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All results from a given calculation for IF3 (iodone trifluoride)

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-7187.766960
Energy at 298.15K 
HF Energy-7187.766960
Nuclear repulsion energy437.454127
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 PBE1PBE/3-21G*
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 709 681 22.68 9.33 0.17 0.30
2 A1 636 611 0.02 13.54 0.39 0.56
3 A1 210 201 12.71 0.05 0.35 0.52
4 B1 205 197 12.29 0.02 0.75 0.86
5 B2 703 675 127.05 0.68 0.75 0.86
6 B2 299 287 6.04 1.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1381.3 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 1325.8 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 PBE1PBE/3-21G*
ABC
0.28131 0.11937 0.08381

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.261
F2 0.000 0.000 -1.642
F3 0.000 1.928 0.052
F4 0.000 -1.928 0.052

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.90361.93911.9391
F21.90362.56682.5668
F31.93912.56683.8557
F41.93912.56683.8557

picture of iodone trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 I1 F3 83.812 F2 I1 F4 83.812
F3 I1 F4 167.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.956      
2 F -0.283      
3 F -0.336      
4 F -0.336      


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 1.994 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.206 0.000 0.000
y 0.000 -48.358 0.000
z 0.000 0.000 -40.444
Traceless
 xyz
x 4.195 0.000 0.000
y 0.000 -8.033 0.000
z 0.000 0.000 3.838
Polar
3z2-r27.676
x2-y28.152
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.706 0.000 0.000
y 0.000 5.160 0.000
z 0.000 0.000 3.829


<r2> (average value of r2) Å2
<r2> 121.700
(<r2>)1/2 11.032