STRUCTURE OF TRIS(ETA-5-CYCLOPENTADIENYL)YTTRIUM(III)

被引：30

作者：

ADAM, M

BEHRENS, U

FISCHER, RD

机构：

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1991年 / 47卷

关键词：

D O I：

10.1107/S0108270190011398

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

[Y(C5H5)3], M(r) = 284.2, orthorhombic, P2(1)cn (non-standard setting of Pna2(1)), a = 8.631 (3), b = 13.910 (4), c = 19.662 (4) angstrom, V = 2360 (1) angstrom 3, Z = 8, D(x) = 1.599 g cm-3, lambda(Mo K-alpha) = 0.709261 angstrom, mu = 48.3 cm-1, F(000) = 1152, T = 295 K, R = 0.059 for 1558 reflections [I > 1.5-sigma(I)]. Each Y atom is eta-5-bonded to three cyclopentadienyl rings, individual [Y(C5H5)3] molecules being loosely aligned to form zigzag chains as in the lanthanoid homologues [Ln(C5H5)3] with Ln = Er and Tm. The structure of [Y(C5H5)3] differs, however, markedly from those of the congeners containing the other genuine Group 3 rare-earth elements Sc and La.

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页码：968 / 971

页数：4

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