Citation: Cordier, S.; Sergent, M.; Perrin, C. (1997). New series of niobium oxychlorides, M2 RE Nb6 Cl15 O3 (M= monovalent cation, RE= rare earth) and M2 U Nb6 Cl15 O3. The crystal structure of Cs2 U Nb6 Cl15 O3. Materials Research Bulletin, 32, pp. 25-33.