Citation: Cordier, S.; Hernandez, O.; Perrin, C. (2001). Syntheses and crystal structures of the first bromofluorides in niobium cluster chemistry: Nb6 Br8 F7 and Na2 Nb F6 - (Nb6 Br4 F11). Journal of Solid State Chemistry, 158, pp. 327-333.
Formula: Br3.65 F17.35 Na1.87 Nb7
Chemical name:(Na1.87 Nb F6) (Nb6 Br3.65 F8.35) F3