CaB2C2 crystallizes in the tetragonal P4_2/mmc space group. Ca(1) is bonded in a 16-coordinate geometry to eight equivalent B(1) and eight equivalent C(1) atoms. B(1) is bonded in a 2-coordinate geometry to four equivalent Ca(1) and two equivalent C(1) atoms. C(1) is bonded in a 3-coordinate geometry to four equivalent Ca(1), two equivalent B(1), and one C(1) atom.
CaB2C2 crystallizes in the tetragonal P4_2/mmc space group. Ca(1) is bonded in a 16-coordinate geometry to eight equivalent B(1) and eight equivalent C(1) atoms. All Ca(1)-B(1) bond lengths are 2.81 Å. All Ca(1)-C(1) bond lengths are 2.78 Å. B(1) is bonded in a 2-coordinate geometry to four equivalent Ca(1) and two equivalent C(1) atoms. Both B(1)-C(1) bond lengths are 1.60 Å. C(1) is bonded in a 3-coordinate geometry to four equivalent Ca(1), two equivalent B(1), and one C(1) atom. The C(1)-C(1) bond length is 1.39 Å.