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The title compound, trans-[RhCl(C18H12Cl3P)2(CO)]·C3H6O, 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 inter­molecular contacts between the acetone methyl groups and the carbonyl O atom. Inter­actions between the acetone solvent mol­ecule and the Cl—Rh unit results in a reduced P—Rh—Cl angle of 86.675 (15)°.

The title compound, [PtCl2(C21H33P)2]·C3H6O, crystallizes with an accompanying acetone solvent mol­ecule. 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 mol­ecule 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%.

In the title complex, trans-[PtCl2{P(C6H11)2(4-Me2NC6H4)}2]·2CH2Cl2, the PtII 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 dicyclo­hex­yl[4-(dimethyl­amino)­phen­yl]phosphane unit was calculated to be 164°. The compound crystallizes with two dichloro­methane solvent mol­ecules; one of which is severely disordered and was treated using the SQUEEZE routine in PLATON [Spek (2009 ▶). Acta Cryst. D65, 148–155].

In the title compound, [PtCl2(C21H21O3P)2]·2C3H6O, the asymmetric unit contains a PtII ion situated on an inversion center, one chloride anion, one tris­(4-meth­oxy­lphen­yl)phosphane (L) ligand and one acetone solvent mol­ecule. The PtII ion is coordinated by two P atoms [Pt—P = 2.3196 (5) Å] from two L ligands and two chloride anions [Pt—Cl = 2.3075 (5) Å] in a distorted square-planar geometry with P—Pt—Cl angles of 88.016 (16) and 91.984 (16)°. The effective cone angle of the phosphane ligand was calculated to be 156°. Weak C—H⋯O and C—H⋯Cl hydrogen bonds hold mol­ecules together.

The title compound, [Rh(C5H7O2)(C18H12Cl3P)(CO)], contains the bidentate acetyl­acetonate ligand coordinated to the RhI atom, forming a chelate ring [Rh—O = 2.0327 (15) and 2.0613 (14) Å]. The RhI 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 mol­ecules are packed to minimize steric hindrance with the phosphanes positioned above and below the slightly distorted square geometrical plane.

The title compound, [PtCl2(C20H20P)2]·C4H8O2, crystallizes with the Pt atom in a distorted cis-square-planar geometry. The Pt—P bond lengths are 2.2490 (19) and 2.253 (2) Å, and the Pt—Cl bond lengths are 2.344 (2) and 2.3475 (18) Å. Some weak C—H⋯Cl and C—H⋯O inter­actions involving the solvate mol­ecule were observed.

The title compound, [PdCl2(C21H12F9P)2]·CH2Cl2, crystallizes with two independent complex molecules (each having the PdII atom situated on an inversion centre) and a dichloro­methane molecule in the asymmetric unit. The independent PdII atoms are in perfectly linear orientations of the ligands in mutually trans positions, but distortions of the Cl—Pd—P angles ranging from 86.151 (19) to 93.849 (19)° are evident. The effective cone angles for the tris­[4-(trifluoro­meth­yl)phen­yl]phosphane ligand were calculated to be 159 and 161°. In the crystal, weak C—H⋯Cl/F inter­actions create a three-dimensional supramolecular network. Loose packing at two of the –CF3 groups resulted in large thermal vibrations which were treated as two-component disorders [occupancy ratios 0.50:0.50 and 0.628 (15):0.372 (15)].

The reaction of (η3-all­yl)[(1,2,5,6-η)-cyclo­octa-1,5-diene]rhodium(I) with tris­(2,4-di-tert-butyl­phen­yl)phosphite in toluene produces the title compound, [Rh(C42H62O3P)(C8H12)]·C7H8, by spontaneous metallation at one of the nonsubstituted phenyl ortho-C atoms of the phosphite mol­ecule. The coordination geometry at the RhI ion is distorted square-planar. The toluene solvent mol­ecule is disordered over two different orientations, with site-occupation factors of 0.810 (2) and 0.190 (2).

In the dimeric title compound, [Pd2Cl4{P(C8H9)3}2]·CH2Cl2, the metal complex molecule is situated about an inversion centre and is accompanied by a dichloro­methane solvent mol­ecule situated on a twofold rotation axis. The PdII atom has a slightly distorted square-planar coordination sphere. The effective cone angle for the tris­(3,5-dimethyl­phen­yl)phos­phane ligand was calculated to be 169°. In the crystal, the metal complex and solvent mol­ecules are linked via C—H⋯Cl inter­actions, generating chains along [10-2]. There are also C—H⋯π and weak π–π inter­actions present [centroid–centroid distance = 3.990 (2) Å, plane–plane distance = 3.6352 (15) Å and ring slippage = 1.644 Å], forming of a three-dimensional structure.

The title compound, [PdCl2(C21H33P)2], forms a monomeric complex with a trans-square-planar coordination geometry about the PdII 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[dicyclo­hex­yl(phen­yl)phosphane-κP]palladium(II), [PdCl2{P(C6H11)2(C6H5)}2] [Burgoyne et al. (2012 ▶). Acta Cryst. E68, m404].

