AM_Cu2K(H3O2)(SO4)2 Formula: K Cu2 S2 O10 H3 Name: Cu2K(H3O2)(SO4)2 Unit cell: 8.955 6.265 7.628 90.0 117.45 90.0 , V=379.77 Space group: C12/M1 (12)

Chevrier G , Giester G , Jarosch D , Zemann J , Acta Crystallographica, Section C , 46 (1990) p.175-177, Neutron diffraction study of the hydrogen-bond system, in Cu2K(H3O2)(SO4)2