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(+)-{1,2-Bis[(2R,5R)-2,5-diethyl-phospho-lan-1-yl]ethane-κP,P'}(η-cyclo-octa-1,5-diene)rhodium(I) tetra-fluoridoborate.

ABSTRACT: The title compound, [Rh(C(8)H(12))(C(18)H(36)P(2))]BF(4), exhibits a rhodium(I) complex cation with a bidentate bis-phosphine ligand and a bidentate η(2),η(2)-coordinated cyclo-octa-1,5-diene ligand. The ligands form a slightly distorted square-planar coordination environment for the Rh(I) atom. An intra-molecular P-Rh-P bite angle of 83.91 (2)° is observed. The dihedral angle between the P-Rh-P and the X-Rh-X planes (X is the centroid of a double bond) is 14.0 (1)°. The BF(4) anion is disordered over two positions in a 0.515 (7):0.485 (7) ratio.

SUBMITTER: Schulz S

PROVIDER: S-EPMC3008980 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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(+)-{1,2-Bis[(2R,5R)-2,5-diethyl-phospho-lan-1-yl]ethane-κP,P'}(η-cyclo-octa-1,5-diene)rhodium(I) tetra-fluoridoborate.

Schulz Stefan S Fischer Christian C Drexler Hans-Joachim HJ Heller Detlef D

Acta crystallographica. Section E, Structure reports online 20101009 Pt 11

The title compound, [Rh(C(8)H(12))(C(18)H(36)P(2))]BF(4), exhibits a rhodium(I) complex cation with a bidentate bis-phosphine ligand and a bidentate η(2),η(2)-coordinated cyclo-octa-1,5-diene ligand. The ligands form a slightly distorted square-planar coordination environment for the Rh(I) atom. An intra-molecular P-Rh-P bite angle of 83.91 (2)° is observed. The dihedral angle between the P-Rh-P and the X-Rh-X planes (X is the centroid of a double bond) is 14.0 (1)°. The BF(4) anion is disordere ...[more]

PMID: 21588811

Similar Datasets

(+)-{1,2-Bis[(2R,5R)-2,5-dimethyl-phospho-lan-1-yl]ethane-κP,P'}(η-cyclo-octa-1,5-diene)rhodium(I) tetra-fluorido-borate.

Project description:The title compound, [Rh(C(8)H(12))(C(14)H(28)P(2))]BF(4), exhibits a rhodium(I) complex cation with a bidentate bis-phosphine ligand and a bidentate η(2),η(2)-coordinated cyclo-octa-1,5-diene. Together the ligands create a slightly distorted square-planar cordination environment for the Rh(I) atom. There are three mol-ecules in the asymmetric unit and intra-molecular P-Rh-P bite angles of 82.78 (5), 82.97 (6) and 83.09 (5)° are observed. The dihedral angles between the P-Rh-P and the X-Rh-X planes (X is the centroid of a double bond) are 14.7 (1), 14.8 (1) and 15.3 (1)°. The structure exhibits disorder of one cyclo-octa-diene ligand as well as one BF(4) anion.

| S-EPMC2979608 | biostudies-literature

Bis[1,2-bis-(dimethyl-phosphino)ethane-κP,P']rhodium(I) dichlorido[(1,2,5,6-η)-1,5-cyclo-octa-diene]rhodium(I).

Project description:In the title complex, [Rh(C(6)H(16)P(2))(2)][RhCl(2)(C(8)H(12))], the asymmetric unit contains two [Rh(dmpe)(2)] [dmpe = 1,2-bis-(dimethyl-phosphino)ethane] half-cations, lying on inversion centers, and an [RhCl(2)(cod)](-) (cod = 1,5-cyclo-octa-diene) anion, wherein Rh is coordinated by two chloride ligands and two olefinic π-bonds of the cyclo-octa-diene ligand. The Rh atoms in the cations and anion exhibit square-planar coordination and are separated without any unusual inter-actions.

| S-EPMC2959718 | biostudies-literature

Chlorido(η-cyclo-octa-1,5-diene)(N,N'-diethyl-thio-urea-κS)rhodium(I).

Project description:In the title rhodium(I) complex, [RhCl(C(8)H(12))(C(5)H(12)N(2)S)], N,N'-diethyl-thio-urea acts as a monodenate S-donor ligand. The rhodium(I) coordination sphere is completed by the Cl atom and the COD [= 1,5-cyclo-octa-diene] ligand inter-acting through the π-electrons of the double bonds. If the midpoints of these two bonds are taken into account, the Rh atom exhibits a distorted square-planar coordination. The syn conformation of the N,N'-diethyl-thio-urea ligand with respect to the Cl atom is stabilized by an intra-molecular N-H⋯Cl hydrogen bond. A weak inter-molecular N-H⋯Cl inter-action links mol-ecules along the a axis.

| S-EPMC3009226 | biostudies-literature

(1R,2R,5R,6R,9S,10S,13S,14S)-1,6,7,8,9,14,15,16,17,17-Decachloro-penta-cyclo-[12.2.1.1.0.0]octa-deca-7,15-diene.

