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

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-2801.119218
Energy at 298.15K 
HF Energy-2801.119218
Nuclear repulsion energy470.561023
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 mPW1PW91/TZVP
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 722 688 60.98 14.35 0.00 0.00
2 A1 556 531 1.52 12.00 0.50 0.67
3 A1 354 337 30.24 1.43 0.46 0.63
4 A1 166 159 1.18 0.62 0.72 0.84
5 A2 359 342 0.00 1.78 0.75 0.86
6 B1 700 668 111.68 5.55 0.75 0.86
7 B1 238 227 14.67 0.03 0.75 0.86
8 B2 610 582 364.27 0.82 0.75 0.86
9 B2 396 378 12.49 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2050.3 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 1956.0 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 mPW1PW91/TZVP
ABC
0.17424 0.11007 0.09083

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.324
F2 0.000 1.785 0.163
F3 0.000 -1.785 0.163
F4 1.304 0.000 -0.775
F5 -1.304 0.000 -0.775

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.79171.79171.70491.7049
F21.79173.56902.40092.4009
F31.79173.56902.40092.4009
F41.70492.40092.40092.6079
F51.70492.40092.40092.6079

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 169.722 F2 Se1 F4 86.692
F2 Se1 F5 86.692 F3 Se1 F4 86.692
F3 Se1 F5 86.692 F4 Se1 F5 99.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.169      
2 F -0.351      
3 F -0.351      
4 F -0.234      
5 F -0.234      


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 2.009 2.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.427 0.000 0.000
y 0.000 -45.194 0.000
z 0.000 0.000 -35.811
Traceless
 xyz
x 3.076 0.000 0.000
y 0.000 -8.576 0.000
z 0.000 0.000 5.500
Polar
3z2-r211.000
x2-y27.768
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.906 0.000 0.000
y 0.000 5.177 0.000
z 0.000 0.000 3.210


<r2> (average value of r2) Å2
<r2> 127.428
(<r2>)1/2 11.288