Electronic structure and hybridization of CaS by means of X-ray absorption spectroscopy at Ca and S K-edges

Xu, W.; Liu, L.; Cui, M.; Zheng, L.; Hu, Y.; Marcelli, A.; Wu, Z.

doi:10.1107/S0909049512040617

Figure 1
Sketch of the cubic crystal structure of calcium sulfide, whose symmetry group is $[Fm\bar3m]$ (No. 225) with a = 5.686 Å. The nearest-neighboring atomic distance between Ca and S atoms is 2.8 Å, suggesting a less compact lattice structure.