AM_FSO2(OH)
Formula: S F O3 H
Name: FSO2(OH)
Unit cell: 4.868 6.736 9.359 90.0 90.0 90.0 , V=306.89
Space group: P212121 (19)

Bartmann K , Mootz D , Acta Crystallographica, Section C , 46 (1990) p.319-320, Structures of two strong Bronsted acids: (I) fluorosulfuric, acid and (II) trifluoromethanesulfonic acid, Sample: T = 123 K