Bonding, aromaticity, and structure of trigonal dianion metal clusters. - Santanab Giri; Debesh Ranjan Roy; Soma Duley; Arindam Chakraborty; Ramakrishnan Parthasarathi; Munusamy Elango; Ramadoss Vijayaraj; Venkatesan Subramanian 001; Rafael Islas; Gabriel Merino; Pratim Kumar Chattaraj (J. Comput. Chem., 2010)