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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-2795.478189
Energy at 298.15K 
HF Energy-2795.478189
Nuclear repulsion energy490.768649
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 HF/6-31G(2df,p)
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 879 796 66.96 9.49 0.00 0.01
2 A1 664 601 0.09 6.42 0.45 0.62
3 A1 447 405 43.61 0.48 0.45 0.62
4 A1 207 188 0.62 0.13 0.69 0.82
5 A2 446 404 0.00 0.53 0.75 0.86
6 B1 863 782 112.89 3.28 0.75 0.86
7 B1 308 279 14.69 0.01 0.75 0.86
8 B2 727 658 362.50 0.82 0.75 0.86
9 B2 482 437 29.08 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2511.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 2274.2 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 HF/6-31G(2df,p)
ABC
0.18881 0.12137 0.09834

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.320
F2 0.000 1.705 0.116
F3 0.000 -1.705 0.116
F4 1.266 0.000 -0.721
F5 -1.266 0.000 -0.721

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.71761.71761.63881.6388
F21.71763.41092.28292.2829
F31.71763.41092.28292.2829
F41.63882.28292.28292.5320
F51.63882.28292.28292.5320

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 166.366 F2 Se1 F4 85.677
F2 Se1 F5 85.677 F3 Se1 F4 85.677
F3 Se1 F5 85.677 F4 Se1 F5 101.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.647      
2 F -0.471      
3 F -0.471      
4 F -0.352      
5 F -0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.527 1.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.049 0.000 0.000
y 0.000 -42.795 0.000
z 0.000 0.000 -35.418
Traceless
 xyz
x 3.058 0.000 0.000
y 0.000 -7.062 0.000
z 0.000 0.000 4.004
Polar
3z2-r28.007
x2-y26.746
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.692 0.000 0.000
y 0.000 4.180 0.000
z 0.000 0.000 3.117


<r2> (average value of r2) Å2
<r2> 118.065
(<r2>)1/2 10.866