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Bis[2-(morpholinometh-yl)phen-yl]phenyl-phosphane.

ABSTRACT: The title compound, C(28)H(33)N(2)O(2)P, contains a penta-coordinated P atom as a result of the weak N→P intra-molecular inter-actions, with three C atoms, two N atoms and the lone pair arranged in a dicapped pseudo-tetra-hedral geometry. The morpholine rings exhibit an almost ideal chair conformation. In the crystal, two weak C-H⋯O hydrogen-bond inter-actions link the mol-ecules in layers stacked along the a axis; there are no further inter-actions between the layers.

SUBMITTER: Covaci A

PROVIDER: S-EPMC2971958 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Di-μ-chlorido-bis-{[2-(morpholinometh-yl)phenyl-κC,N]palladium(II)}.

Project description:The title compound, [Pd(2)(C(11)H(14)NO)(2)Cl(2)], has a dimeric structure with Cl atoms bridging the two Pd atoms, one half of the mol-ecule being generated by symmetry due to the crystallographic inversion centre located in the middle of the perfectly planar Pd(2)Cl(2) ring. The five-membered ring adopts an envelope conformation, while the morpholino group has a chair conformation. The geometry around the metal centres is distorted square-planar, as a result of a strong intra-molecular N→Pd coordination trans to a Pd-Cl bond. In the crystal structure, the dimeric structure is strengthened by inter-molecular C-H⋯Cl hydrogen bonds. C-H⋯C(phen-yl) inter-actions link the dimers into a columnar supra-molecular array along the a axis; the dimers are further connected by C-H⋯Ph inter-actions into a three-dimensional supra-molecular arrangement.

| S-EPMC2961971 | biostudies-literature

Bis(?-di-phenyl-phosphan-yl)bis-[(tri-methyl-phosphane)cobalt(I)](Co-Co).

Project description:The title compound, [Co2{P(C6H5)2}2(C3H9P)4], was obtained by the addition of di-phenyl-phosphane to a solution of Co(CH3)(C3H9P)4. The dinuclear complex mol-ecule exhibits inversion symmetry with the inversion centre located between the two Co(I) atoms. The short Co-Co distance of 2.3670?(8)?Å lies within the range of metal-metal double bonds. As a result of inversion symmetry, the four-membered Co2P2 core is rigorously planar, and the two bridging P(C6H5)2-ligands and the terminal C3H9P ligands are arranged in a pseudo-tetra-hedral fashion about the Co(I) atom.

| S-EPMC3884259 | biostudies-literature

trans-Tetra-carbonyl-bis-[tris-(3-fluoro-phen-yl)phosphane]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, which are trans to each other. The three benzene rings in one phosphane ligand make dihedral angles of 53.50?(9), 75.51?(10) and 80.63?(10)° with each other, while in the other ligand these angles are 51.92?(10), 78.56?(11) and 86.80?(10)°. C-H?O and C-H?F inter-actions link the mol-ecules into a three-dimensional network. Each of the F atoms is disordered over two positions with refined occupancies of 0.944?(3):0.056?(3), 0.702?(4):0.298?(4), 0.829?(4):0.171?(4), 0.567?(4):0.433?(4), 0.545?(4):0.455?(4) and 0.920?(4):0.080?(4).

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Bis{?-[(di-phenyl-phosphor-yl)meth-yl](phen-yl)bis-(1H-pyrazol-1-yl)boranuido}dilithium.

Project description:The title compound, [Li2(C25H23BN4OP)2], features a centrosymmetric dimeric complex. The four-memberered Li2O2 ring is exactly planar due to symmetry. The Li atom is four-coordinated by two O atoms and by two N atoms of two different pyrazole rings. The dihedral angle between two pyrazole rings bonded to the same B atom is 45.66?(9)°. The B-N-N-Li-N-N metalla ring adopts a boat conformation. The crystal packing is stabilized by van der Waals inter-actions only.

| S-EPMC4051015 | biostudies-literature

5,15-Bis(3,5-di-tert-butyl-phen-yl)-10,20-bis-(phenyl-ethyn-yl)porphyrin.

