AM_Na2HAsO4_7H2O Formula: Na2 As O11 H15 Name: Na2HAsO4*7H2O Unit cell: 9.401 11.025 10.674 90.0 95.5 90.0 , V=1101.22 Space group: P121/N1 (14)

Baur W H , Khan A A , Acta Crystallographica, Section B , 26 (1970) p.1584-1596, On the crystal chemistry of salt hydrates. VI. The crystal structures of disodium, hydrogen orthoarsenate heptahydrate and of disodium hydrogen orthophosphate heptahydrate