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 S2F2 (Thio-thionyl fluoride)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-994.424036
Energy at 298.15K-994.425324
HF Energy-993.808585
Nuclear repulsion energy236.948937
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 MP2/6-31G**
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' 810 758 249.82      
2 A' 740 693 135.81      
3 A' 399 373 8.44      
4 A' 324 304 11.19      
5 A" 718 672 138.04      
6 A" 255 239 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 1622.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 1519.3 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 MP2/6-31G**
ABC
0.26324 0.12841 0.09831

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.534 0.150 0.000
S2 -1.135 0.983 0.000
F3 0.534 -1.008 1.171
F4 0.534 -1.008 -1.171

Atom - Atom Distances (Å)
  S1 S2 F3 F4
S11.86501.64711.6471
S21.86502.84962.8496
F31.64712.84962.3423
F41.64712.84962.3423

picture of Thio-thionyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 S1 F3 108.299 S2 S1 F4 108.299
F3 S1 F4 90.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability