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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B2PLYP=FULLultrafine/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/cc-pVTZ-PP
 hartrees
Energy at 0K-828.665165
Energy at 298.15K 
HF Energy-828.289050
Nuclear repulsion energy391.747233
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 B2PLYP=FULLultrafine/cc-pVTZ-PP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1084 1084 278.60 22.24 0.30 0.46
2 A1 608 608 5.15 4.30 0.00 0.01
3 A1 274 274 0.07 15.49 0.12 0.22
4 A1 112 112 0.13 3.68 0.38 0.55
5 A2 250 250 0.00 0.61 0.75 0.86
6 B1 742 742 343.40 8.75 0.75 0.86
7 B1 276 276 0.01 3.79 0.75 0.86
8 B2 1139 1139 142.89 0.79 0.75 0.86
9 B2 311 311 0.12 1.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2397.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2397.2 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 B2PLYP=FULLultrafine/cc-pVTZ-PP
ABC
0.09159 0.01922 0.01733

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ-PP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.865
F2 0.000 1.078 1.652
F3 0.000 -1.078 1.652
I4 1.811 0.000 -0.330
I5 -1.811 0.000 -0.330

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.33481.33482.17012.1701
F21.33482.15672.89322.8932
F31.33482.15672.89322.8932
I42.17012.89322.89323.6230
I52.17012.89322.89323.6230

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.778 F2 C1 I4 108.935
F2 C1 I5 108.935 F3 C1 I4 108.935
F3 C1 I5 108.935 I4 C1 I5 113.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.241      
2 F -0.164      
3 F -0.164      
4 I 0.044      
5 I 0.044      


Electric dipole moments


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 15.333 0.000 0.000
y 0.000 8.140 0.000
z 0.000 0.000 9.378


<r2> (average value of r2) Å2
<r2> 286.963
(<r2>)1/2 16.940