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(Di-2-pyridyl-amine-?(2)N(2),N(2'))diiodidoplatinum(II).

ABSTRACT: The Pt(II) ion in the title complex, [PtI(2)(C(10)H(9)N(3))], is four-coordinated in a distorted square-planar environment defined by the two pyridine N atoms of the chelating di-2-pyridyl-amine (dpa) ligand and by two I(-) anions. The dpa ligand is not planar, the dihedral angle between the pyridine rings being 52.8?(3)°. Pairs of complex mol-ecules are assembled through inter-molecular N-H?I hydrogen bonds, forming a dimer-type species. The complexes are stacked in columns along the b axis and display several inter-molecular ?-? inter-actions between the pyridine rings, with a shortest ring centroid-centroid distance of 3.997?(5)?Å.

SUBMITTER: Ha K

PROVIDER: S-EPMC3343866 | biostudies-other | 2012 Apr

REPOSITORIES: biostudies-other

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(Di-2-pyridyl-amine)-(methanol)sulfato-copper(II).

Project description:The title complex, [Cu(SO(4))(C(10)H(9)N(3))(CH(3)OH)], is a mononuclear species with the Cu(II) ion in a Jahn-Teller-distorted '4 + 1' square-pyramidal geometry. The basal plane is defined by the pyridyl N-atom donors of the bipyridyl-amine (bpa) ligand and two O-atom donors of the sulfate ligand. The coordination geometry is completed by the axial coordination of a methanol O-atom donor. The axial bond length displays the usual elongation: Cu-O(axial) = 2.168?(2), Cu-O(basal) = 2.016?(2) (average) and Cu-N(basal) = 1.951?(3)?Å (average). In the crystal structure, the complex mol-ecules are linked through N-H?O and O-H?O hydrogen bonds into chains along [100].

| S-EPMC3009304 | biostudies-literature

Aqua-dicrotonato(di-2-pyridyl-amine)cobalt(II).

Project description:The Co atom in the title complex, [Co(CH(3)CHCHCOO)(2)(C(10)H(9)N(3))(H(2)O)], has a distorted recta-ngular-pyramidal geometry formed by the chelating dipyridylamine ligand, and two O atoms of monodentate carboxyl-ate groups of two different crotonate anions and a water molecule. The complex forms a three-dimensional supra-molecular network via inter-molecular O-H⋯O, N-H⋯O and C-H⋯O hydrogen-bonding contacts.

| S-EPMC2961059 | biostudies-literature

cis-Aqua-bis-(di-2-pyridyl-amine-?N,N')iodidomanganese(II) iodide.

Project description:The asymmetric unit of the title compound, [MnI(C(10)H(9)N(3))(2)(H(2)O)]I, contains a cationic Mn(II) complex and an I(-) anion. In the complex, the Mn(II) ion is six-coordinated in a considerably distorted cis-N(4)IO octa-hedral environment defined by four N atoms of the two chelating di-2-pyridyl-amine (dpa) ligands, one I(-) anion and one O atom of a water ligand. As a result of the different trans effects of the I, N and O atoms, the Mn-N bond trans to the I atom is slightly longer than the Mn-N bond trans to the N or O atoms. The dpa ligands are not planar, with dihedral angles between the two pyridine rings of 26.2?(4) and 26.5?(4)°. The complex cations are stacked in columns along the a axis and are linked to the anions by inter-molecular O-H?I and N-H?I hydrogen bonds.

| S-EPMC3238658 | biostudies-literature

cis-Aqua-bromidobis(di-2-pyridyl-amine-?N,N')manganese(II) bromide.

Project description:In the title compound, [MnBr(C(10)H(9)N(3))(2)(H(2)O)]Br, the Mn(II) ion is six-coordinated in a considerably distorted cis-N(4)BrO octa-hedral environment defined by four N atoms of two chelating di-2-pyridyl-amine (dpa) ligands, one Br(-) anion and one O atom of a water ligand. As a result of the different trans effects of Br, N and O atoms, the Mn-N bond trans to the Br atom is slightly longer than the Mn-N bond trans to the N or O atoms. In the crystal, the dpa ligands are not planar, the dihedral angles between the two pyridine rings being 29.2?(4) and 28.2?(3)°. The complex cations and the Br(-) anions are linked by inter-molecular O-H?Br and N-H?Br hydrogen bonds. Inter-molecular ?-? inter-actions are present between the pyridine rings, with a centroid-centroid distance of 3.793?(4)?Å.

| S-EPMC3238689 | biostudies-literature

(Di-2-pyridyl-amine-κ(2)N(2),N(2'))diiodidopalladium(II).

