Citation: Matsuura, Mimiko; Okudera, Hiroki (2022). Structures of Ca~5~(VO~4~)~3~Cl and Ca~4.78(1)~Na~0.22~(PO~4~)~3~Cl~0.78~: positions of channel anions and repulsion on the anion in apatite-type compounds. Acta Crystallographica Section B, 78, pp. -.