Electronic Structures of Highly Symmetrical Compounds of f Elements. 34 [1] Synthesis and Spectroscopic Characterization of Biscyclohexylisocyanide Adducts derived from the Tris(bis(trimethylsilyl)amido)lanthanide(III) Moiety as well as Crystal, Molecular, and Electronic Structure of the Corresponding Neodymium Compound
作者:Stefan Jank、Jan Hanss、Hauke Reddmann、Hanns-Dieter Amberger、Norman M. Edelstein
DOI:10.1002/1521-3749(200206)628:6<1355::aid-zaac1355>3.0.co;2-7
日期:2002.6
Tris(bis(trimethylsilyl)amido)lanthanid(III) (Ln(Btmsa)3) mit zwei Aquivalenten Cyclohexylisonitril ergibt in guter Ausbeute Komplexe der Zusammensetzung Ln(Btmsa)3(CNC6H11)2 (Ln = Y(1), La(2), Ce(3), Pr(4), Nd(5), Sm(6), Eu(7), Tb(8), Dy(9), Ho(10), Tm(11) und Yb(12)). Komplex 5 kristallisiert in der monoklinen Raumgruppe C2/c mit a = 25.689(8) A, b = 12.165(2) A, c = 17.895(15) A, β = 122.47 (2)°, V = 4718.07 A3,
三(双(三甲基甲硅烷基)酰氨基)镧系元素(III)(Ln(btmsa)3)与两个当量的反应。环己基异氰化物的高产率的组成为 Ln (btmsa) 3 (CNC6H11) 2 (Ln = Y (1), La (2), Ce (3), Pr (4), Nd (5), Sm (6) 、Eu (7)、Tb (8)、Dy (9)、Ho (10)、Tm (11) 和 Yb (12))。配合物 5 在单斜空间群 C2/c 中结晶,a = 25.689 (8) A, b = 12.165 (2) A, c = 17.895 (15) A, β = 122.47 (2) °, V = 4718.07 A3, Z = 4 且 R = 0.0342。化合物 5 的结构显示了在几乎精确的三角双锥体环境中的五配位 Nd3 + 离子,轴向有两个 CNC6H11 分子,赤道位置有三个 btmsa 配体。在室温下测量了配