@<TRIPOS>MOLECULE
SO4_501_3IHI
    5     4     0     0     0
SMALL
NO_CHARGES

@<TRIPOS>ATOM
      1 O1        109.7580  -31.7190   16.7060 O.3       1 SO4501      0.0000
      2 O2        109.3130  -31.3800   14.3980 O.3       1 SO4501      0.0000
      3 O3        111.3930  -32.0770   15.2660 O.2       1 SO4501      0.0000
      4 O4        109.5820  -33.5750   15.3560 O.2       1 SO4501      0.0000
      5 S1        109.9770  -32.1930   15.3800 S.o2      1 SO4501      0.0000
@<TRIPOS>BOND
     1    1    5 1
     2    2    5 1
     3    3    5 2
     4    4    5 2