   *F*(000) = 000   *M~r~* = 000.00                 *D*~x~ = 0.000 Mg m^−0^   Monoclinic, *P*0~0~/*c*         Mo *K*α radiation, λ = 0.00000 Å   Hall symbol: -P 0ybc            Cell parameters from 0000 reflections   *a* = 00.000 (0) Å              θ = 0.0--00.0°   *b* = 0