Project description:In the centrosymmetric title compound, C(64)H(62)N(4), the two phenyl-ethynyl groups lie at diagonal meso positions. The 24-membered porphyrin has in-plane distortion with respect to the mean plane of the macrocycle and two intra-ring bifurcated N-H?(N,N) hydrogen bonds occur. The dihedral angles between the phenyl rings in the phenyl-ethynyl group and the 3,5-bis-(tert-but-yl)phenyl group with respect to the mean plane of the porphyrin are 17.2?(2) and 59.2?(3)°. The tert-butyl groups are disordered over two sets of sites in a 0.661?(13):0.339?(13) ratio.

| S-EPMC2972159 | biostudies-literature

3,4-Bis(4-bromo-phen-yl)-N-phenyl-maleimide.

Project description:In the title mol-ecule, C(22)H(13)Br(2)NO(2), the three benzene rings are arranged in a propeller-like fashion around the central malemide ring, making dihedral angles of 48.2?(4), 30.2?(4) and 34.8?(4)° with the malemide ring. The C-C single-bond lengths connecting benzene groups and maleimide are significantly shorter [C-C = 1.468?(9) and 1.478?(9)?Å] than a typical Csp(3)-Csp(3) single bond, indicating partial conjugation between the benzene and the mal-eimide. A weak non-classical C-H?O hydrogen bond helps to stabilize the crystal structure.

| S-EPMC3089159 | 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

trans-Bis[bis-(2-methoxy-phen-yl)phenyl-phosphine-?P]dichloridopalladium(II).

Project description:The structure of the title compound, [PdCl(2)(C(20)H(19)O(2)P)(2)], shows a square-planar geometry for the Pd(II) ion within a Cl(2)Pd[PPh(PhOMe)(2)](2) ligand set. The Pd(II) atom sits on an inversion centre and therefore the asymmetric unit contains the Pd(II) atom, one Cl atom and one bis-(2-methoxy-phen-yl)phenyl-phosphine ligand. The trans arrangement of ligands is also imposed by symmetry.

| S-EPMC2971441 | biostudies-literature

2,3-Bis{[2,3-dimethyl-6-(phenyl-vin-yl)phen-yl]imino}-butane.

Project description:In the title compound, C36H36N2, a product of the condensation reaction of 2,3-dimethyl-6-phenyl-vinyl-benzenamine and 2,3-butane-dione, the complete mol-ecule is generated by the application of an inversion centre. The central C-C bond in the 1,4-di-aza-butadiene fragment is trans-configured and situated about the inversion center. The dihedral angle between the ring attached to N and the 1,4-di-aza-butadiene plane is 78.24?(36)°, while the 1,4-di-aza-butadiene plane makes an angle of 30.71?(26)° with the phenyl ring.

| S-EPMC3998296 | biostudies-literature

Crystal structures of bis-[2-(di-phenyl-phosphino-thio-yl)phen-yl] ether and bis-{2-[diphen-yl(selanyl-idene)phosphan-yl]phen-yl} ether.

Project description:The title compounds, C36H28OP2S2, (1), and C36H28OP2Se2, (2), exhibit remarkably similar structures although they are not isomorphous. The whole mol-ecule of compound (2) is generated by twofold symmetry, with the ether O atom located on the twofold axis. Both compounds have intra-molecular ?-? inter-actions between terminal phenyl rings with centroid-centroid distances of 3.6214?(16) and 3.8027?(14)?Å in (1) and (2), respectively. In the crystal of (1), short C-H?S hydrogen bonds link the mol-ecules, forming chains along [001], while in (2) there are no analogous C-H?Se inter-actions present.

| S-EPMC4257402 | biostudies-literature

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