Huynh, M. T.; Alexandrova, A. N.* Persistent Covalency and Planarity in the BₙAl₆₋ₙ²⁻ and LiBₙAl₆₋ₙ⁻ (n = 0–6) Cluster Ions. J. Phys. Chem. Lett. 2011, 2 (16), 2046–2051. Download