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All results from a given calculation for SeF4 (Selenium tetrafluoride)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-2784.911706
Energy at 298.15K 
HF Energy-2784.274987
Nuclear repulsion energy471.637822
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=FULL/3-21G*
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 805 763 40.71 11.28 0.00 0.00
2 A1 673 638 0.44 9.62 0.48 0.65
3 A1 381 361 35.03 0.91 0.64 0.78
4 A1 178 169 0.27 0.42 0.73 0.85
5 A2 373 353 0.00 1.61 0.75 0.86
6 B1 809 767 69.19 4.50 0.75 0.86
7 B1 255 242 11.90 0.03 0.75 0.86
8 B2 780 740 238.87 0.74 0.75 0.86
9 B2 410 389 20.16 1.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2332.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 2211.1 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=FULL/3-21G*
ABC
0.17106 0.11254 0.09158

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.327
F2 0.000 1.760 0.156
F3 0.000 -1.760 0.156
F4 1.322 0.000 -0.773
F5 -1.322 0.000 -0.773

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.76791.76791.71991.7199
F21.76793.51932.38922.3892
F31.76793.51932.38922.3892
F41.71992.38922.38922.6441
F51.71992.38922.38922.6441

picture of Selenium tetrafluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Se1 F3 168.925 F2 Se1 F4 86.461
F2 Se1 F5 86.461 F3 Se1 F4 86.461
F3 Se1 F5 86.461 F4 Se1 F5 100.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability