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Bis(dicyanamido-κN)bis-[2-(2-hydroxy-ethyl)pyridine-κN,O]nickel(II).

ABSTRACT: In the title complex, [Ni{N(CN)(2)}(2)(C(7)H(9)NO)(2)], the Ni(II) ion (site symmetry ) adopts a distorted trans-NiO(2)N(4) octa-hedral geometry. In the crystal, inter-molecular O-H⋯N hydrogen bonds link the mol-ecules, forming a chain along the c axis.

SUBMITTER: Kong LQ

PROVIDER: S-EPMC2971932 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[bis-(3-benzoyl-pyridine-κN)zinc(II)]-di-μ-dicyanamido-κN:N].

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Tetra-aqua-bis-(pyridine-κN)nickel(II) dinitrate.

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cis-Bis(azido-κN)bis-(pyridine-2-carbox-amide-κN,O)nickel(II).

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Tetra-aqua-bis(pyridine-3-sulfonato-κN)nickel(II).

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Bis(acetato-κO,O')bis-(2-amino-pyridine-κN)nickel(II).

Project description:The title complex, [Ni(C(2)H(3)O(2))(2)(C(5)H(6)N(2))(2)], has a distorted octa-hedral geometry around the Ni atom. Inter-molecular and intra-molecular N-H⋯O hydrogen bonds exist in the crystal structure.

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Bis(dicyanamido-?N)tetra-kis-(pyridine-?N)nickel(II).

Project description:In the crystal structure of the title compound, [Ni(C(2)N(3))(2)(C(5)H(5)N)(4)], the Ni(II) 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.

| S-EPMC3379085 | biostudies-other

Bis(4,7-dichloro-1,10-phenanthroline-κN,N')bis-(dicyanamido-κN)copper(II).

Project description:In the title compound, [Cu(C(2)N(3))(2)(C(12)H(6)Cl(2)N(2))(2)], the Cu(II) atom is coordinated by two chelating 4,7-dichloro-1,10-phenanthroline (4,7-Cl-phen) ligands and two dicyanamide (dca) ligands in a cis arrangement, forming a distorted octa-hedral geometry. The equatorial plane is occupied by three N atoms from two 4,7-Cl-phen ligands and one N atom from a dca ligand at shorter Cu-N distances. Due to the Jahn-Teller effect, the axial positions are occupied by a 4,7-Cl-phen N atom and a dca N atom at longer Cu-N distances. The dca ligands are nearly planar, with a maximum deviations of 0.006 (1) Å. The crystal structure is stabilized by weak C-H⋯N hydrogen bonds, with cyanide N atoms as acceptors, and π-π inter-actions between adjacent phenyl rings [centroid-centroid distance = 3.725 (3) Å].

| S-EPMC2979476 | biostudies-literature

Crystal structure of bis-(3-bromo-pyridine-κN)bis-(O-ethyl di-thio-carbonato-κ(2) S,S')nickel(II).

Project description:In the title mol-ecular complex, [Ni(C3H5OS2)2(C5H4BrN)2], the Ni(2+) cation is located on a centre of inversion and has a distorted octa-hedral N2S4 environment defined by two chelating xanthate ligands and two monodentate pyridine ligands. The C-S bond lengths of the thio-carboxyl-ate group are indicative of a delocalized bond and the O-Csp (2) bond is considerably shorter than the O-Csp (3) bond, consistent with a significant contribution of one resonance form of the xanthate anion that features a formal C=O+ unit and a negative charge on each of the S atoms. The packing of the mol-ecules is stabilized by C-H⋯S and C-H⋯π inter-actions. In addition, π-π inter-actions between the pyridine rings [centroid-to-centroid distance = 3.797 (3) Å] are also present. In the crystal structure, mol-ecules are arranged in rows along [100], forming layers parallel to (010) and (001).

| S-EPMC4331872 | biostudies-literature

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