Ca9 (B N2)6

B₆Ca₉N₁₂

Meyer zu Altenschildesche, H.Woerle, M.Nesper, R.

Journal of Alloys Compd. (1998) 264, 107-114

a=7.3224Å   b=7.3224Å   c=7.3224Å

α=90°   β=90°   γ=90°