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[N'-(3-Eth-oxy-2-oxidobenzyl-idene)-4-hy-droxy-3-meth-oxy-benzohydrazidato](methanol)dioxidomolybdenum(VI).

ABSTRACT: In the title dioxidomolybdenum(VI) complex, [Mo(C(17)H(16)N(2)O(5))O(2)(CH(3)OH)], the Mo(VI) atom is coordinated by the phenolate O, imine N and enolic O atoms of the tridentate hydrazone ligand, one methanol O atom, and two oxide O atoms, forming a distorted octa-hedral coordination geometry. The oxide O atoms adopt a cis conformation: one is trans to the methanol O atom and the other is trans to the ligand N atom. The dihedral angle between the two benzene rings in the hydrazone ligand is 4.0?(3)°. In the crystal, mol-ecules are linked by O-H?N and O-H?O hydrogen bonds.

SUBMITTER: Wang SX

PROVIDER: S-EPMC3343783 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature

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cis-(Dimethyl sulfoxide-?O)[N'-(3-eth-oxy-2-oxidobenzyl-idene-?O)-2-hy-droxy-benzohydrazidato-?N',O]dioxido-molybdenum(VI).

Project description:The coordination geometry at the Mo(VI) atom in the title compound, [Mo(C(16)H(14)N(2)O(4))O(2)(C(2)H(6)OS)], is distorted octa-hedral. The phenolate O, imino N, oxide O from the enolized carbonyl group and one of the terminal O atoms form the equatorial plane; the axial positions are occupied by the other terminal O atom of the dioxidomolybdenum group and the donor O atom of DMSO. The O=Mo=O angle is 105.31?(6)°. An intra-molecular O-H?N hydrogen bond and weak inter-molecular C-H?O hydrogen bonds are present in the structure.

| S-EPMC3152017 | biostudies-other

A new Mo Schiff base complex: methanol[N'-(3-meth-oxy-2-oxidobenzyl-idene)benzohydrazidato]dioxido-molybdenum(VI).

Project description:In the title benzil-idene Schiff base molybdenum(VI) complex, [Mo(C(15)H(12)N(2)O(3))O(2)(CH(3)OH)], the Mo(VI) ion is coordinated by two oxide O atoms and by two O atoms and one N atom of the tridentate N'-(3-meth-oxy-2-oxidobenzyl-idene)benzo-hydrazidate (L) Schiff base ligand. The methanol O atom completes the distorted octa-hedral configuration of the Mo(VI) atom. Strong O-H⋯N hydrogen bonds form a C(5) chain around a 2(1) screw axis. Weak C-H-O hydrogen bonds are also present.

| S-EPMC3152014 | biostudies-literature

[5-Chloro-2-hy-droxy-N'-(2-oxidobenzyl-idene)benzohydrazidato]dimethyl-tin(IV).

Project description:In the title compound, [Sn(CH(3))(2)(C(14)H(9)ClN(2)O(3))], the Sn(IV) ion is coordinated by one N and two O atoms from the tridentate 5-chloro-2-hy-droxy-N'-(2-oxidobenzyl-idene)benzohydrazidate (L) ligand and two methyl groups in a distorted trigonal-bipyramidal geometry. In the ligand, the hy-droxy group is involved in an intra-molecular O-H?N hydrogen bond and the two aromatic rings form a dihedral angle of 5.5?(1)°. In the crystal, weak inter-molecular C-H?O hydrogen bonds and ?-? inter-actions between the aromatic rings [centroid-centroid distance = 3.816?(3)?Å] link the mol-ecules into centrosymmetric dimers.

| S-EPMC3212120 | biostudies-literature

[N'-(5-Chloro-2-oxidobenzyl-?O)-2,4-dihy-droxy-benzohydrazidato-?N',O](methanol-?O)dioxidomolybdenum(VI)-4,4'-bipyridine (1/1).

Project description:In the title co-crystal, [Mo(C(14)H(9)ClN(2)O(4))O(2)(CH(3)OH)]·C(10)H(8)N(2), the deprotonated Schiff base O,N,O'-chelates to the Mo(VI) atom, the three atoms involved in chelation comprising the fac sites of the octa-hedron surrounding the methanol-coordinated metal atom. The methanol mol-ecule forms an O-H?N hydrogen bond to an N atom of the 4,4'-bipyridine solvent mol-ecule; the hy-droxy group of the Schiff base forms an O-H?N hydrogen bond to the other N atom of another mol-ecule. The two hydrogen bonds leading to the formation of a helical chain running along the b axis.

| S-EPMC3120353 | biostudies-other

N'-(3-Eth-oxy-2-hy-droxy-benzyl-idene)-2-hy-droxy-3-methyl-benzohydrazide.

