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1.  trans-Dichloridobis{dicyclo­hex­yl[4-(dimethyl­amino)­phen­yl]phosphane-κP}platinum(II) dichloro­methane disolvate 
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].
PMCID: PMC3588798  PMID: 23468763
2.  trans-Dichloridobis[dicyclo­hex­yl(4-isopropyl­phen­yl)phosphane-κP]platinum(II) acetone monosolvate 
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%.
PMCID: PMC3254293  PMID: 22259321
3.  cis-Dichloridobis{[4-(dimethyl­amino)­phen­yl]diphenyl­phosphane-κP}platinum(II) ethyl acetate monosolvate 
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.
PMCID: PMC3201384  PMID: 22058690
4.  trans-Dichloridobis[tris­(4-meth­oxy­lphen­yl)phosphane-κP]platinum(II) acetone disolvate 
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.
PMCID: PMC3588736  PMID: 23468701
5.  Crystal structure of μ-1κC:2(η2)-carbonyl-carbonyl-1κC-chlorido-2κCl-μ-chlorido­borylene-1:2κ2 B:B-[1(η5)-penta­methyl­cyclo­penta­dien­yl](tri­cyclo­hexyl­phosphane-2κP)iron(II)platinum(II) benzene monosolvate 
The title compound [η5-(C5(CH3)5)(CO)Fe{(μ-BCl)(μ-CO)}PtCl(P(C6H11)3)]·C6H6 shows a piano-stool coordination geometry at the FeII atom and a distorted square-planar coordination geometry at the Pt atom. Both metals are bridged by one carbonyl and one chlorido­borylene unit. Additionally, one benzene solvent mol­ecule aligns in a staggered position relative to the (penta­meth­yl)cyclo­penta­dienyl ligand of the FeII centre.
In the mol­ecular structure of the dinuclear title compound [η5-(C5(CH3)5)(CO)Fe{(μ-BCl)(μ-CO)}PtCl(P(C6H11)3)]·C6H6, the two metal atoms, iron(II) and platinum(II), are bridged by one carbonyl (μ-CO) and one chlorido­borylene ligand (μ-BCl). The PtII atom is additionally bound to a chloride ligand situated trans to the bridging borylene, and a tri­cyclo­hexyl­phosphane ligand (PCy3) trans to the carbonyl ligand, forming a distorted square-planar structural motif at the PtII atom. The FeII atom is bound to a penta­methyl­cyclo­penta­dienyl ligand [η5-C5(CH3)5] and one carbonyl ligand (CO), forming a piano-stool structure. Additionally, one benzene solvent mol­ecule is incorporated into the crystal structure, positioned staggered relative to the penta­methyl­cyclo­penta­dienyl ligand at the FeII atom, with a centroid–centroid separation of 3.630 (2) Å.
PMCID: PMC4257242  PMID: 25484763
crystal structure; heterodinuclear compound; borylene; platinum; oxidative addition
6.  {2-[Bis(2,4-di-tert-butyl­phen­oxy)phosphan­yloxy-κP]-3,5-di-tert-butyl­phenyl-κC 1}[(1,2,5,6-η)-cyclo­octa-1,5-diene]rhodium(I) toluene monosolvate 
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).
PMCID: PMC3274931  PMID: 22346878
7.  trans-Dichloridobis{tris­[4-(trifluoro­methyl)phen­yl]phosphane-κP}palla­dium(II) dichloro­methane monosolvate 
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)].
PMCID: PMC3588757  PMID: 23468722
8.  trans-Di-μ-chlorido-bis­{chlorido[tris­(3,5-dimethyl­phen­yl)phosphane-κP]palla­dium(II)} dichloro­methane monosolvate 
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.
PMCID: PMC3588800  PMID: 23468765
9.  trans-Carbonyl­chloridobis[dicyclo­hex­yl(4-isopropyl­phen­yl)phosphane]rhodium(I) acetone monosolvate 
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.
PMCID: PMC3200912  PMID: 22058880
10.  Acetonitrile­[2-({bis[2,4,6-tris­(trifluorido­meth­yl)phen­yl]phosphan­yloxy}meth­yl)pyridine]­meth­ylpalladium(II) hexa­fluoro­anti­monate dichloro­methane hemisolvate 
In the title compound, [Pd(CH3)(C24H10F18NOP)(CH3CN)][SbF6]·0.5CH2Cl2, the PdII atom has a distorted square-planar environment being coordinated by an acetonitrile N atom [Pd—N = 2.079 (3) Å], a methyl C atom [Pd—C = 2.047 (4) Å] and the bidentate ligand 2-({[2,4,6-tris­(trifluoro­meth­yl)phen­yl]phosphan­yloxy}meth­yl)pyridine (L). In L, the short distance of 3.621 (3) Å between the centroids of pyridine and benzene rings indicates the presence of a π–π inter­action. The crystal packing exhibits weak inter­molecular C—H⋯F contacts. The solvent mol­ecule has been treated as disordered between two positions of equal occupancy related by an inversion center.
PMCID: PMC3051961  PMID: 21522290
11.  Dichlorido{N-[2-(diphenyl­phosphan­yl)benzyl­idene]-2-(thio­phen-2-yl)ethan­amine-κ2 P,N}platinum(II) dichloro­methane hemisolvate 
The crystal structure of the title compound, [PtCl2(C25H22NPS)]·0.5CH2Cl2, was determined to establish the coordination properties of the (phosphan­yl)benzyl­idene–methanamine ligand to platinum. In the unit cell two mol­ecules of cis-[PtCl2(C25H22NPS)] are accompanied by a dichloro­methane solvent mol­ecule. The square-planar Pt2+ coordination sphere is slightly distorted with the bidentate ligand coordinated via the P and the amine N atoms, and the Cl atoms located cis at the two remaining coordination sites. Parts of the thiophene ring and the solvate molecule were modeled as disordered with occupancy ratios of 0.55 (2):0.45 (2) and 0.302 (10):0.198 (10), respectively. Weak C—H⋯Cl inter­actions stabilize the crystal packing.
