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Crystal structure of trans-dihydrido-bis[tris-(di-methyl-amino)-phosphane-?P]platinum(II).

ABSTRACT: The mol-ecule of the title compound, [PtH2(C6H18N3P)2], has a centrosymmetric square-planar structure in which the Pt(II) atom is bonded to two H and two P atoms in a mutually trans configuration. The Pt(II) atom sits on an inversion center and thus the asymmetric unit contains only half the mol-ecule. The Pt-P and Pt-H distances are 2.2574?(10) and 1.49?(7)?Å, respectively.

SUBMITTER: Downs EL

PROVIDER: S-EPMC4438795 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of (1,3-di-methyl-thio-urea-κS)tris-(tri-phenyl-phosphane-κP)silver(I) acetate.

Project description:In the mononuclear title salt, [Ag(C3H8N2S)(C18H15P)3](CH3COO), the Ag(I) ion exhibits a distorted tetra-hedral coordination sphere defined by three P atoms from three tri-phenyl-phosphane ligands and one S atom from a 1,3-di--methyl-thio-urea ligand. In the crystal, the acetate anion is linked with the complex cation via duplex N-H⋯O hydrogen bonds [graph-set motif R (2) 2(8)].

| S-EPMC4186141 | biostudies-literature

trans-Tetra-carbonyl-bis-[tris-(4-fluoro-phen-yl)phosphane-κP]chromium(0).

Project description:In the title compound, [Cr(C(18)H(12)F(3)P)(2)(CO)(4)], the Cr atom is octa-hedrally coordinated by four carbonyl ligands and the two tertiary phosphanes that are trans to each other. The Cr atom and two carbonyl groups are on a twofold axis. The benzene rings attached to the phospho-rus atom make dihedral angles of 80.32 (5), 52.91 (5) and 83.80 (5)° with each other. In the crystal, C-H⋯O and C-H⋯F inter-molecular inter-actions form an infinite three-dimensional network.

| S-EPMC3200925 | biostudies-literature

Tri-methyl-phospho-nium trans-tetra-chlorido-bis-(tri-methyl-phosphane-κP)iridate(III).

Project description:The title compound, [HP(CH3)3][IrCl4{(H3C)3P}2], consists of a tri-methyl-phospho-nium cation and a tetra-chlorido-bis-(tri-methyl-phosphane)iridate(III) anion. The anion has an octa-hedral arrangement of ligands, with the tri-methyl-phosphane groups occupying trans positions. The Ir(III) atom sits on an inversion center with one P(CH3)3 ligand and two chloride ligands in the asymmetric unit. The tri-methyl-phospho-nium cation is disordered about a twofold rotation axis. The title compound is the first structurally characterized tetra-chlorido-bis-(phosphane)iridate complex.

| S-EPMC3998401 | biostudies-literature

trans-Tetra-carbonyl-bis-(tri-phenyl-phosphane-κP)molybdenum(0).

Project description:The well known title compound, trans-[Mo(C18H15P)2(CO)4], has not been studied previously by X-ray crystallography, unlike its cis isomer. The complex possesses crystallographically imposed inversion symmetry, with the Mo atom residing on an inversion centre (1a Wyckoff position). The two tri-phenyl-phosphane groups are arranged in a staggered orientation. Each of the phenyl groups exhibits significantly different Mo-P-C-C torsion angles ranging from 2.6 (2) to 179.4 (1)°, most likely due to steric inter-actions based upon their positions relative to the carbonyl ligands.

| S-EPMC3998249 | biostudies-literature

cis-Dichloridobis[tris-(4-chloro-phen-yl)phosphane-κP]platinum(II) acetonitrile monosolvate.

Project description:The title compound, [PtCl(2)(C(18)H(12)Cl(3)P)(2)]·C(2)H(3)N, packs as monomeric units with a square-planar geometry around the Pt(II) atom. The two tris-(4-chloro-phen-yl)phosphane ligands are coordinated in a cis orientation, with P-Pt-P and Cl-Pt-Cl angles of 99.36 (2) and 88.02 (2)°, respectively. In the crystal, C-H⋯N inter-actions are observed between the phenyl rings and the acetonitrile solvent mol-ecules.

| S-EPMC3435633 | biostudies-literature

2,2-Bis[3,5-bis-(di-methyl-amino)-phen-yl]-1,1,1,3,3,3-hexa-methyl-tris-ilane.

Project description:The title compound, C26H48N4Si3, was synthesized by the reaction of 2,2-di-chloro-tris-ilane with 3,5-bis-(di-methyl-amino)-phenyl-lithium. In the mol-ecule, the dihedral angle between the benzene rings is 57.57 (7)° and the Si-Si-Si bond angle is 110.08 (2)°. In the crystal, mol-ecules are linked via an SiC-H⋯π(ar-yl) inter-action, forming a chain along the c-axis direction.

| S-EPMC9462273 | biostudies-literature

trans-Iodido(pyrazinyl-κC(2))bis-(triphenyl-phosphane-κP)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⋯π inter-actions occur, resulting in a three-dimensional supramolecular architecture.

| S-EPMC3515155 | biostudies-literature

Crystal structure of tris-(di-methyl-amido-?N)-bis-(di-methyl-amine-?N)-zirconium(IV) iodide.

Project description:Zirconium amides have become increasingly popular and useful due to their widespread use as precursors to other zirconium complexes and their use in the production of solid oxide fuel cells (SOFCs). Herein we report the mol-ecular structure of tris-(di-methyl-amido)-bis-(di-methyl-amine)-zirconium(IV) iodide, [Zr(C2H6N)3(C2H7N)2]I. The bond lengths and bond angles are consistent with a slightly distorted trigonal-bipyramidal coordination geometry around the metal atom. N?I contacts of 3.6153?(15) and 3.5922?(14)?Å are consistent with the presence of N-H?I inter-actions. These N-H?I inter-actions link the complex cations and iodide anions into extended chains that propagate parallel to the a axis.

| S-EPMC4704753 | 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

Crystal structure of bis-(N-methyl-N-phenyl-amino)-tris-ulfane.

Project description:The title compound, C14H16N2S3, crystallized with two independent mol-ecules [(1 a ) and (1 b )] in the asymmetric unit. Both mol-ecules display a pseudo-trans conformation. The two consecutive S-S bond lengths of the tris-ulfane unit of mol-ecule (1 a ) are 2.06 (3) and 2.08 (3) Å, and 2.08 (3) and 2.07 (2) Å for mol-ecule (1 b ). Torsion angles about each of the two S-S bonds are 86.6 (2) and 87.0 (2)° for (1 a ), and -84.6 (2) and -85.9 (2)° for (1 b ). The core atoms, viz. the N-S-S-S-N moiety, of the two mol-ecules superimpose well if one is inverted on the other, but the phenyl groups do not. Thus, the two units are essentially conformational enanti-omers. In mol-ecule (1 a ), the two phenyl rings are inclined to one another by 86.7 (3)°, and in mol-ecule (1 b ), by 81.1 (3)°. In the crystal, mol-ecules are linked via C-H⋯π inter-actions, forming sheets lying parallel to (010).

| S-EPMC4518933 | biostudies-literature

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