Project description:The title compound, C(17)H(18)N(2)O(4), crystallizes with two independent mol-ecules in the asymmetric unit. The two benzene rings in each mol-ecule make dihedral angles of 7.6?(3) and 3.9?(3)°. Intra-molecular O-H?N and O-H?O hydrogen bonds are present in each mol-ecule. In the crystal, N-H?O hydrogen bonds link the mol-ecules into chains propagating in [010]. The are also a number of C-H?O and ?-? inter-actions present [centroid-centroid distances = 3.874?(4) and 3.904?(3)?Å], that result in the formation of a three-dimensional network.

| S-EPMC3275245 | biostudies-literature

(2E)-2-(3-Eth-oxy-2-hy-droxy-benzyl-idene)hydrazinecarboxamide.

Project description:The title compound, C10H13N3O3, adopts an E conformation with respect to the azomethine bond and crystallizes in the amide form. A classical intra-molecular O-H⋯N hydrogen bond is present. The two N atoms of the hydrazinecarboxamide unit are also involved in inter-molecular N-H⋯O hydrogen bonds, with the O atom of the hydrazinecarboxamide group acting as the acceptor. Pairs of N-H⋯O hydrogen bond link the mol-ecules into centrosymmetric dimers, which are linked by further N-H⋯O hydrogen bonds into chains along the b axis. The chains are linked by C-H⋯π inter-actions.

| S-EPMC3629631 | biostudies-literature

[N'-(3-Eth-oxy-2-oxidobenzyl-idene-κO)-4-methyl-benzohydrazidato-κO,N'](methano-lato-κO)oxidovanadium(V).

Project description:The title oxidovanadium(V) complex, [V(C(17)H(16)N(2)O(3))(CH(3)O)O], was obtained by the reaction of 3-eth-oxy-2-hy-droxy-benzaldehyde, 4-methyl-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is coordinated by the O,N,O'-tridentate Schiff base ligand, one methano-late O atom and one oxide O atom, forming a distorted VO(4)N square-pyramidal coordination geometry. The oxide O atom lies at the apex of the square pyramid and the N atom of the ligand and the methano-late O atom are trans. The dihedral angle between the benzene rings of the ligand is 1.8 (3)°.

| S-EPMC3246962 | biostudies-literature

(E)-N'-(4-Eth-oxy-benzyl-idene)-4-hy-droxy-benzohydrazide dihydrate.

Project description:The benzohydrazide mol-ecule of the title compound, C(16)H(16)N(2)O(3)·2H(2)O, exists in a trans conformation with respect to the C=N double bond. The central O=C-NH-N=C plane [r.m.s. deviation of 0.0165?(1)?Å for the five non-H atoms] makes dihedral angles of 6.04?(8) and 2.38?(8)°, respectively, with the hy-droxy- and eth-oxy-substituted benzene rings. The dihedral angle between these benzene rings is 3.82?(7)°. The eth-oxy group is almost coplanar with the attached benzene ring with a C-O-C-C torsion angle of -176.58?(11)°. In the crystal, the benzohydrazide and water mol-ecules are linked by N-H?O, O-H?O , O-H?N and C-H?O hydrogen bonds into a three-dimensional network.

| S-EPMC3379254 | biostudies-literature

(E)-1-(3-Eth-oxy-2-hy-droxy-benzyl-idene)thio-semicarbazide.

Project description:The title compound, C(10)H(13)N(3)O(2)S, crystallizes with two independent mol-ecules (A and B) in the asymmetric unit. In the crystal, the A and B mol-ecules are linked via pairs of N-H?O and O-H?S hydrogen bonds, forming dimers with R(2) (2)(14) and R(2) (2)(6) ring motifs. These dimers are linked via a pair of N-H?S hydrogen bonds with an R(2) (2)(8) ring motif, forming chains propagating along the c-axis direction. The crystal was refined as an inversion twin with a final BASF ratio of 0.54?(11):0.46?(11).

| S-EPMC3275025 | biostudies-literature

(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-4-hy-droxy-3-meth-oxy-benzohydrazide methanol solvate.

Project description:In the title compound, C(15)H(13)BrN(2)O(4)·CH(4)O, the two benzene rings form a dihedral angle of 3.2 (2)°. An intra-molecular O-H⋯N hydrogen bond is observed. In the crystal structure, mol-ecules are linked through O-H⋯O and N-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (10).

| S-EPMC3006942 | biostudies-literature

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