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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-14019.248736
Energy at 298.15K 
HF Energy-14019.248736
Nuclear repulsion energy973.580501
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 B1B95/3-21G*
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 1092 1042 216.26 14.41 0.43 0.60
2 A1 563 537 8.53 3.90 0.01 0.03
3 A1 274 262 0.00 14.57 0.14 0.25
4 A1 108 103 0.09 3.57 0.44 0.61
5 A2 229 219 0.00 0.89 0.75 0.86
6 B1 737 703 354.10 8.71 0.75 0.86
7 B1 269 257 0.78 3.82 0.75 0.86
8 B2 1184 1131 86.17 1.13 0.75 0.86
9 B2 282 269 0.02 1.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2368.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 2261.6 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 B1B95/3-21G*
ABC
0.08919 0.01923 0.01734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.867
F2 0.000 1.108 1.668
F3 0.000 -1.108 1.668
I4 1.808 0.000 -0.332
I5 -1.808 0.000 -0.332

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.36721.36722.16992.1699
F21.36722.21632.91512.9151
F31.36722.21632.91512.9151
I42.16992.91512.91513.6169
I52.16992.91512.91513.6169

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.291 F2 C1 I4 108.886
F2 C1 I5 108.886 F3 C1 I4 108.886
F3 C1 I5 108.886 I4 C1 I5 112.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.277      
2 F -0.253      
3 F -0.253      
4 I 0.115      
5 I 0.115      


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 -1.055 1.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.874 0.000 0.000
y 0.000 -73.586 0.000
z 0.000 0.000 -71.922
Traceless
 xyz
x 6.880 0.000 0.000
y 0.000 -4.688 0.000
z 0.000 0.000 -2.192
Polar
3z2-r2-4.384
x2-y27.712
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.944 0.000 0.000
y 0.000 6.837 0.000
z 0.000 0.000 7.935


<r2> (average value of r2) Å2
<r2> 479.048
(<r2>)1/2 21.887