STRUCTURE OF BIS(HEXAFLUOROACETYLACETONATO)BIS(TRIPHENYLPHOSPHINE OXIDE)NICKEL(II)

[Ni(C5HF6O2)2(C18H15OP)2], M(r) = 1029.4, triclinic, P1BAR, a = 9.266 (3), b = 11.385 (3), c = 12.606 (3) angstrom, alpha = 112.72 (2), beta = 99.90 (2), gamma = 103.24 (2)-degrees, V = 1142.7 (5) angstrom3, Z = 1, D(x) = 1.496 Mg m-3, lambda(Mo Kalpha) = 0.71073 angstrom, mu = 0.587 mm-1, F(000) = 522, T = 298 K, R = 0.0661 and wR = 0.0480 for 268 variable parameters (S = 1.24) and 3000 reflections with F > 0. The Ni atom possesses an octahedral geometry and forms bonds to two equatorial F6acac ligands [Ni-O(1) = 2.041 (3), Ni-O(2) = 2.048 (2) angstrom] and the O atoms of two symmetry-related axial triphenylphosphine oxide ligands [Ni-O(3 = 2.058 (3) angstrom]. Interaxial angles in the coordination sphere of the Ni atom range from 87.3 to 90.2-degrees. The P atoms of the triphenylphosphine oxide groups possess tetrahedral geometries with a P-O bond that measures 1.486 (3) angstrom.