Facile synthesis and molecular structure of [Ni(PPh2NHPh)4]

Journal Publication ResearchOnline@JCU
Kühl, Olaf;Junk, Peter C.;Hey-Hawkins, Evamarie
Peter Junk
Abstract

NiCl₂ · 6 H₂O readily reacts with PPh₂NHPh in the presence of zinc dust to yield the homoleptic nickel(0) tetrakis-phosphine complex [Ni(PPh₂NHPh)₄] (1). 1 crystallises triclinic P1 (no. 2), with a = 14.656(1), b = 17.124(2), c = 17.424(1) Å, α = 95.998(1), β = 111.845(1), γ= 111.402(1)°, V = 3630.04(5) Å3, Z = 2, R values [I > 2σ(I)]: R1 = 0.0554, all data: wR2 = 0.1720. The nickel atom is coordinated in a distorted tetrahedral fashion by four phosphorus atoms, resembling a compressed tetrahedron along one of the non-crystallographic S₄ axes.

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626

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1521-1749

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7

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4

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Wiley-Blackwell

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DOI

10.1002/1521-3749(200007)626:7<1591::AID-ZAAC1591>3.0.CO;2-D