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(Acetyl-acetonato-?(2)O,O')[(2-bromo-phen-yl)diphenyl-phosphane-?P]carbonyl-rhodium(I).

ABSTRACT: In the title compound, [Rh(C(5)H(7)O(2))(C(18)H(14)BrP)(CO)], the Rh(I) atom adopts a slightly distorted square-planar geometry involving two O atoms [Rh-O = 2.077?(2) and 2.033?(2)?Å] of the acetyl-acetonate ligand, one carbonyl C atom [Rh-C = 1.813?(2)?Å] and one P atom [Rh-P = 2.242?(5)?Å] of the PPh(2)(2-BrC(6)H(4)) phosphane ligand. Difference electron density maps indicate a disorder of the Br atom over two positions in an approximate 0.95:0.05 ratio. However, this disorder could not be resolved satisfactorily with the present data.

SUBMITTER: Davis WL

PROVIDER: S-EPMC3343868 | biostudies-other | 2012 Apr

REPOSITORIES: biostudies-other

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trans-Bis[(2-bromo-phen-yl)diphenyl-phosphane-?P]carbonyl-chlorido-rhodium(I).

Project description:The title compound, trans-[RhCl(C(18)H(14)BrP)(2)(CO)], has a slightly disordered square-planar geometry with the Rh ion(I) situated on an inversion the centre and carbon-yl-chloride disorder observed as a result of the crystallographic inversion symmetry. Selected geometric parameters include: Rh-P = 2.3430?(8)?Å, Rh-Cl = 2.434?(3)?Å, Rh-C = 1.722?(8)?Å, P-Rh-P = 180.00?(3)°, P-Rh-Cl = 95.40?(7)°, 84.60?(7)° and Rh-C-O = 177.9?(8)°.

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(Acetyl-acetonato-?O,O')carbon-yl{dicyclo-hex-yl[4-(dimethyl-amino)-phen-yl]phosphane-?P}rhodium(I).

Project description:The title compound, [Rh(C(5)H(7)O(2))(C(20)H(32)NP)(CO)], features an acetyl-acetonate-chelated Rh(I) cation coordinated by one P [Rh-P = 2.2525?(7)?Å], one carbonyl C [Rh-C = 1.792?(3)?Å] and two O [Rh-O = 2.0582?(17) and 2.0912?(18)?Å] atoms in a slightly distorted square-planar geometry. Mol-ecules are packed in positions of least steric hindrance, with the phosphane ligands positioned above and below the Rh-acetyl-acetonate backbone.

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(Acetyl-acetonato-?(2)O,O')carbon-yl[tris-(4-chloro-phen-yl)phosphane-?P]rhodium(I).

Project description:The title compound, [Rh(C(5)H(7)O(2))(C(18)H(12)Cl(3)P)(CO)], contains the bidentate acetyl-acetonate ligand coordinated to the Rh(I) atom, forming a chelate ring [Rh-O = 2.0327?(15) and 2.0613?(14)?Å]. The Rh(I) atom is additionally coordinated by one P [Rh-P = 2.2281?(6)?Å] and one carbonyl C [Rh-C = 1.812?(2)?Å] atom, resulting in a slightly distorted square-planar geometry. The mol-ecules are packed to minimize steric hindrance with the phosphanes positioned above and below the slightly distorted square geometrical plane.

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trans-Carbonyl-chloridobis[diphen-yl(4-vinyl-phen-yl)phosphane-?P]rhodium(I).

Project description:In the title compound, trans-[RhCl(C(20)H(17)P)(2)(CO)], the Rh(I) atom is situated on a center of symmetry, resulting in a statistical 1:1 disorder of the chloride [Rh-Cl = 2.383?(2)?Å] and carbonyl [Rh-C = 1.752?(7)?Å] ligands. The distorted trans square-planar environment is completed by two P atoms [Rh-P = 2.3251?(4)?Å] from two diphen-yl(4-vinyl-phen-yl)phosphane ligands. The vinyl group is disordered over two sets of sites in a 0.668?(10):0.332?(10) ratio. The crystal packing exhibits weak C-H?Cl and C-H?O hydrogen bonds and ?-? inter-actions between the phenyl rings of neighbouring mol-ecules, with a centroid-centroid distance of 3.682?(2)?Å.

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(Acetyl-acetonato-?(2)O,O')carbon-yl[dicyclo-hex-yl(2,6-diisopropyl-phen-yl)phosphane-?P]rhodium(I).

Project description:In the title compound, [Rh(C(5)H(7)O(2)){C(12)H(17)P(C(6)H(11))(2)}(CO)], the Rh(I) atom is coordinated by one carbonyl C, one P and two O atoms, forming a slighlty distorted square-planar configuration.

| S-EPMC3379078 | biostudies-other

trans-Carbonyl-chloridobis[tris-(4-chloro-phen-yl)phosphane]rhodium(I) acetone monosolvate.

Project description:The title compound, trans-[RhCl(C(18)H(12)Cl(3)P)(2)(CO)]·C(3)H(6)O, contains an Rh(I) atom in a distorted square-planar coordination with a P-Rh-P angle of 175.27?(2)° and Rh-P bond lengths of 2.3127?(4) and 2.3219?(4)?Å. The rhodium complexes link each other through weak inter-molecular contacts between the acetone methyl groups and the carbonyl O atom. Inter-actions between the acetone solvent mol-ecule and the Cl-Rh unit results in a reduced P-Rh-Cl angle of 86.675?(15)°.

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trans-Carbonyl-chloridobis[dicyclo-hex-yl(4-isopropyl-phen-yl)phosphane]rhodium(I) acetone monosolvate.

Project description:The title rhodium Vaska-type complex, trans-[RhCl{P(C(6)H(11))(2)(C(6)H(4)-4-C(3)H(7))(2)}(2)(CO)], crystallizes with an accompanying acetone solvent mol-ecule. The metal atom shows a distorted square-planar coordination environment with selected important geometrical parameters of Rh-P = 2.3237 (6) and 2.3253 (6) Å, Rh-Cl = 2.3724 (6) Å, Rh-C = 1.802 (2) Å, P-Rh-P = 173.42 (2)° and Cl-Rh-C = 179.13 (7)°. Effective cone angles for the two P atoms are 165 and 161°, respectively. Both isopropyl groups and the acetone mol-ecule are disordered with occupancy values of 0.523 (5):0.477 (5), 0.554 (8):0.446 (8) and 0.735 (4):0.265 (4), respectively. The crystal packing is stabilized by weak C-H⋯O and C-H⋯Cl contacts.

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