Citation: Jennifer A. Aitken; Mercouri G. Kanatzidis (2001). \a-Na6Pb3(PS4)4, a Noncentrosymmetric Thiophosphate with the Novel, Saucer-Shaped [Pb3(PS4)4]6- Cluster, and Its Metastable, 3-Dimensionally Polymerized Allotrope \b-Na6Pb3(PS4)4. Inorganic Chemistry, 40, pp. 2938-2939.