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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-2798.172723
Energy at 298.15K 
HF Energy-2798.172723
Nuclear repulsion energy471.916525
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 PBEPBEultrafine/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 731 723 43.30 13.01 0.00 0.01
2 A1 587 581 1.40 8.31 0.46 0.63
3 A1 351 348 17.98 0.87 0.35 0.51
4 A1 164 163 0.47 0.35 0.70 0.82
5 A2 355 351 0.00 1.14 0.75 0.86
6 B1 719 711 82.81 3.59 0.75 0.86
7 B1 236 234 7.53 0.01 0.75 0.86
8 B2 665 658 251.66 0.63 0.75 0.86
9 B2 391 387 8.45 0.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2099.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 2077.5 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.17338 0.11131 0.09166

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 1.770 0.170
F3 0.000 -1.770 0.170
F4 1.306 0.000 -0.778
F5 -1.306 0.000 -0.778

Atom - Atom Distances (Å)
  Se1 F2 F3 F4 F5
Se11.77681.77681.70841.7084
F21.77683.54052.39572.3957
F31.77683.54052.39572.3957
F41.70842.39572.39572.6129
F51.70842.39572.39572.6129

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 170.136 F2 Se1 F4 86.824
F2 Se1 F5 86.824 F3 Se1 F4 86.824
F3 Se1 F5 86.824 F4 Se1 F5 99.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.824      
2 F -0.254      
3 F -0.254      
4 F -0.158      
5 F -0.158      


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 1.277 1.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.102 0.000 0.000
y 0.000 -41.436 0.000
z 0.000 0.000 -35.231
Traceless
 xyz
x 2.231 0.000 0.000
y 0.000 -5.770 0.000
z 0.000 0.000 3.538
Polar
3z2-r27.077
x2-y25.334
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.270 0.000 0.000
y 0.000 5.168 0.000
z 0.000 0.000 3.740


<r2> (average value of r2) Å2
<r2> 125.566
(<r2>)1/2 11.206