... to provide useful structural information when X-ray determination is not applicable, we started a program of synthesis and characterization ... 5 H 7 N 2 Se−) 2 ] 2+ ·I 3 - · 1 / 2 I 4 - (V) and [(C 5 H ... A mixture of 6 (449 mg, 0.47 mmol), tellurium powder (120 mg, 0.94 mmol), and Et 2 O ...