Project description:The Pd(II) ion in the title complex, [PdI(2)(C(10)H(9)N(3))], is four-coordinated in a distorted square-planar environment defined by the two pyridine N atoms of the chelating di-2-pyridyl-amine (dpa) ligand and two I(-) anions. The dpa ligand is not planar, the dihedral angle between the pyridine rings being 51.2 (2)°. In the crystal, pairs of complex mol-ecules are assembled through inter-molecular N-H⋯I hydrogen bonds into dimeric species. The complexes are stacked in columns along the b axis and display several inter-molecular π-π inter-actions between the pyridine rings, with a shortest ring centroid-centroid distance of 3.957 (3) Å.

| S-EPMC3435574 | biostudies-literature

Bis(di-2-pyridyl-amine-?N,N')bis-(thio-cyanato-?N)nickel(II).

Project description:The mononuclear neutral title complex, [Ni(NCS)(2)(C(10)H(9)N(3))(2)], shows a cis-octa-hedral geometry around the Ni(II) ion, formed by two chelating di-2-pyridyl-amine (Hdpa) ligands and two thio-cyanate anions. Both amine H atoms are involved in N-H?S hydrogen bonding, resulting in the formation of layers of inter-linked mol-ecules parallel to the ab plane, which are further held together by weak ?-? inter-actions between adjacent complexes, involving one ring of each dipyridyl-amine unit [centroid-centroid distance = 3.777?(4)?Å], forming a three-dimensional assembly.

| S-EPMC3238757 | biostudies-literature

cis-Dichloridobis(di-2-pyridyl-amine-?N,N')manganese(II).

Project description:In the title complex, [MnCl(2)(C(10)H(9)N(3))(2)], the Mn(II) ion is six-coordinated in a considerably distorted cis-N(4)Cl(2) octa-hedral environment defined by four N atoms of two chelating di-2-pyridyl-amine (dpa) ligands and two Cl(-) anions. In the crystal, the dpa ligands are not planar, the dihedral angles between the two pyridine rings being 29.3?(2) and 30.9?(2)°. The complex mol-ecules are stacked in columns along the c axis and are connected by inter-molecular N-H?Cl hydrogen bonds, forming a three-dimensional network. Weak inter- and intra-molecular ?-? inter-actions are present between the pyridine rings, the shortest centroid-centroid distance being 4.406?(3)?Å.

| S-EPMC3254314 | biostudies-other

Dibromido(di-2-pyridyl-amine-?(2)N(2),N(2'))platinum(II).

Project description:The Pt(II) ion in the title complex, [PtBr(2)(C(10)H(9)N(3))], is four-coordinated in an essentially square-planar environment by two N atoms from a chelating di-2-pyridyl-amine (dpa) ligand and two Br(-) anions. The dpa ligand is not planar, with the dihedral angle between the pyridine rings being 40.8?(2)°. The complex mol-ecules are stacked in columns along [001] through ?-? inter-actions between the pyridine rings [centroid-centroid distances = 3.437?(3) and 3.520?(3)?Å]. Inter-molecular N-H?Br hydrogen bonds connect the mol-ecules into chains running along [010]. Intra-molecular C-H?Br interactions are also observed.

| S-EPMC3343850 | biostudies-other

Bis(di-2-pyridyl-amine-κ(2)N(2),N(2'))palladium(II) bis-(thio-cyanate).

Project description:The Pd(II) atom of the title salt, [Pd(C(10)H(9)N(3))(2)](NCS)(2), lies on a center of inversion and exists in a square-planar environment defined by the four pyridine N atoms derived from the two chelating di-2-pyridyl-amine (dpa) ligands. The chelate ring displays a boat conformation with a dihedral angle between the pyridine rings of 43.0 (1)°. Adjacent thio-cyanate ions are linked to the cations by N-H⋯N hydrogen bonds.

| S-EPMC3435575 | biostudies-literature

Bis(azido-?N)(di-2-pyridyl-amine-?(2)N(2),N(2'))palladium(II).

Project description:In the title complex, [Pd(N(3))(2)(C(10)H(9)N(3))], the Pd(II) ion is in a slightly distorted square-planar coordination environment. The ligator atoms comprise the two pyridine N atoms of the chelating di-2-pyridyl-amine (dpa) ligand and two N atoms from two azide anions. The dpa ligand coordinates the Pd atom in a boat conformation, the dihedral angle between the pyridine rings being 24.4?(1)°. The pyridine rings are somewhat inclined to the least-squares plane of the PdN(4) unit, making dihedral angles of 29.02?(9) and 26.47?(9)°. The azide ligands are slightly bent, with N-N-N angles of 173.0?(4) and 174.2?(4)°. In the crystal, mol-ecules are connected by N-H?N and C-H?N hydrogen bonds, forming chains along the c axis. When viewed down the b axis, successive chains are stacked in opposite directions. Intra-molecular C-H?N hydrogen bonds are also observed.

| S-EPMC3343901 | biostudies-other

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