return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSO3F (Fluorosulfonic acid)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-82.206240
Energy at 298.15K-82.210060
HF Energy-81.369399
Nuclear repulsion energy109.630842
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3707 3520 131.63      
2 A 1450 1376 267.48      
3 A 1204 1143 196.81      
4 A 1187 1127 83.34      
5 A 831 789 240.08      
6 A 745 707 214.47      
7 A 510 484 37.45      
8 A 494 469 16.94      
9 A 477 453 35.98      
10 A 400 380 44.64      
11 A 351 334 2.13      
12 A 278 264 70.56      

Unscaled Zero Point Vibrational Energy (zpe) 5816.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 5522.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-31G*
ABC
0.15819 0.15752 0.15476

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.185 -0.935 0.172
H2 -1.991 -0.367 0.142
S3 0.095 0.009 -0.154
F4 0.298 0.623 1.340
O5 -0.311 1.131 -0.988
O6 1.219 -0.869 -0.400

Atom - Atom Distances (Å)
  O1 H2 S3 F4 O5 O6
O10.98601.62382.44812.52552.4724
H20.98602.14052.76712.51883.2938
S31.62382.14051.62811.45601.4467
F42.44812.76711.62812.45952.4704
O52.52552.51881.45602.45952.5852
O62.47243.29381.44672.47042.5852

picture of Fluorosulfonic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 S3 F4 97.667 O1 S3 O5 110.051
O1 S3 O6 107.118 H2 O1 S3 107.686
F4 S3 O5 105.637 F4 S3 O6 106.768
O5 S3 O6 125.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability