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All results from a given calculation for SF4 (Sulfur tetrafluoride)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-796.026506
Energy at 298.15K 
HF Energy-795.137128
Nuclear repulsion energy293.195733
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 MP4/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 882 842        
2 A1 600 573        
3 A1 501 478        
4 A1 195 186        
5 A2 447 427        
6 B1 875 836        
7 B1 340 325        
8 B2 828 790        
9 B2 507 484        

Unscaled Zero Point Vibrational Energy (zpe) 2587.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 2470.3 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 MP4/6-31G*
ABC
0.21100 0.13260 0.10306

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.394
F2 0.000 1.666 0.261
F3 0.000 -1.666 0.261
F4 1.237 0.000 -0.611
F5 -1.237 0.000 -0.611

Atom - Atom Distances (Å)
  S1 F2 F3 F4 F5
S11.67091.67091.59411.5941
F21.67093.33102.25042.2504
F31.67093.33102.25042.2504
F41.59412.25042.25042.4745
F51.59412.25042.25042.4745

picture of Sulfur tetrafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 S1 F3 170.826 F2 S1 F4 87.109
F2 S1 F5 87.109 F3 S1 F4 87.109
F3 S1 F5 87.109 F4 S1 F5 101.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability