The new compounds [ZrMe2C(η-C5H4)2}(cis-η-C4H6)] (2*), [ZrMe2C(η-C5H4)2}Ph2] (3), [ZrMe2C(C5H4)2}(cis-η4-C4H4Me2)] (4*), [ZrMe2C(η-C5H4)2}(cis-η4-PhC4H4Ph)] (5), [ZrMe2C(η-C5H4)2Cl}2-μ-O] (6*), [ZrMe2C(η-C5H4)2}η3-C4H6B(C6F5)3}] (7), [ZrMe2C(η-C5H4)2}exo-η3-C4H6B(C6F5)3}PMe3] (8*), [ZrMe2C(η-C5H4)2}endo-η3-C4H6B(C6F5)3}C6H5N] (9*), and [ZrMe2C(η-C5H4)2}endo- and exo-η3-C4H6B(C6F5)3}NCtBu] (10a) and (10b) have been prepared. An asterisk indicates the crystal structure has been determined. The photoelectron spectra of 2 and 4 have been determined and assigned with the assistance of density functional methods. The factors relating to the relative stability of cis- and trans-butadiene structures for 2 and 4 are discussed.
新化合物 [ZrMe2C(δ-
C5H4)2}(cis-δ-
C4H6)] (2*), [ZrMe2C(δ- )2}Ph2] (3), [Zr Me2C( )2}(顺式-δ4-C4H4Me2)] (4*), [ZrMe2C(δ- )2}(顺式-δ4-PhC4H4Ph)] (5), [Zr Me2C(δ- )2Cl}2-μ-O] (6*), [ZrMe2C(δ- )2}δ3- B(
C6F5)3}] (7), [Zr Me2C(δ- )2}exo-δ3- B( )3}PMe3] (8*), [ZrMe2C(δ- )2}endo-δ3- B ( )3}C6H5N] (9*) 和 [ZrMe2C(δ- )2}endo- 和 exo-δ3- B( )3}NCtBu] (10a) 和 (10b)已经准备好了。星号表示晶体结构已确定。 2和4的光电子能谱已在密度泛函方法的帮助下确定和指定。讨论了与 2 和 4 的顺式和反式
丁二烯结构相对稳定性相关的因素。