![Unusually Short Be−Be Distances with and without a Bond in Be
<sub/>2</sub>
F
<sub/>2</sub>
and in the Molecular Discuses Be
<sub/>2</sub>
B
<sub/>8</sub>
and Be
<sub/>2</sub>
B
<sub/>7</sub><sup>−</sup>]()
Unusually Short Be−Be Distances with and without a Bond in Be
<sub/>2</sub>
F
<sub/>2</sub>
and in the Molecular Discuses Be
<sub/>2</sub>
B
<sub/>8</sub>
and Be
<sub/>2</sub>
B
<sub/>7</sub><sup>−</sup>Cui, Zhong-hua; Yang, Wen-sheng; Zhao, Lili; Ding, Yi-hong; Frenking, Gernot · Angewandte Chemie · 2016