Project description:The title compound, C(18)H(14)Cl(10), is a decachlorinated commercial flame retardant. The structure determination confirms the relative stereochemistry. The central eight-membered ring is in a chair-type conformation. In the crystal structure, there are no significant inter-molecular inter-actions and mol-ecules are separated by normal van der Waals distances.

| S-EPMC2961698 | biostudies-literature

(1R,2R,5R,6S,9R,10S,13S,14S,18R)-1,6,7,8,9,14,15,16,17,17,18-Undeca-chloro-penta-cyclo-[12.2.1.1.0.0]octa-deca-7,15-diene.

Project description:The title compound, C(18)H(13)Cl(11), is an undecachlorinated commercial flame retardant. The asymmetric unit contains two independent half-mol-ecules. The complete mol-ecules are generated by crystallographic inversion symmetry, causing the terminal H atoms and one of the Cl atoms to be disordered equally over two sites in each mol-ecule. The central eight-membered rings are in chair-type conformations. In the crystal structure, there is a single weak inter-molecular C-H⋯Cl hydrogen bond.

| S-EPMC2961815 | biostudies-literature

(η-Cyclo-octa-1,5-diene)diiodidoplatinum(II).

Project description:The monoclinic title complex, [PtI(2)(C(8)H(12))], characterized by a twisted cyclo-octa-diene ring, is similar to its Cl and Br ortho-rhom-bic homologues. The observed Pt-I bond distances of 2.6094 (5) and 2.6130 (5) Å are in the expected range for PtI(2) complexes. The C=C double bonds in the mol-ecule differ significantly [1.373 (10) and 1.403 (10) Å]. As expected for a platinum(II) complex, the Pt(II) atom is in a square-planar environment (ΣPt(α)= 359.71°).

| S-EPMC2970000 | biostudies-literature

μ-1,2-Bis(diethyl-phosphino)ethane-κP:P'-bis-{[1,2-bis-(diethyl-phosphino)ethane-κP,P']trichloridonitrosyl-tungsten(II)}.

Project description:The title binuclear compound, [W(2)Cl(6)(NO)(2)(C(10)H(22)P(2))(3)], contains two W atoms which are bridged by a bis-(diethyl-phosphino)-ethane (depe) ligand. The seven-coord-inated tungsten(II) centres display distorted penta-gonal-bipyramidal geometries with trans nitrosyl and chloride ligands. The title mol-ecule lies on a crystallographic inversion centre. The ethane group of the non-bridging depe ligand is positionally disordered, with site-occupancy factors of 0.63 and 0.37. In the crystal structure, the binuclear mol-ecules are linked by weak inter-molecular C-H⋯O and C-H⋯Cl inter-actions. In addition, weak intra-molecular C-H⋯Cl inter-actions are also present.

| S-EPMC2960239 | biostudies-literature

(Triphenyl-phosphine-κP)[1,1,1-tris-(diphenyl-phosphinometh-yl)ethane-κP,P',P'']copper(I) tetra-fluoridoborate.

Project description:In the title mononuclear Cu(I) complex, [Cu(C(18)H(15)P)(C(41)H(39)P(3))]BF(4), the cation has a basic rigid core structure reminiscent of the framework of diamond. The metal atom is coordinated by four P atoms in a distorted tetra-hedral geometry, the distortion arising from the steric hindrance of the phenyl groups. The anion is disordered over two positions, with an occupancy ratio of 0.524 (17):0.476 (17). The cations and anions are closely packed in the crystal and are in h.c.p. arrangements.

| S-EPMC2983927 | biostudies-literature

Chloridocyclo-hexyl[(1,2,5,6-η)-cyclo-octa-1,5-diene]platinum(II).

Project description:In the title complex, [Pt(C(6)H(11))Cl(C(8)H(12))], the Pt(II) ion lies in a distorted square-planar environment defined by the Cl and cyclo-hexyl C atoms and the mid-points of the two π-coordinated double bonds of cyclo-octa-1,5-diene. As a result of the different trans influences of the Cl atom and the cyclo-hexyl group, the Pt-C bonds trans to the cyclo-hexyl group are longer than those trans to the Cl atom.

| S-EPMC2971967 | biostudies-literature

Bromido[(1,2,5,6-η)-cyclo-octa-1,5-diene]methyl-platinum(II).

Project description:In the title complex, [PtBr(CH(3))(C(8)H(12))], the Pt(II) ion is in a distorted square-planar environment defined by the Br and methyl C atoms and the mid-points of the two π-coordinated double bonds of cyclo-octa-1,5-diene. As a result of the different trans influences of the Br atom and the methyl group, the Pt-C bonds trans to the methyl group [2.262 (11) and 2.261 (10) Å] are longer than those trans to the Br atom [2.118 (8) and 2.138 (9) Å].

| S-EPMC2980049 | biostudies-literature

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