In the title compound, [PtCl2(C18H15P)2]·CHCl3, each PtII centre adopts a nearly square-planar coordination geometry formed by two P atoms [Pt—P = 2.2481 (17) and 2.2658 (19) Å] and two Cl anions [Pt—Cl = 2.3244 (19) and 2.3548 (17) Å]. The Cl atoms of the chloro­form solvent mol­ecule are disordered over two orientations in a 0.778 (11):0.222 (11) ratio. The crystal packing is stabilized by weak inter­molecular C—H⋯Cl hydrogen bonds, exhib­iting voids with a volume of 215 Å3.

In the title compound, [PdCl2(C15H11NO3)2]·CHCl3, the PdII atom adopts a slightly distorted square-planar coordination geometry composed of two Cl atoms in cis positions and two C atoms from isocyano­phenyl ligands. The mol­ecular conformation is stabilized by π–π stacking inter­actions [shortest centroid–centroid distance = 3.600 (1) Å] between substituted benzene rings of different ligands. The crystal packing is characterized by C—H⋯O and C—H⋯Cl inter­actions involving the chloro­form solvent mol­ecules.

The absolute configuration of the title mol­ecule, [Fe(C5H5)(C38H34NP2)]·CHCl3, is R,R p. The mol­ecular structure is similar to the structure of the solvent-free compound [Fukuzawa, Yamamoto & Kikuchi (2007 ▶). J. Org. Chem. 72, 1514–1517], but some torsion angles about the P—Cphen­yl bonds differ by up to 25°. The P atoms and the N atom have a distorted trigonal-pyramidal geometry. The chloro­form solvate group donates a C—H⋯π bond to the central benzene ring and is also involved in six inter­molecular C—H⋯Cl contacts with H⋯Cl distances between 2.96 and 3.13 Å.

Both the platininum complex and the solvent mol­ecule of the title compound, [PtBr2(C18H15P)2]·CHCl3, are located on a twofold rotation axis. The CH unit and the Cl atoms of the CHCl3 mol­ecule are disordered over two equally occupied positions. The complex shows a trans square-planar geometry about the Pt atom.

The asymmetric unit of the title triangulo-triruthenium compound, [Ru3(C21H21AsO3)(C26H24P2)(CO)9]·CHCl3, consists of one mol­ecule of the triangulo-triruthenium complex and one chloro­form solvent mol­ecule. The bis(diphenyl­phosphan­yl)ethane ligand bridges an Ru—Ru bond and the monodentate arsane ligand bonds to the third Ru atom. Both the arsane and phosphine ligands are equatorial with respect to the Ru3 triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three arsane-substituted benzene rings make dihedral angles of 52.72 (19), 63.03 (19) and 88.19 (19)° with each other. The dihedral angles between the two benzene rings are 85.8 (2) and 89.2 (2)° for the two diphenyl­phosphanyl groups. In the crystal, mol­ecules are linked together into a three-dimensional network via inter­molecular C—H⋯O hydrogen bonds. Weak inter­molecular C—H⋯π inter­actions further stabilize the crystal structure.

The title compound, [Fe(NO)2(C18H12F3P)2]·CHCl3, belongs to the family of metal dinitrosyl compounds with the general formula Fe(NO)2(L)x, referred to collectively as ‘dinitrosyl iron compounds’ (DNICs). Herein we report the structure of a dinitrosyl iron diphosphane complex, (Fe(NO)2 L 2, with L = P(C6H4-p-F)3. The structure includes one metal complex mol­ecule and one chloro­form solvent mol­ecule. The iron atom is tetra­hedrally coordinated with two phosphane ligands and with two NO groups with Fe—N—O angles of 178.1 (2) and 177.0 (2)°.

In the title compound, [Pd(CH3)(C26H14F18NOP)(C2H3N)][SbF6]·0.5CH2Cl2, the Pd2+ cation has a distorted square-planar environment, being coordinated by the acetonitrile [Pd—N = 2.078 (8) Å] and methyl [Pd—C = 2.052 (9) Å] groups and the bidentate ligand 2-(1-{bis­[2,4,6-tris­(trifluoro­meth­yl)phen­yl]phosphan­yloxy}-1-methyl­eth­yl)pyridine (L). In L, one –CF3 group is rotationally disordered between two orientations in a 1:1 ratio. The solvent mol­ecule was treated as disordered between two positions related by an inversion center with occupancies fixed at 0.5. The crystal packing exhibits weak inter­molecular C—H⋯F contacts.

