return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for SF2 (sulfur difluoride)

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-597.329138
Energy at 298.15K-597.329838
HF Energy-596.430410
Nuclear repulsion energy113.703206
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 CCSD=FULL/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 858 858 85.02      
2 A1 360 360 4.42      
3 B2 832 832 151.07      

Unscaled Zero Point Vibrational Energy (zpe) 1024.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1024.7 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 CCSD=FULL/6-311+G(3df,2p)
ABC
0.88717 0.30905 0.22921

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.554
F2 0.000 1.198 -0.492
F3 0.000 -1.198 -0.492

Atom - Atom Distances (Å)
  S1 F2 F3
S11.59061.5906
F21.59062.3963
F31.59062.3963

picture of sulfur difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 S1 F3 97.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability