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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: wB97X-D/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 wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-833.377295
Energy at 298.15K 
HF Energy-833.377295
Nuclear repulsion energy393.773328
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/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 1100 1051 289.57 30.67 0.31 0.48
2 A1 615 588 4.72 4.48 0.01 0.03
3 A1 282 269 0.01 15.40 0.14 0.24
4 A1 115 110 0.14 3.23 0.41 0.58
5 A2 255 243 0.00 0.54 0.75 0.86
6 B1 769 735 329.65 14.14 0.75 0.86
7 B1 282 270 0.09 3.85 0.75 0.86
8 B2 1147 1096 152.87 0.82 0.75 0.86
9 B2 316 302 0.17 0.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2440.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 2331.2 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/Def2TZVPP
ABC
0.09222 0.01948 0.01755

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
F2 0.000 1.074 1.647
F3 0.000 -1.074 1.647
I4 1.799 0.000 -0.328
I5 -1.799 0.000 -0.328

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.33181.33182.15622.1562
F21.33182.14832.87992.8799
F31.33182.14832.87992.8799
I42.15622.87992.87993.5986
I52.15622.87992.87993.5986

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.517 F2 C1 I4 109.012
F2 C1 I5 109.012 F3 C1 I4 109.012
F3 C1 I5 109.012 I4 C1 I5 113.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.214      
2 F -0.131      
3 F -0.131      
4 I 0.024      
5 I 0.024      


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 -0.829 0.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.198 0.000 0.000
y 0.000 -70.504 0.000
z 0.000 0.000 -69.182
Traceless
 xyz
x 5.645 0.000 0.000
y 0.000 -3.814 0.000
z 0.000 0.000 -1.832
Polar
3z2-r2-3.663
x2-y26.306
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.609 0.000 0.000
y 0.000 8.249 0.000
z 0.000 0.000 9.612


<r2> (average value of r2) Å2
<r2> 283.750
(<r2>)1/2 16.845