Beryllium fluoride borate,Be_2(BO_3)F belonging to space group C2 is built up with BO_3 planar triangle group and BeO_3F tetrahedral group.

• 氟硼酸铍(Be2(BO3)F,简写为BBF),属单斜晶系,空间群为C2。 该化合物含有BO3平面三角形基团。