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- W1992129957 abstract "Reaction of lanthanoid trichloride with two equivalents of sodium t-butylcyclopentadienide in tetrahydrofuran affords bis(t-butylcyclopentadienyl)lanthanoid chloride complexes (t-BuCp)2LnCl. nTHF (Ln = Pr, Nd, n = 2; Ln = Gd, Yb, n = 1). The compound (t-BuCp)2PrCl.2THF (1) crystallizes from THF in monoclinic space group P2(1)/c with unit cell dimensions a = 15.080(3), b = 8.855(2), c = 21.196(5) angstrom, beta = 110.34(2)degrees, V = 2653.9 angstrom-3 and D(calcd) = 1.41 g/cm3 for Z = 4. The central metal Pr is coordinated to two t-BuCp ring centroids, one chlorine atom and two THF forming a distorted trigonal bipyramid. The crystal of (t-BuCp)2YbCl.THF (2) belongs to the monoclinic crystal system, space group P2(1)/n with a = 7.726(1), b = 12.554(2), c = 23.200(6) angstrom, beta = 97.77(2)degrees, V = 2229.56 angstrom-3, D(calcd) = 1.50 g/cm3 and Z = 4. The t-BuCp ring centroids, the chlorine atom and the oxygen atom of the THF describe a distorted tetrahedron around the central ion of ytterbium." @default.
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- W1992129957 date "1991-04-01" @default.
- W1992129957 modified "2023-09-22" @default.
- W1992129957 title "Syntheses of bis(t-butylcyclopentadienyl)anthanoid chloride complexes and crystal structures of bis(t-butylcyclopentadienyl)chloro(bistetrahydrofuran)-praseodymium and bis(t-butylcyclopentadienyl)-chlorotetrahydrofuranyltterbium" @default.
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- W1992129957 doi "https://doi.org/10.1016/0022-328x(91)83123-l" @default.
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