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Di-?-iodido-bis-[(biphenyl-2-yl)(triphenyl-phosphane-?P)palladium(II)].

ABSTRACT: In the title compound, [Pd2(C12H9)2I2(C18H15P)2], the dimeric complex mol-ecule lies about an inversion center. The Pd?I?Pd bridges are slightly asymmetric, with Pd-I distances of 2.6709?(6) and 2.7486?(7)?Å. The metal atom has a slightly puckered square-planar CI2P environment, the largest deviation from the least-squares plane being 0.143?(8)?Å.

SUBMITTER: Brown S

PROVIDER: S-EPMC3588770 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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trans-Iodido(pyrazinyl-?C(2))bis-(triphenyl-phosphane-?P)palladium(II).

Project description:There are two independent mol-ecules with similar configurations in the asymmetric unit of the title complex, [Pd(C(4)H(3)N(2))I(C(18)H(15)P)(2)]. In each mol-ecule, the geometry around the Pd atom is distorted square-planar, with the Pd atom displaced by 0.0549?(12) and 0.0734?(13)?Å from the least-squares plane of the I-P-P-C atoms. The PPh(3) ligands are in trans positions, with P-Pd-P angles of 173.12?(4) and 170.29?(4)°, while the pyrazinyl ligands and I atoms, also trans to each other, form C-Pd-I angles of 179.38?(12) and 178.44?(12)°. In the crystal, C-H?? inter-actions occur, resulting in a three-dimensional supramolecular architecture.

| S-EPMC3515155 | biostudies-literature

catena-Poly[[(triphenyl-phosphane)copper(I)]-di-?-iodido-[(triphenyl-phosphane)copper(I)]-?-{1,2-bis-[1-(pyridin-4-yl)ethyl-idene]hydrazine}].

Project description:In the title coordination polymer, [Cu(2)I(2)(C(14)H(14)N(4))(C(18)H(15)P)(2)](n), the Cu(I) atom is coordinated by two I atoms, one P atom and one N atom in a fairly regular tetra-hedral arrangement. A crystallographic inversion centre generates a Cu(2)I(2) diamond with a Cu-Cu separation of 3.0120?(5)?Å. The complete N,N'-(1-pyridin-4-yl-ethethyl-idene)-hydrazine mol-ecule is also generated by inversion symmetry, and this bridging ligand leads to [011] polymeric chains in the crystal structure.

| S-EPMC3201507 | biostudies-literature

catena-Poly[[[(triphenyl-phosphane)copper(I)]-di-μ-iodido-[(triphenyl-phosphane)copper(I)]-μ-[3,6-bis-(4-pyrid-yl)-1,2,4,5-tetra-zine]] acetonitrile disolvate].

Project description:The title compound, {[Cu(2)I(2)(C(12)H(8)N(6))(C(18)H(15)P)(2)]·2CH(3)CN}(n), contains centrosymmetric dinuclear Cu(2)I(2)(PPh(3))(2) units bridged by 3,6-bis-(4-pyrid-yl)-1,2,4,5-tetra-zine ligands lying also across crystallographic inversion centers, giving a chain structure in the ab plane. The distorted tetra-hedral Cu(I) atoms in the dinuclear unit are coordinated by two bridging iodide anions, one pyridine N atom from the substituted tetra-zine ligand and one terminal triphenyl-phosphine P-atom donor. The Cu⋯Cu distance is 2.8293 (12) Å, implying a weak Cu⋯Cu inter-action.

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trans-Bromido(pyrimidinyl-?C)bis-(triphenyl-phosphane-?P)palladium(II).

Project description:In the title complex, [PdBr(C(4)H(3)N(2))(C(18)H(15)P)(2)], the geometry around the Pd atom is distorted square-planar with the Pd atom displaced by 0.0334?(14)?Å from the BrP(2)C plane. The two Ph(3)P ligands are in trans positions, defining a P-Pd-P angle of 171.78?(5)°, while the pyrimidinyl and bromide ligands are trans to each other [C-Pd-Br = 174.63?(14)°].

| S-EPMC3238722 | biostudies-literature

Bis(methyl xanthato)-κS;κS:S'-(triphenyl-phosphane-κP)palladium(II).

