FSO2(OH) Bartmann K, Mootz D Acta Crystallographica C46 (1990) 319-320 Structures of two strong Bronsted acids: (I) fluorosulfuric acid and (II) trifluoromethanesulfonic acid Sample: T = 123 K _database_code_amcsd 0010101 4.868 6.736 9.359 90 90 90 P2_12_12_1 atom x y z Uiso S -.16332 .52793 .91081 .0127 F .1452 .5013 .8797 .0247 O1 -.2863 .3830 .8044 .0192 O2 -.2080 .4484 .0494 .0225 O3 -.2270 .7279 .8798 .0210 H -.299 .421 .744 .059