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Dicyclo-hex-yl[4-(dimethyl-amino)-phen-yl]phosphine selenide.

ABSTRACT: In the title mol-ecule, C(20)H(32)NPSe, the P atom has a distorted tetra-hedral environment resulting in an effective cone angle of 172°. Weak inter-molecular C-H?Se inter-actions are observed.

SUBMITTER: Phasha ZH

PROVIDER: S-EPMC3254574 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Dicyclo-hex-yl[4-(dimethyl-amino)-phen-yl]phosphine selenide.

Phasha Zanele H ZH Makhoba Sizwe S Muller Alfred A

Acta crystallographica. Section E, Structure reports online 20111223 Pt 1

In the title mol-ecule, C(20)H(32)NPSe, the P atom has a distorted tetra-hedral environment resulting in an effective cone angle of 172°. Weak inter-molecular C-H⋯Se inter-actions are observed. ...[more]

PMID: 22259525

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[4-(Dimethyl-amino)-phen-yl]diphenyl-phosphine selenide.

Project description:In the title compound, C(20)H(20)NPSe, the P atom lies in a distorted tetra-hedral environment. The Tolman cone angle is 157° indicating steric crowding at this atom. In the crystal, weak C-H?Se inter-actions create linked dimeric units and C-H?? inter-actions are also observed.

| S-EPMC3515250 | biostudies-literature

Dicyclo-hex-yl(4-isopropyl-phen-yl)phosphane selenide.

Project description:In the title compund, C(21)H(33)PSe, the Se=P bond is part of a distorted tetra-hedral environment on the P atom. Both cyclo-hexyl groups adopt chair conformations. A cone angle of 170° was calculated using an adaptation of the Tolman model. Inter-molecular C-H?Se and C-H?Cg contacts are observed (Cg is the centroid of the benzene ring).

| S-EPMC3295440 | biostudies-literature

(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.

| S-EPMC3238760 | biostudies-literature

Bis(2,4-dimeth-oxy-phen-yl)(phen-yl)phosphine selenide.

Project description:In the title mol-ecule, C(22)H(23)O(4)PSe, the P atom has a distorted tetra-hedral environment formed by the selenide atom [P=Se = 2.1219?(5)?Å] and three aryl rings. The orientations of the meth-oxy groups in the two 2,4-dimeth-oxy-phenyl ligands are distinct, as seen from the torsion angles: C-C-O-C = 14.7?(3) and 175.97?(17)° in one ligand, and -9.1?(2) and 5.1?(3)° in the other. In the crystal, weak inter-molecular C-H?Se inter-actions link the mol-ecules into zigzag chains propagated in [010].

| S-EPMC3050267 | biostudies-literature

Bis(2-meth-oxy-phen-yl)(phen-yl)phosphine selenide.

Project description:The title compound, C(20)H(19)O(2)PSe or SePPh(2-OMe-C(6)H(3))(2), crystallizes with two distinct orientations for the meth-oxy groups. The Se=P bond is 2.1170?(7)?Å and the cone angle is 176.0°. Intra-molecular C-H?Se inter-actions occur. In the crystal, mol-ecules are linked by inter-molecular C-H?Se inter-actions.

| S-EPMC3050330 | biostudies-literature

trans-Dichloridobis{dicyclo-hex-yl[4-(dimethyl-amino)-phen-yl]phosphane-?P}platinum(II) dichloro-methane disolvate.

Project description:In the title complex, trans-[PtCl2{P(C6H11)2(4-Me2NC6H4)}2]·2CH2Cl2, the Pt(II) atom is located on an inversion centre, resulting in a trans-square-planar geometry. Important geometric parameters are the Pt-P and Pt-Cl bond lengths of 2.3258?(6) and 2.3106?(6)?Å, respectively, and the P-Pt-Cl angles of 89.64?(2) and 90.36?(2)°. The effective cone angle for the dicyclo-hex-yl[4-(dimethyl-amino)-phen-yl]phosphane unit was calculated to be 164°. The compound crystallizes with two dichloro-methane solvent mol-ecules; one of which is severely disordered and was treated using the SQUEEZE routine in PLATON [Spek (2009 ?). Acta Cryst. D65, 148-155].

| S-EPMC3588798 | biostudies-other

trans-Dichloridobis[dicyclo-hex-yl(2,4,6-trimethyl-phen-yl)phosphane-κP]palladium(II).

Project description:The title compound, [PdCl(2)(C(21)H(33)P)(2)], forms a monomeric complex with a trans-square-planar coordination geometry about the Pd(II) atom which lies on an inversion centre. The Pd-P bond lengths are 2.3760 (13) Å, while the Pd-Cl bond lengths are 2.3172 (14) Å. The observed structure was found to be closely related to that of trans-dichloridobis[dicyclo-hex-yl(phen-yl)phosphane-κP]palladium(II), [PdCl(2){P(C(6)H(11))(2)(C(6)H(5))}(2)] [Burgoyne et al. (2012 ▶). Acta Cryst. E68, m404].

| S-EPMC3515096 | biostudies-literature

Tris(4-methyl-phen-yl)phosphine selenide.

Project description:In the title mol-ecule, C(21)H(21)PSe or PSe(C(7)H(7))(3), the P atom has a distorted PSeC(3) tetra-hedral environment, formed by the Se atom [P=Se = 2.1119?(5)?Å] and three aryl rings. Two short intra-molecular C-H?Se contacts occur. In the crystal, weak inter-molecular C-H?Se inter-actions link the mol-ecules into zigzag double chains propagating in [100]. The previous report of this structure [Zhdanov et al. (1953 ?). Dokl. Akad. Nauk SSSR (Russ.) (Proc. Nat. Acad. Sci. USSR), 92, 983-985] contained no geometrical data.

| S-EPMC3050420 | biostudies-other

trans-Dichloridobis[dicyclo-hex-yl(4-isopropyl-phen-yl)phosphane-?P]platinum(II) acetone monosolvate.

Project description:The title compound, [PtCl(2)(C(21)H(33)P)(2)]·C(3)H(6)O, crystallizes with an accompanying acetone solvent mol-ecule. The metal atom shows a distorted square-planar coordination environment, with a P-Pt-P angle of 172.41?(3)° as the most prominent feature. Both isopropyl fragments were treated as disordered over two conformations with occupancy ratios of 0.55?(2):0.45?(2) and 0.58?(2):0.42?(2). The solvent mol-ecule was also disordered over two orientations in a 1:1 ratio. The crystal studied was a non-merohedral twin with a twin component of 32.4%.

| S-EPMC3254293 | biostudies-literature

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.

| S-EPMC3200912 | biostudies-literature

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