Project description:The title compound, [Pd(C(2)H(3)OS(2))(2)(C(18)H(15)P)], features a palladium complex with a triphenyl-phosphane ligand and two xanthate ligands, one of them coordinates in a bidentate and the other in a monodentate fashion, giving rise to a slightly distorted square-planar coordination of the Pd(II) ion. As a result of this difference in the coordination modes, the C-S bond lengths are different, viz. 1.687 (2) and 1.692 (2) Å in the bidentate ligand and 1.723 (2) Å in the monodentate ligand, whereas the non-coordinating S atom has a C-S distance of 1.649 (2) Å. The crystal packing is stabilized by C-H⋯O inter-actions.

| S-EPMC3246946 | biostudies-literature

trans-Chlorido(phenanthren-9-yl)bis-(triphenyl-phosphane)nickel(II).

Project description:The title compound, [Ni(C(14)H(9))Cl(C(18)H(15)P)(2)], was synthesized from the reaction between 9-chloro-phenanthrene, NiCl(2)·6H(2)O and triphenyl-phosphane in ethanol. The bond angles around the Ni(II) atom indicate that it exists in a slightly distorted square-planar geometry.

| S-EPMC3200669 | biostudies-literature

Di-μ-iodido-bis-{[(4-fluoro-benzoyl-methyl-ene)triphenyl-λ-phospho-rane]iodido-mercury(II)}.

Project description:In the title complex, [Hg(2)I(4)(C(26)H(20)FOP)(2)], the Hg(II) centre is four-coordinate with one short Hg-I bond [2.6895 (7) Å], one Hg-C bond and two asymmetric bridging Hg-I bonds with distances of 2.7780 (8) and 3.2599 (8) Å. The title mol-ecule has a crystallographic inversion centre at the centroid of the four-membered ring formed by the two Hg atoms and two I atoms. The crystal packing is stabilized by C-H⋯O hydrogen bonds.

| S-EPMC2961191 | biostudies-literature

cis-(Pyridin-2-ylcarbonimidodithio-ato-?S,S')bis-(triphenyl-phosphane-?P)palladium(II).

Project description:The title compound, [Pd(C(6)H(4)N(2)S(2))(C(18)H(15)P)(2)], was obtained as a minor product from the reaction of trans-PdCl(2)(PPh(3))(2) with piperazine-1,4-dicarbothioic acid bis-(pyridin-2-yl)amide. The Pd(II) atom displays a slightly distorted square-planar PdP(2)S(2) geometry with a bidentately coordinated pyridin-2-ylcarbonimidodithio-ate ligand and two triphenyl-phosphine mol-ecules, coordinated in cis positions. The crystal structure features weak ?-? [centroid-centroid distance =3.7327(15)?Å] and C-H?? inter-actions and contains an almost spherically shaped void of 50.4?Å(3) per unit cell.

| S-EPMC3050130 | biostudies-literature

trans-Bromido(pyrimidinyl-?C)bis-(triphenyl-phosphane-?P)palladium(II).

Project description:In the title complex, [PdBr(C(4)H(3)N(2))(C(18)H(15)P)(2)], the geometry around the Pd(II) atom is distorted square-planar with the Pd(II) atom displaced by 0.0150?(5)?Å from the least-squares BrP(2)C plane. Two PPh(3) ligands are in trans positions [P-Pd-P = 176.743?(17)°], while the pyrimidinyl ligand and Br atom are trans to one another [C-Pd-Br = 176.56?(5)°]. Structural parameters from NMR, IR and mass spectra are in agreement with the crystal structure of the title compound.

| S-EPMC3009198 | biostudies-other

Di-?-chlorido-bis-{[2-(di-tert-butyl-phosphan-yl)biphenyl-3-yl-?(2)C(3),P]palladium(II)} dichloro-methane disolvate.

Project description:The asymmetric unit of the title compound, [Pd(2)Cl(2)(C(20)H(26)P)(2)]·2CH(2)Cl(2), contains one half-mol-ecule of the palladium complex and a dichloro-methane solvent mol-ecule. In the complex, two Pd(II) atoms are bridged by two Cl atoms, with the other two coordination sites occupied by a C atom of the biphenyl system and a P atom, resulting in a distorted square-planar coordination geometry of the Pd(II) atom and a cyclo-metallated four-membered ring. The Pd(2)Cl(2) unit is located about an inversion center. The planes of the rings of the biphenyl system make a dihedral angle of 66.36?(11)°.

| S-EPMC3569185 | biostudies-literature

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