AM_Matteuccite
Formula: Na S O5 H3
Name: Matteuccite
Unit cell: 7.799 7.79 8.23 90.0 119.95 90.0 , V=433.24
Space group: C1C1 (9)

Grimvall S , Acta Chemica Scandinavica , 25 (1971) p.3213-3219, The crystal structure of NaHSO4H2O