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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-2798.527399
Energy at 298.15K 
HF Energy-2798.527399
Nuclear repulsion energy471.145107
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 B3PW91/6-31G*
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 759 726 49.68      
2 A1 606 579 0.31      
3 A1 352 336 25.39      
4 A1 155 148 0.76      
5 A2 352 337 0.00      
6 B1 758 725 89.88      
7 B1 233 223 11.17      
8 B2 662 633 284.99      
9 B2 389 372 10.65      

Unscaled Zero Point Vibrational Energy (zpe) 2132.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 2039.9 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 B3PW91/6-31G*
ABC
0.17300 0.11170 0.09077

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.324
F2 0.000 1.774 0.150
F3 0.000 -1.774 0.150
F4 1.319 0.000 -0.763
F5 -1.319 0.000 -0.763

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.78261.78261.70941.7094
F21.78263.54822.39182.3918
F31.78263.54822.39182.3918
F41.70942.39182.39182.6383
F51.70942.39182.39182.6383

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 168.770 F2 Se1 F4 86.433
F2 Se1 F5 86.433 F3 Se1 F4 86.433
F3 Se1 F5 86.433 F4 Se1 F5 101.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.372      
2 F -0.378      
3 F -0.378      
4 F -0.309      
5 F -0.309      


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 1.689 1.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.155 0.000 0.000
y 0.000 -42.381 0.000
z 0.000 0.000 -34.737
Traceless
 xyz
x 2.404 0.000 0.000
y 0.000 -6.935 0.000
z 0.000 0.000 4.531
Polar
3z2-r29.062
x2-y26.226
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.736 0.000 0.000
y 0.000 4.667 0.000
z 0.000 0.000 3.049


<r2> (average value of r2) Å2
<r2> 126.012
(<r2>)1/2 11.226