Keywords: Diphenylcuprate-anion-from-xtal-3D-balls.png Ball-and-stick model of the diphenylcuprate anion Ph<sub>2</sub>Cu<sup> ˆ’</sup> as found in the crystal structure of bis 12-crown-4 lithium diphenylcuprate Li 12-crown-4 <sub>2</sub>Ph<sub>2</sub>Cu X-ray crystallographic data from http //dx doi org/10 1021/ja00300a047 J Am Chem Soc 1985 107 14 pp 4337 “4338 Image generated in http //accelrys com/products/discovery-studio/visualization/discovery-studio-visualizer html Accelrys DS Visualizer Own 2009-03-02 Ben Mills Benjah-bmm27 Images by Ben Mills Ball-and-stick models Lithium diphenylcuprate Copper anions |