

| S-EPMC2979508 | biostudies-literature

Tetra-kis[?-2-(3-phenoxy-phen-yl)propionato-?O:O']bis-[(dimethyl-formamide-?O)copper(II)].

Project description:The title compound, [Cu(2)(C(15)H(13)O(3))(4)(C(3)H(7)NO)(2)], is formed by the chelate coordination of four racemic fenoprofenate (fenoprofenate is 2,3-phenoxyphenyl propionate) anions and two dimethyl-formamide mol-ecules to two copper(II) ions, building a paddle-wheel dinuclear mol-ecule. The distorted square-pyramidal coordination of each Cu(II) atom is made up of four O atoms of the four fenoprofenate units and another O atom from a dimethyl-formamide mol-ecule. The two enanti-omeric forms of the fenoprofenate anions are present in the complex, in an optically inactive centrosymmetric arrangement.

| S-EPMC2959860 | biostudies-other

2,4-Dibromo-6-[(E)-({3-[(E)-(3,5-dibromo-2-oxidobenzyl-idene)aza-nium-yl]-2,2-dimethyl-prop-yl}iminium-yl)meth-yl]phenolate.

Project description:In the title mol-ecule, C(19)H(18)Br(4)N(2)O(2), the dihedral angle between the benzene rings is 73.9?(2)°. Two intra-molecular N-H?O hydrogen bonds make S(6) ring motifs. In the crystal, mol-ecules are linked via C-H?O inter-actions, forming chains propagating along the a-axis directon. A short C?Br [3.401?(5)?Å] contact is present in the crystal structure, which is further stabilized by a ?-? inter-action [centroid-centroid distance = 3.739?(3)?Å].

| S-EPMC3275012 | biostudies-literature

3,11-Dibromo-14-(4-chloro-phen-yl)-14H-dibenzo[a,j]xanthene dimethyl-formamide monosolvate.

Project description:In the title compound, C(27)H(15)Br(2)ClO·C(3)H(7)NO, the xanthene moiety has a flattened boat conformation with a folding angle between the naphthalene units of 9.46?(3)°. The mean planes of the xanthene system and its 4-chloro-phenyl substituent are nearly perpendicular [dihedral angle = 89.43?(5)°]. The dimethyl-formamide solvent mol-ecule is disordered over two sets of sites with an occupancy ratio of 0.520?(11):0.480?(11).

| S-EPMC3344574 | biostudies-literature

(E)-N'-(3,5-Dibromo-2-hydroxy-benzyl-idene)-4-hydroxy-benzohydrazide monohydrate.

Project description:The title compound, C(14)H(10)Br(2)N(2)O(3)·H(2)O, was synthesized by the reaction of 3,5-dibromo-2-hydroxy-benzaldehyde with an equimolar amount of 4-hydroxy-benzohydrazide in methanol. The structure comprises a Schiff base unit and a water mol-ecule of crystallization. The dihedral angle between the benzene rings in the Schiff base is 1.3?(3)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H?O and N-H?O hydrogen bonds, with the water mol-ecule serving as both donor and acceptor. As a result, layers are formed, which are approximately parallel to the bc plane.

| S-EPMC2959471 | biostudies-literature

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