AM_Na6F(H2O)18(NaH2O)(AsO4)2 Formula: Na7 F O27 As2 H28 Name: Na6F(H2O)18(NaH2O)(AsO4)2 Unit cell: 28.12 28.12 28.12 90.0 90.0 90.0 , V=22235.45 Space group: FD3C (228)

Baur W H , Tillmanns E , Acta Crystallographica, Section B , 30 (1974) p.2218-2224, Salt hydrates. X. The crystal structure determination of heptasodium fluoride, bisphosphate 19-hydrate and heptasodium fluoride bisarsenate 19-hydrate and the, computer simulation of the isomorphous vanadate salt