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Bis[N'-(2-pyridylmethyl-ene-?N)benzo-hydrazide-?N']bis-(thio-cyanato-?N)cobalt(II).

ABSTRACT: In the title complex, [Co(NCS)(2)(C(13)H(11)N(3)O)(2)], the Co(II) centre adopts a distorted octa-hedral coordination geometry with two cis-bidentate Schiff base ligands and two cis thio-cyanate ligands. The Schiff base ligand coordinates via the imine N and pyridine N atoms. The Co(II) atom lies on a crystallographic twofold rotational axis. Non-classical inter-molecular C-H?O hydrogen bonds link the complex mol-ecules into chains along [001].

SUBMITTER: Datta A

PROVIDER: S-EPMC2977133 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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Bis[N'-(2-pyridylmethyl-ene-κN)benzo-hydrazide-κN']bis-(thio-cyanato-κN)cobalt(II).

Datta Amitabha A Chuang Nien-Tsu NT Huang Jui-Hsien JH Lee Hon Man HM

Acta crystallographica. Section E, Structure reports online 20090725 Pt 8

In the title complex, [Co(NCS)(2)(C(13)H(11)N(3)O)(2)], the Co(II) centre adopts a distorted octa-hedral coordination geometry with two cis-bidentate Schiff base ligands and two cis thio-cyanate ligands. The Schiff base ligand coordinates via the imine N and pyridine N atoms. The Co(II) atom lies on a crystallographic twofold rotational axis. Non-classical inter-molecular C-H⋯O hydrogen bonds link the complex mol-ecules into chains along [001]. ...[more]

PMID: 21583435

Similar Datasets

N'-(Di-2-pyridylmethyl-ene)benzo-hydrazide.

Project description:In the title Schiff base, C(18)H(14)N(4)O, the amido -NH- unit is connected to one of the two pyridyl N atoms at an N(-H)?N distance of 2.624?(2)?Å. The mol-ecular packing features an inter-molecular C-H?N R(2) (2)(6) hydrogen-bonding ring motif.

| S-EPMC2969230 | biostudies-other

Crystal structure of bis-(tetra-methyl-thio-urea-?S)bis(thio-cyanato-?N)cobalt(II).

Project description:In the course of systematic investigations on the synthesis of Co(NCS)2 coordination compounds with different thio-urea ligands, the title compound, [Co(NCS)2(C5H12N2S)2], was obtained. In this compound the CoII cations are coordinated by two crystallographically independent N-bonded thio-cyanate anions and two tetra-methyl-thio-urea ligands into discrete complexes that are located in general positions and show a strongly distorted tetra-hedral geometry. Inter-molecular C-H?S hydrogen bonds of different strength can be observed between the discrete complexes, which are connected by pairs of hydrogen bonds into zigzag-like chains that elongate in the b-axis direction. These chains are additionally linked by strong C-H?S hydrogen bonds along the a-axis direction, resulting in the formation of layers that are parallel to the ab plane. There is also one weak intra-molecular C-H?S hydrogen bond between two neighbouring thio-urea ligands within the complexes. Comparison of the experimental PXRD pattern with that calculated from the single-crystal data prove that a pure phase has been obtained. Thermoanalytical investigations reveal that this compound melts at 364?K and decomposes upon further heating.

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Crystal structure of di-ethano-lbis(thio-cyanato)-bis(urotropine)cobalt(II) and tetra-ethano-lbis(thio-cyanato)-cobalt(II)-urotropine (1/2).

Project description:The reaction of one equivalent Co(NCS)2 with four equivalents of urotropine (hexa-methyl-ene-tetra-mine) in ethanol leads to the formation of two compounds, namely, bis-(ethanol-κO)bis-(thio-cyanato-κN)bis-(urotropine-κN)cobalt(II), [Co(NCS)2(C6H12N4)2(C2H6O)2] (1), and tetra-kis-(ethanol-κO)bis-(thio-cyanato-κN)cobalt(II)-urotropine (1/2), [Co(NCS)2(C2H6O)4]·2C6H12N4 (2). In 1, the Co cations are located on centers of inversion and are sixfold coordinated by two terminal N-bonded thio-cyanate anions, two ethanol and two urotropine ligands whereas in 2 the cobalt cations occupy position Wyckoff position c and are sixfold coordinated by two anionic ligands and four ethanol ligands. Compound 2 contains two additional urotropine solvate mol-ecules per formula unit, which are hydrogen bonded to the complexes. In both compounds, the building blocks are connected via inter-molecular O-H⋯N (1 and 2) and C-H⋯S (1) hydrogen bonding to form three-dimensional networks.

