Tris(4-methyl­phen­yl)phosphine selenide

In the title mol­ecule, C21H21PSe or PSe(C7H7)3, the P atom has a distorted PSeC3 tetra­hedral environment, formed by the Se atom [P=Se = 2.1119 (5) Å] and three aryl rings. Two short intra­molecular C—H⋯Se contacts occur. In the crystal, weak inter­molecular C—H⋯Se inter­actions link the mol­ecules 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

trans-Carbonylchloridobis(ferrocenyldiphenylphosphane-kP)rhodium(I) dichloromethane monosolvate and trans-carbonylchloridobis(ferrocenyldiphenylphosphane- kP)iridium(I) dichloromethane monosolvate

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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

trans-Dichloridobis[tris(4-methoxyphenyl) phosphane]palladium(II) toluene solvate

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trans-Dichloridobis[dicyclohexyl(4- isopropylphenyl)phosphane-kP]- platinum(II) acetone monosolvate.

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Tris(4-fluorophenyl)phosphine selenide

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Dichlorido{N-[2-(diphenylphosphanyl)- benzylidene]-2-(thiophen-2-yl)ethanamine- k²P,N}platinum(II) dichloromethane hemisolvate.

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Bis(2-meth­oxy­phen­yl)(phen­yl)phosphine selenide

The title compound, C20H19O2PSe or SePPh(2-OMe-C6H3)2, crystallizes with two distinct orientations for the meth­oxy groups. The Se=P bond is 2.1170 (7) Å and the cone angle is 176.0°. Intra­molecular C—H⋯Se inter­actions occur. In the crystal, mol­ecules are linked by inter­molecular C—H⋯Se inter­actions

I Am the English Daisy

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