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Synthesis, structure and bonding nature of heavy dipnictene radical anions
Chemical Science ( IF 7.6 ) Pub Date : 2021-08-30 , DOI: 10.1039/d1sc04230k Hanns M Weinert 1 , Christoph Wölper 1 , Julia Haak 1, 2 , George E Cutsail 1, 2 , Stephan Schulz 1
Chemical Science ( IF 7.6 ) Pub Date : 2021-08-30 , DOI: 10.1039/d1sc04230k Hanns M Weinert 1 , Christoph Wölper 1 , Julia Haak 1, 2 , George E Cutsail 1, 2 , Stephan Schulz 1
Affiliation
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Cyclic voltammetry (CV) studies of two L(X)Ga-substituted dipnictenes [L(R2N)GaE]2 (E = Sb, R = Me 1; E = Bi; R = Et 2; L = HC[C(Me)NDipp]2; Dipp = 2,6-i-Pr2C6H3) showed reversible reduction events. Single electron reduction of 1 and 2 with KC8 in DME in the presence of benzo-18-crown-6 (B-18-C-6) gave the corresponding dipnictenyl radical anions (DME)[K(B-18-C-6)][L(R2N)GaE]2 (E = Sb, R = Me 3; E = Bi, R = Et 4). Radical anions 3 and 4 were characterized by EPR, UV-vis and single crystal X-ray diffraction, while quantum chemical calculations gave deeper insight into the nature of the chemical bonding.
中文翻译：
重双烯自由基阴离子的合成、结构及键合性质
两种 L(X)Ga 取代的双烯 [L(R 2 N)GaE] 2 (E = Sb, R = Me 1 ; E = Bi; R = Et 2 ; L = HC[C (Me)NDipp] 2 ；Dipp = 2,6- i -Pr 2 C 6 H 3 )显示可逆还原事件。在苯并-18-冠-6 (B-18-C-6) 存在下，用 KC 8在 DME 中单电子还原1和2，得到相应的二烯基自由基阴离子 (DME)[K(B-18-C- 6)][L(R 2 N)GaE] 2 (E = Sb，R = Me 3 ；E = Bi，R = Et 4 )。自由基阴离子3和4通过 EPR、紫外-可见光和单晶 X 射线衍射进行了表征，而量子化学计算可以更深入地了解化学键的性质。
更新日期：2021-09-06
中文翻译：
重双烯自由基阴离子的合成、结构及键合性质
两种 L(X)Ga 取代的双烯 [L(R 2 N)GaE] 2 (E = Sb, R = Me 1 ; E = Bi; R = Et 2 ; L = HC[C (Me)NDipp] 2 ；Dipp = 2,6- i -Pr 2 C 6 H 3 )显示可逆还原事件。在苯并-18-冠-6 (B-18-C-6) 存在下，用 KC 8在 DME 中单电子还原1和2，得到相应的二烯基自由基阴离子 (DME)[K(B-18-C- 6)][L(R 2 N)GaE] 2 (E = Sb，R = Me 3 ；E = Bi，R = Et 4 )。自由基阴离子3和4通过 EPR、紫外-可见光和单晶 X 射线衍射进行了表征，而量子化学计算可以更深入地了解化学键的性质。
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