AM_KCr(SO4)2_12H2O_1 Formula: K Cr S2 O20 H24 Name: KCr(SO4)2*12H2O Unit cell: 12.2133 12.2133 12.2133 90.0 90.0 90.0 , V=1821.79 Space group: PA3 (205)

Nyburg S C , Steed J , Aleksovska S , Petrusevski V M , Acta Crystallographica, Section B , 56 (2000) p.204-209, Structure of the alums. I. On the sulfate group disorder in the alpha-alums, Sample: T = 173 K