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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-22958.834158
Energy at 298.15K-22958.827674
HF Energy-2800.627987
Nuclear repulsion energy471.492564
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 B3LYP/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 766 740 49.45 11.99 0.00 0.00
2 A1 605 584 0.91 7.86 0.46 0.63
3 A1 376 363 23.56 0.77 0.37 0.54
4 A1 176 170 0.55 0.28 0.71 0.83
5 A2 377 364 0.00 0.98 0.75 0.86
6 B1 752 725 88.96 3.64 0.75 0.86
7 B1 254 245 9.56 0.01 0.75 0.86
8 B2 678 654 282.92 0.72 0.75 0.86
9 B2 414 399 11.54 0.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2198.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2121.1 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 B3LYP/6-31G(2df,p)
ABC
0.17746 0.11373 0.09338

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.322
F2 0.000 1.754 0.155
F3 0.000 -1.754 0.155
F4 1.294 0.000 -0.764
F5 -1.294 0.000 -0.764

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.76181.76181.68961.6896
F21.76183.50782.36572.3657
F31.76183.50782.36572.3657
F41.68962.36572.36572.5886
F51.68962.36572.36572.5886

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 169.420 F2 Se1 F4 86.619
F2 Se1 F5 86.619 F3 Se1 F4 86.619
F3 Se1 F5 86.619 F4 Se1 F5 100.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.974      
2 F -0.297      
3 F -0.297      
4 F -0.190      
5 F -0.190      


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 1.427 1.427
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 123.599
(<r2>)1/2 11.118