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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-833.104146
Energy at 298.15K 
HF Energy-833.104146
Nuclear repulsion energy393.756536
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 HSEh1PBE/Def2TZVPP
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 1099 1099 288.62 22.93 0.31 0.48
2 A1 614 614 5.55 4.30 0.01 0.02
3 A1 278 278 0.07 14.33 0.13 0.23
4 A1 112 112 0.13 3.39 0.41 0.58
5 A2 251 251 0.00 0.54 0.75 0.86
6 B1 744 744 347.56 10.45 0.75 0.86
7 B1 278 278 0.03 3.79 0.75 0.86
8 B2 1155 1155 149.87 0.84 0.75 0.86
9 B2 313 313 0.16 0.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2421.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2421.9 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 HSEh1PBE/Def2TZVPP
ABC
0.09184 0.01952 0.01756

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.867
F2 0.000 1.073 1.651
F3 0.000 -1.073 1.651
I4 1.797 0.000 -0.329
I5 -1.797 0.000 -0.329

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.32941.32942.15902.1590
F21.32942.14632.88192.8819
F31.32942.14632.88192.8819
I42.15902.88192.88193.5948
I52.15902.88192.88193.5948

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.656 F2 C1 I4 109.085
F2 C1 I5 109.085 F3 C1 I4 109.085
F3 C1 I5 109.085 I4 C1 I5 112.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 F -0.113      
3 F -0.113      
4 I -0.005      
5 I -0.005      


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 -0.743 0.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.496 0.000 0.000
y 0.000 -70.468 0.000
z 0.000 0.000 -69.052
Traceless
 xyz
x 5.264 0.000 0.000
y 0.000 -3.694 0.000
z 0.000 0.000 -1.570
Polar
3z2-r2-3.140
x2-y25.972
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.814 0.000 0.000
y 0.000 8.298 0.000
z 0.000 0.000 9.684


<r2> (average value of r2) Å2
<r2> 283.747
(<r2>)1/2 16.845