Barium copper fluoride chloride (5/4/17/1)

Ba₅ClCu₄F₁₇

Fompeyrine, JNazabal, VDarriet, JCourbion, G

European Journal of Solid State Inorganic Chemistry (1995) 32, 977-995

a=10.731(1)Å   b=10.731(1)Å   c=12.803(2)Å

α=90°   β=90°   γ=120°