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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-14016.296165
Energy at 298.15K 
HF Energy-14016.296165
Nuclear repulsion energy953.327178
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/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 1085 1046 282.92 12.26 0.58 0.73
2 A1 561 540 13.61 2.38 0.01 0.01
3 A1 256 247 0.79 17.47 0.20 0.33
4 A1 110 106 0.01 7.69 0.52 0.68
5 A2 243 234 0.00 2.01 0.75 0.86
6 B1 704 678 420.85 10.85 0.75 0.86
7 B1 266 256 0.55 7.31 0.75 0.86
8 B2 1202 1158 136.89 0.21 0.75 0.86
9 B2 300 289 0.96 3.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2363.2 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 2276.5 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/3-21G
ABC
0.08815 0.01821 0.01647

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.884
F2 0.000 1.110 1.678
F3 0.000 -1.110 1.678
I4 1.861 0.000 -0.335
I5 -1.861 0.000 -0.335

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.36471.36472.22442.2244
F21.36472.21962.95732.9573
F31.36472.21962.95732.9573
I42.22442.95732.95733.7216
I52.22442.95732.95733.7216

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.828 F2 C1 I4 108.592
F2 C1 I5 108.592 F3 C1 I4 108.592
F3 C1 I5 108.592 I4 C1 I5 113.556
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.063      
2 F -0.243      
3 F -0.243      
4 I 0.211      
5 I 0.211      


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 -0.751 0.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.493 0.000 0.000
y 0.000 -73.970 0.000
z 0.000 0.000 -72.484
Traceless
 xyz
x 4.733 0.000 0.000
y 0.000 -3.481 0.000
z 0.000 0.000 -1.252
Polar
3z2-r2-2.505
x2-y25.476
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.901 0.000 0.000
y 0.000 3.746 0.000
z 0.000 0.000 5.687


<r2> (average value of r2) Å2
<r2> 501.203
(<r2>)1/2 22.388