AM_Na2HPO4_7H2O
Formula: Na2 P O11 H15
Name: Na2HPO4*7H2O
Unit cell: 9.258 11.007 10.437 90.0 95.61 90.0 , V=1058.47
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