Crystal structure of tris(1,10-phenanthroline-5,6-dione)zinc(II) diperchlorate, [Zn(C12H6N2O2)3][ClO4]2 - Peng Zhen-Shan; Liu Jian-Xiang; Jiang Wen-Jun; Deng Qian; Cai Tie-Jun; Huang Ming-Zhong (Zeitschrift für Kristallographie - New Crystal Structures, 2008)