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

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-7187.589055
Energy at 298.15K 
HF Energy-7187.589055
Nuclear repulsion energy430.713650
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 PBEPBE/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 654 624 20.50 8.51 0.18 0.30
2 A1 591 564 0.03 14.80 0.36 0.53
3 A1 185 176 8.79 0.11 0.27 0.43
4 B1 196 186 9.69 0.01 0.75 0.86
5 B2 659 628 101.74 0.34 0.75 0.86
6 B2 274 261 4.21 1.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1279.3 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 1219.8 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 PBEPBE/3-21G*
ABC
0.27201 0.11552 0.08108

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.254
F2 0.000 0.000 -1.679
F3 0.000 1.960 0.092
F4 0.000 -1.960 0.092

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.93281.96641.9664
F21.93282.64132.6413
F31.96642.64133.9195
F41.96642.64133.9195

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 85.277 F2 I1 F4 85.277
F3 I1 F4 170.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.809      
2 F -0.243      
3 F -0.283      
4 F -0.283      


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 1.702 1.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.429 0.000 0.000
y 0.000 -47.299 0.000
z 0.000 0.000 -40.361
Traceless
 xyz
x 3.401 0.000 0.000
y 0.000 -6.904 0.000
z 0.000 0.000 3.503
Polar
3z2-r27.006
x2-y26.870
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.789 0.000 0.000
y 0.000 5.550 0.000
z 0.000 0.000 3.996


<r2> (average value of r2) Å2
<r2> 124.737
(<r2>)1/2 11.169