return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G
 hartrees
Energy at 0K-83.799690
Energy at 298.15K 
HF Energy-83.799690
Nuclear repulsion energy64.789238
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 wB97X-D/CEP-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 562 562 13.80 25.06 0.19 0.32
2 A1 518 518 1.35 32.16 0.50 0.66
3 A1 179 179 25.47 0.25 0.23 0.37
4 B1 182 182 29.85 0.04 0.75 0.86
5 B2 578 578 149.27 0.74 0.75 0.86
6 B2 265 265 5.75 4.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1141.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1141.8 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 wB97X-D/CEP-31G
ABC
0.26060 0.10996 0.07733

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.282
F2 0.000 0.000 -1.697
F3 0.000 2.009 0.019
F4 0.000 -2.009 0.019

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.97852.02582.0258
F21.97852.64192.6419
F32.02582.64194.0174
F42.02582.64194.0174

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 82.557 F2 I1 F4 82.557
F3 I1 F4 165.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 1.371      
2 F -0.381      
3 F -0.495      
4 F -0.495      


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 3.376 3.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.839 0.000 0.000
y 0.000 -48.202 0.000
z 0.000 0.000 -34.285
Traceless
 xyz
x 8.405 0.000 0.000
y 0.000 -14.640 0.000
z 0.000 0.000 6.235
Polar
3z2-r212.471
x2-y215.363
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.892 0.000 0.000
y 0.000 7.211 0.000
z 0.000 0.000 4.144


<r2> (average value of r2) Å2
<r2> 101.215
(<r2>)1/2 10.061