PMCID: PMC3274858  PMID: 22346805
12.  trans-Carbonyl­chloridobis[tris­(4-chloro­phen­yl)phosphane]rhodium(I) acetone monosolvate 
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)°.
PMCID: PMC3009219  PMID: 21588819
13.  trans-Dichloridobis[dicyclo­hex­yl(phen­yl)phosphane-κP]palladium(II) 
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.
PMCID: PMC3343813  PMID: 22589787
14.  trans-Dichloridobis[dicyclo­hex­yl(2,4,6-trimethyl­phen­yl)phosphane-κP]palladium(II) 
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].
PMCID: PMC3515096  PMID: 23284323
15.  Acetonitrile­[2-(1-{bis­[2,4,6-tris­(trifluoro­meth­yl)phen­yl]phosphan­yloxy}-1-methyl­eth­yl)pyridine]­methyl­palladium(II) hexa­fluoridoanti­monate dichloro­methane hemisolvate 
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.
PMCID: PMC3051981  PMID: 21522289
16.  trans-Dichloridobis{[4-(dimethyl­amino)­phen­yl]diphenyl­phosphane}palladium(II) 
The title compound, trans-[PdCl2{PPh2(4-Me2NC6H4)}2], crystallizes with the Pd atom on a center of symmetry, resulting in a distorted trans-PdCl2P2 square-planar geometry. The Pd—P and Pd—Cl bond lengths are 2.3550 (7) and 2.2906 (7) Å, respectively. Some weak inter­actions are observed between the aromatic rings of adjacent mol­ecules, with an inter­planar distance between two π-stacked rings of 3.505 (3) Å. Intra- and intermolecular C—H⋯Cl hydrogen bonds also occur.
PMCID: PMC3009084  PMID: 21588880
17.  cis-Dichloridobis[tris­(2-methyl­phen­oxy)phosphane-κP]palladium(II) 
In the title compound, [PdCl2(C21H21O3P)2], the Pd atom adopts a slightly distorted square-planar coordination geometry, with pairs of the equivalent ligands in cis positions. Adjacent mol­ecules are linked by weak C—H⋯Cl hydrogen bonds. The crystal structure is additionally stabilized by π–π stacking inter­actions between the aromatic rings [shortest centroid–centroid distance = 3.758 (4) Å].
PMCID: PMC3297231  PMID: 22412421
18.  [μ-Bis(diphenyl­phosphan­yl)ethane-1:2κ2 P:P′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-[tris­(4-(meth­oxy­phen­yl)arsane-3κAs]-triangulo-triruthenium(0) chloro­form monosolvate 
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.
PMCID: PMC3051462  PMID: 21522851
19.  trans-Dichloridobis[tris­(4-methoxy­phen­yl)phosphine]palladium(II) benzene monosolvate 
The structure of the title compound, [PdCl2(C21H21O3P)2]·C6H6, shows a square-planar geometry for the PdII atom within a Cl2[P(PhOMe)3]2 ligand set. The crystal structure contains benzene as solvent. The PdII atom sits on a centre of inversion and therefore the asymmetric unit contains the PdII atom, one Cl atom, one tris­(4-methoxy­phen­yl)phosphine ligand and one half of the benzene solvent mol­ecule.
PMCID: PMC2971806  PMID: 21578578
20.  (R p)-1-{(R)-(Dimethyl­amino)[2-(diphenyl­phosphan­yl)phen­yl]methyl}-2-(diphenyl­phosphan­yl)ferrocene chloro­form solvate 
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.
PMCID: PMC2959829  PMID: 21581228
21.  Dinitro­sylbis[tris­(4-fluoro­phen­yl)phosphane]iron chloro­form monosolvate 
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)°.
PMCID: PMC3051982  PMID: 21522263
22.  Bis[N,N-bis­(diphenyl­phosphan­yl)pentyl­amine-κ2 P,P′]platinum(II) bis­(hexa­fluoridophosphate) dichloro­methane disolvate 
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.
PMCID: PMC3007544  PMID: 21588157
23.  trans-Dichloridobis[diphen­yl(thio­phen-2-yl)phosphane-κP]palladium(II) 
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.
PMCID: PMC3344332  PMID: 22590098
24.  cis-Dichloridobis(quinoline-κN)­platinum(II) nitro­methane monosolvate 
In the title compound, [PtCl2(C9H7N)2]·CH3NO2, the PtII cation is four-coordinated in an essentially square-planar environment by two N atoms from two quinoline ligands and two Cl− anions. One of the nearly planar quinoline ligands [maximum deviations = 0.042 (6) and 0.018 (7) Å] is almost perpendicular to the PtCl2N2 unit [maximum deviation = 0.024 (3) Å], making a dihedral angle of 89.6 (1)°, whereas the other is slightly inclined to the central plane with a dihedral angle of 74.1 (1)°. The dihedral angle between the quinoline ligands is 88.3 (2)°. In the crystal, each solvent mol­ecule is linked to the metal complex by weak inter­molecular C—H⋯O hydrogen bonds.
PMCID: PMC3343880  PMID: 22589848
25.  cis-Dichloridobis(2-isocyano­phenyl 4-meth­oxy­benzoate)palladium(II) chloro­form monosolvate 
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.
PMCID: PMC3588737  PMID: 23468702

Results 1-25 (104720)