Abstract
[Li(THF)4][[NN]2Nd2Cl2(μ5-O)Li3] (2) ([NN]3– = ([Me3SiNCH2CH2)3N]3–) was prepared by transmetallation of Li3[NN] with anhydrous neodymium trichloride in THF. After recrystallization from diethylether/pentane (1 : 2) light blue crystals of 2 were obtained, which were characterized by single crystal X-ray diffraction. Space group: P21/n, Z = 4, lattice dimensions at 203 K: a = 1260.8(3), b = 3832.5(8), c = 1569.2(3) pm, β = 106.07(3)°, R1 = 0.0541. In the anion of 2 a nearly trigonal bipyramidal [Nd2Li3(μ5-O)]7+ unit is observed.
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