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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: TPSSh/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/STO-3G
 hartrees
Energy at 0K-13939.730201
Energy at 298.15K 
HF Energy-13939.730201
Nuclear repulsion energy938.283706
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 TPSSh/STO-3G
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 1173 1173 191.04 4.41 0.69 0.82
2 A1 567 567 20.10 2.87 0.01 0.02
3 A1 275 275 2.73 10.78 0.16 0.28
4 A1 110 110 0.14 6.01 0.53 0.69
5 A2 243 243 0.00 1.76 0.75 0.86
6 B1 687 687 350.00 6.68 0.75 0.86
7 B1 270 270 5.22 6.19 0.75 0.86
8 B2 1295 1295 121.29 0.27 0.75 0.86
9 B2 316 316 3.89 2.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2467.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2467.6 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 TPSSh/STO-3G
ABC
0.08356 0.01781 0.01601

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.920
F2 0.000 1.118 1.732
F3 0.000 -1.118 1.732
I4 1.882 0.000 -0.346
I5 -1.882 0.000 -0.346

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.38201.38202.26852.2685
F21.38202.23663.01873.0187
F31.38202.23663.01873.0187
I42.26853.01873.01873.7638
I52.26853.01873.01873.7638

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.036 F2 C1 I4 109.150
F2 C1 I5 109.150 F3 C1 I4 109.150
F3 C1 I5 109.150 I4 C1 I5 112.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.088      
2 F -0.029      
3 F -0.029      
4 I -0.015      
5 I -0.015      


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 1.414 1.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.973 0.000 0.000
y 0.000 1.557 0.000
z 0.000 0.000 3.567


<r2> (average value of r2) Å2
<r2> 511.396
(<r2>)1/2 22.614