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Crystal structures of tetra-kis-(pyridine-4-thio-amide-κN)bis-(thio-cyanato-κN)cobalt(II) monohydrate and bis-(pyridine-4-thio-amide-κN)bis-(thio-cyanato-κN)zinc(II).

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catena-Poly[[bis-(thio-cyanato-?N)cobalt(II)]-di-?-thio-urea-?(4)S:S].

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Crystal structure of bis-(N,N'-di-methyl-thio-urea-?S)bis-(thio-cyanato-?N)cobalt(II).

Project description:During systematic investigations on the synthesis of coordination polymers with Co(NCS)2 involving different thio-urea derivatives as coligands, crystals of the title compound Co(NCS)2(N,N'-di-methyl-thio-urea)2, or [Co(C3H8N2S)2(NCS)2], were obtained. These crystals were non-merohedric twins and therefore, a twin refinement using data in HKLF-5 format was performed. In the crystal structure of this compound, the CoII cations are coordinated by two N-terminally bonded thio-cyanate anions as well as two S-bonding N,N'-di-methyl-thio-urea mol-ecules, forming two crystallographically independent discrete complexes each with a strongly distorted tetra-hedral geometry. An intricate network of inter-molecular N-H?S and C-H?S hydrogen bonds can be found between the complexes. The thermogravimetric curve of the title compound shows two discrete steps in which all coligand mol-ecules have been emitted, which is also accompanied by partial decomposition of the cobalt thio-cyanate. If the measurement is stopped after the first mass loss, only broad reflections of CoS can be found in the XRPD pattern of the residue, which proves that this compound decomposes completely upon heating. However, at lower temperatures an endothermic signal can be found in the DTA and DSC curve, which corresponds to melting, as proven by thermomicroscopy.

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Diaqua-bis[2-(2-pyridylmeth-oxy)pyrazine-?N]bis-(thio-cyanato-?N)cobalt(II).

Project description:In the title complex, [Co(NCS)(2)(C(10)H(9)N(3)O)(2)(H(2)O)(2)], the Co(II) ion is located on a crystallographic twofold rotation axis and is in a slightly distorted octa-hedral CoN(4)O(2) coordination environment. The dihedral angle between the pyridine and pyrazine rings is 85.86?(10)°. In the crystal structure, inter-molecular O-H?N and O-H?S hydrogen bonds link complex mol-ecules into a three-dimensional network.

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[Bis(3-amino-prop-yl)amine-?N,N',N'']bis-(thio-cyanato-?N)cobalt(II).

Project description:The asymmetric unit of the title compound, [Co(NCS)(2)(C(6)H(17)N(3))], consists of one Co(2+) cation, two thio-cyanate anions and one bis-(3-amino-prop-yl)amine ligand, all in general positions. The cobalt cation is coordinated by five N atoms of two terminal N-bonded thio-cyanate anions and one bis-(3-amino-prop-yl)amine ligand, defining a slightly distorted square-pyramidal coordination polyhedron. The mol-ecules are held together in the crystal by weak N-H?S inter-actions.

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Diaqua-bis-[N-(pyridin-4-yl)isonicotin-amide-?N]bis-(thio-cyanato-?N)cobalt(II).

Project description:In the title compound, [Co(NCS)?(C??H?N?O)?(H?O)?], the octa-hedrally coordinated Co(II) ion lies on a crystallographic inversion center and is bound by two isothio-cyanate ligands, two aqua ligands and two N-(pyridin-4-yl)isonicotinamide (4-pina) ligands. The dihedral angle between the aromatic rings in the 4-pina ligand is 8.98?(11)°. In the crystal, the individual mol-ecular units are aggregated in three dimensions by O-H?N, O-H?S and N-H?S hydrogen-bonding pathways.

| S-EPMC3393148 | biostudies-literature

Aqua-(hexa-methyl-enetetra-mine-?N)bis-(methanol-?O)bis-(thio-cyanato-?N)cobalt(II).

Project description:In the title complex, [Co(NCS)(2)(C(6)H(12)N(4))(CH(4)O)(2)(H(2)O)], the six-coordinated Co atom has a slightly distorted octa-hedral geometry. The molecules are linked by intermolecular O-H?S and O-H?N hydrogen bonds, forming a three- dimensional crystal structure. Intramolecular C-H?N and C-H?O hydrogen bonds are also present.

| S-EPMC2960658 | biostudies-literature

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