catena-Poly[[bis­(methanol-κO)bis­(thio­cyanato-κN)cobalt(II)]-μ-1,3-bis­(pyridin-4-yl)propane-κ2 N,N′]

The asymmetric unit of the title compound, [Co(NCS)2(C13H14N2)(CH3OH)2], consists of one cobalt(II) cation located on a center of inversion, one half of a 1,3-bis­(pyridin-4-yl)propane ligand located on a twofold rotation axis, as well as one thio­cyanate anion and one methanol mol­ecule in general positions. The cobalt(II) cation is coordinated by two terminal N-bonded thio­cyanate anions and two N-bonded 1,3-bis­(pyridin-4-yl)propane ligands, as well as two O atoms of methanol mol­ecules in a slightly distorted octa­hedral coordination mode. Adjacent cations are connected into chains parallel to [10] by the bridging 1,3-bis­(pyridin-4-yl)propane ligands. These chains are connected through inter­molecular O—H⋯S hydrogen bonds between the methanol hy­droxy group and the terminal S atom of the thio­cyanate anion

A triclinic polymorph of poly[[bis­[μ-1,2-bis­(pyridin-4-yl)ethene-κ2 N:N′]bis­(thio­cyanato-κN)cobalt(II)] 1,2-bis­(pyridin-4-yl)ethene monosolvate]

In the crystal structure of the title compound, [Co(NCS)2(C12H10N2)2]·C12H10N2, the CoII cations are octa­hedrally coordinated by two terminally N-bonded thio­cyanate anions and four 1,2-bis­(pyridin-4-yl)ethene (bpe) ligands. The asymmetric unit consists of three crystallographically independent CoII cations, six thio­cyanate anions and six coordinating bpe ligands in general positions. Additionally, three non-coordin­ating bpe ligands are present in the asymmetric unit with two of them located on a center of inversion. The CoII cations are connected by the bpe ligands into layers parallel to the bc plane. The crystal investigated was non-merohedrically twinned, with a fractional contribution of 0.261 (2) for the minor domain

Tetra­kis(3-cyano­pyridine-κN 1)bis­(thio­cyanato-κN)cobalt(II) 1,4-dioxane disolvate

In the crystal structure of the title compound, {[Co(NCS)2(C6H4N2)4]·2C4H8O2}, the CoII cations are octa­hedrally coordinated by two terminal N-bonded thio­cyanate anions and four N-bonded 3-cyano­pyridine ligands. The asymmetric unit consists of one CoII cation, which is located on a special position with site symmetry 2/m, one thio­cyanate anion and one dioxane mol­ecule, located on a crystallographic mirror plane, as well as one 3-cyano­pyridine ligand in a general position. The crystal structure consists of discrete complexes of [Co(NCS)2(3-cyano­pyridine)4], as well as two non-coordinating 1,4-dioxane solvent mol­ecules which are disordered due to symmetry

Polymeric potassium triformatocobalt(II)

In the crystal structure of the title compound, poly[tri-μ-formato-cobalt(II)potassium], [CoK(CHO2)3]n the Co2+ cations are coordinated by six O-bonded formate anions in an octa­hedral coordination mode and the K+ cations are eightfold coordinated by seven O-bonded formate anions within irregular polyhedra. The Co2+ cations are connected by bridging formate anions into a three-dimensional coordination network in which the K+ cations are embedded. The asymmetric unit consits of one Co2+ cation located on a center of inversion, one K+ cation located on a twofold axis and two crystallographically independent formato anions, of which one is located on a twofold axis and the other occupies a general position

Bis(dicyanamido-κN)tetra­kis­(pyridine-κN)nickel(II)

In the crystal structure of the title compound, [Ni(C2N3)2(C5H5N)4], the NiII cations are coordinated by four pyridine ligands and two dicyanamide anions into discrete complexes. The shortest Ni⋯Ni separation is 8.1068 (10) Å. The structure is pseudo-centrosymmetric and can also be refined in the space group C2/c in which both anionic ligands are strongly disordered and the refinement leads to significantly poorer reliability factors

Bis(dicyanamido-κN)tetra­kis­(pyridazine-κN)nickel(II)

Reaction of nickel(II) chloride with sodium dicyanamide and pyridazine leads to single crystals of the title compound, [Ni{N(CN)2}2(C4H4N2)4], in which the NiII cation is octa­hedrally coordinated by two dicyanamide anions and four pyridazine ligands into a discrete complex that is located on a center of inversion

catena-Poly[(E)-4,4′-(ethene-1,2-di­yl)dipyridinium [[bis­(thio­cyanato-κN)ferrate(II)]-di-μ-thio­cyanato-κ2 N:S;κ2 S:N]]

In the title compound, {(C12H12N2)[Fe(NCS)4]}n, each FeII cation is coordinated by four N-bonded and two S-bonded thio­cyanate anions in an octa­hedral coordination mode. The asymmetric unit consists of one FeII cation, located on a center of inversion, as well as one protonated (E)-4,4′-(ethene-1,2-di­yl)dipyridinium dication and two thio­cyanate anions in general positions. The crystal structure consists of Fe—(NCS)2—Fe chains extending along the a axis, in which two further thio­cyanate anions are only terminally bonded via nitro­gen. Non-coordinating (E)-4,4′-(ethene-1,2-di­yl)dipyrid­inium cations are found between the chains

Poly[bis­(acetonitrile-κN)di-μ-thio­cyanato-κ2 N,S;κ2 S,N-nickel(II)]

In the title compound, [Ni(NCS)2(CH3CN)2]n, the NiII cation is coordinated by two N-bonded and two S-bonded thio­cyanate anions, as well as two acetonitrile mol­ecules in an octa­hedral NiN4S2 coordination mode. The asymmetric unit comprises one nickel cation, two thio­cyanate anions and two actonitrile mol­ecules. In the crystal, the NiII cations are connected by bridging thio­cyanate anions into a three-dimensional coordination network

Poly[aqua­bis­(μ-formato-κ2 O:O′)(μ-pyrazine-κ2 N:N′)nickel(II)]

In the title compound, [Ni(CHO2)2(C4H4N2)(H2O)], the nickel(II) cations are coordinated by three O-bonded-formato anions, two N-bonded-pyrazine ligands and one water mol­ecule in an octa­hedral coordination mode. The nickel(II) cations are connected by μ-1,3-bridging formato anions and N,N′-bridging pyrazine ligands into a three dimensional coordination network. The asymmetric unit consists of one nickel(II) cation, one water mol­ecule and two crystallograph­ically independent formato anions in general positions as well as two crystallographically independent pyrazine ligands, which are located on centers of inversion

Chloridotetra­pyridine­copper(II) dicyanamidate pyridine disolvate

In the crystal structure of the title compound, [CuCl(C5H5N)4][N(CN)2]·2C6H5N, the copper(II) cations are coordinated by one chloride anion and four N-bonded pyridine ligands into discrete complexes. The copper(II) cation shows a square-pyramidal coordination environment, with the chloride anion in the apical position. However, there is one additional chloride anion at 3.0065 (9) Å, leading to a disorted octa­hedral coordination mode for copper. The copper(II) cation, the chloride ligand and the central N atom of the dicyanamide anion are located on twofold rotation axes. Two pyridine solvent molecules are observed in general positions