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C25H22As2)(C18H12Cl3P)(CO)9]·CHCl3, consists of two mol­ecules (A and B) of the triangulo-triruthenium complex and one mol­ecule of chloro­form solvent. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate phosphine ligand bonds to the third Ru atom. Both the phosphine and arsine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three phosphine-substituted benzene rings make dihedral angles of 73.5 (3), 57.2 (3) and 75.7 (3)° with each other in mol­ecule A, while these angles are 60.7 (3), 86.8 (3) and 54.9 (3)° in mol­ecule B. The dihedral angles between the two benzene rings are 87.3 (3) and 89.6 (3)° for the two diphenyl­arsino groups in mol­ecule A and 85.6 (3) and 87.7 (3)° in mol­ecule B. In the crystal packing, the mol­ecules are linked into a three-dimensional framework via inter­molecular C—H⋯O and C—H⋯Cl hydrogen bonds. Weak inter­molecular C—H⋯π inter­actions furture stabilize the crystal structure. The crystal studied was an inversion twin, the refined ratio of twin components being 0.480 (7):0.520 (7).

The title rhodium Vaska-type complex, trans-[RhCl{P(C6H11)2(C6H4-4-C3H7)2}2(CO)], crystallizes with an accompanying acetone solvent mol­ecule. 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 mol­ecule 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.

The thio­pyran unit of the title mol­ecule, C17H15ClO2S, is in chair form. A crystallographic mirror plane bis­ects the mol­ecule, passing through the O=S and the opposite C=O atoms of the central ring, with statistical disorder of the Cl atom. The geometry around the S atom is tetra­hedral and the carbonyl C is planar. The 4-chloro­phenyl group at the 2 position and the phenyl ring at the 6 position have equatorial orientations. Inter­molecular C—H⋯O and C—H⋯Cl hydrogen bonds are found in the crystal structure. In addition, there is a short O⋯C inter­molecular contact [2.970 (5) Å].

The title compound, [PtCl(C42H78OP4)]Cl·0.5CH2Cl2·4H2O, crystallizes as a contact ion-pair with two close inter­molecular C—H⋯Cl− contacts between CH acidic αH atoms of the phosphane ligand and the chloride anion. A chloride ligand together with three coordinating P ligand atoms create a slightly distorted square-planar coordination environment around the PtII center. An inter­molecular water O—H⋯Cl− and water O—H⋯OP hydrogen-bond network completes the coordination around the anion. In addition, a disordered CH2Cl2 solvent mol­ecule cocrystallized within a hydro­phobic cavity spanned by the dicyclo­hexyl­phosphane ligands.

The title compound, [PdCl2{P(C6H11)2(C6H5)}2], forms a monomeric complex with a trans-square-planar geometry. The Pd—P bond lengths are 2.3343 (5) Å, as the Pd atom lies on an inversion centre, while the Pd—Cl bond lengths are 2.3017 (4) Å. The observed structure was found to be closely related to [PdCl2{P(C6H11)3}2] [Grushin et al. (1994 ▶). Inorg. Chem. 33, 4804–4806], [PdBr2{P(C6H11)3}2] [Clarke et al. (2003 ▶). Dalton Trans. pp. 4393–4394] and [PdCl2P(C6H11)2(C7H7)}2] [Vuoti et al. (2008 ▶). Eur. J. Inorg. Chem. pp. 397–407] (C6H11 is cyclo­hexyl and C7H7 is o-tol­yl). One of the cyclo­hexyl rings is disordered with the phenyl ring in a 0.587 (9):413 (9) ratio. Five long-range C—H⋯Cl inter­actions were observed within the structure.

The title compound, trans-[PdCl2(C16H13PS)2], forms a monomeric complex with a trans-square-planar geometry. The Pd—P bond lengths are 2.3387 (11) Å, as the Pd atom lies on an inversion point, while the Pd—Cl bond lengths are 2.2950 (12) Å.

The PtII atom in the title compound, [Pt(C29H31NP2)2](PF6)2·2CH2Cl2, is coordinated by four P atoms from two bis­(di­phenyl­phosphan­yl)pentyl­amine ligands with an average Pt—P distance of 2.300 (1) Å. The coordination around the PtII atom shows a highly distorted square-planar geometry, as evidenced by the P—Pt—P bite angles of 70.45 (3) and 70.64 (3)°. The asymmetric unit contains two hexa­fluoridophosphate ions, the metal complex and two dichloro­methane solvent mol­ecules. One of the chloride atoms of one of the dichloro­methane mol­ecules is disordered over two sites in a 0.515 (3):0.485 (3) ratio. C—H⋯F hydrogen bonds stabilize the crystal packing.

The CuII atom of the title complex, [Cu(C16H12ClNO3)(C3H4N2)]·H2O, has a distorted square-planar coordination geometry formed by a tridentate Schiff base dianion and an imidazole ligand. The imidazole is nearly coplanar with the coordination plane, the dihedral angle between the planes being 3.73 (12)°. In the Schiff base ligand, the two benzene rings are oriented at a dihedral angle of 75.87 (12)°. O—H⋯O and N—H⋯O hydrogen bonding is present in the crystal structure. One H atom of the uncoordinated water mol­ecule is disordered equally over two sites.