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

ABSTRACT: 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.

SUBMITTER: Yang ZN

PROVIDER: S-EPMC2959305 | biostudies-literature | 2008 Sep

REPOSITORIES: biostudies-literature

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

Yang Zhong Nian ZN

Acta crystallographica. Section E, Structure reports online 20080930 Pt 10

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. ...[more]

PMID: 21201079

Similar Datasets

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

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Bis(3-acetyl-pyridine-?N)diaqua-bis-(seleno-cyanato-?N)cobalt(II).

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Diaqua-bis[2-(benzyl-oxy)acetato]cobalt(II).

Project description:In the mononuclear title complex, [Co(C(9)H(9)O(3))(2)(H(2)O)(2)], each Co(II) atom is located on an inversion center and is hexa-coordinated by four O atoms from two benzyl-oxyacetate ligands [Co-O bond lengths = 2.0487?(9) and 2.1090?(9)?Å] and two water mol-ecules [Co-O bond length = 2.0873?(9)?Å] in a distorted octa-hedral geometry. In the crystal structure, inter-molecular hydrogen bonds and ?-? stacking inter-actions [centroid-centroid distance between phenyl rings = 3.692?(2)?Å] link the mol-ecules into a supra-molecular structure.

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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).

Project description:Reaction of Co(NCS)2 and Zn(NCS)2 with 4-pyridine-thio-amide led to the formation of compounds with composition [Co(NCS)2(C6H6N2S)4]·H2O (1) and [Zn(NCS)2(C6H6N2S)2] (2), respectively. The asymmetric unit of compound 1, consists of one cobalt(II) cation, two thio-cyanate anions, four 4-pyridine-thio-amide ligands and one water mol-ecule whereas that of compound 2 comprises one zinc(II) cation that is located on a twofold rotation axis as well as one thio-cyanate anion and one 4-pyridine-thio-amide ligand in general positions. In the structure of compound 1, the cobalt(II) cations are octa-hedrally coordinated by two terminal N-bonding thio-cyanate anions and by the N atoms of four 4-pyridine-thio-amide ligands, resulting in discrete and slightly distorted octa-hedral complexes. These complexes are linked into a three-dimensional network via inter-molecular N-H⋯S hydrogen bonding between the amino H atoms and the thio-cyanate S atoms. From this arrangement, channels are formed in which the water mol-ecules are embedded and linked to the host structure by inter-molecular O-H⋯S and N-H⋯O hydrogen bonding. In the structure of compound 2, the zinc(II) cations are tetra-hedrally coordinated by two N-bonding thio-cyanate anions and the N atoms of two 4-pyridine-thio-amide ligands into discrete complexes. These complexes are likewise connected into a three-dimensional network by inter-molecular N-H⋯S hydrogen bonding between the amino H atoms and the thio-amide S atoms.

| S-EPMC5956324 | biostudies-literature

Diaqua-bis-[bis-(pyrazin-2-yl) sulfide-κN (4)]bis-(thio-cyanato-κN)iron(II) monohydrate.

Project description:In the title compound [Fe(NCS)2(C8H6N4S)2(H2O)2]·H2O, the Fe(II) cation is coordinated by two N-bonded thio-cyanate anions, two N (4)-bonded bis-(pyrazin-2-yl) sulfide ligands and two water mol-ecules in an slightly distorted octa-hedral geometry. The Fe(II) cation is located on a center of inversion and the lattice water mol-ecule on a twofold rotation axis. The thio-cyanate anions, the coordinating water mol-ecules and the sulfide ligands occupy general positions. The complex mol-ecules and lattice water mol-ecules are linked into a three-dimensional network by O-H-N and O-H⋯O hydrogen bonds.

| S-EPMC3629478 | biostudies-literature

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