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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-258.981718
Energy at 298.15K 
HF Energy-258.981718
Nuclear repulsion energy134.015474
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 HF/LANL2DZ
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 1101 990 334.59 50.23 0.51 0.68
2 A1 582 524 9.13 7.48 0.00 0.00
3 A1 280 252 0.60 24.95 0.18 0.30
4 A1 124 112 0.11 10.08 0.56 0.72
5 A2 262 236 0.00 2.51 0.75 0.86
6 B1 803 722 298.16 25.11 0.75 0.86
7 B1 289 260 4.88 6.15 0.75 0.86
8 B2 1146 1031 225.41 2.54 0.75 0.86
9 B2 319 287 0.60 5.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2452.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 2207.1 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 HF/LANL2DZ
ABC
0.09045 0.01878 0.01699

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.825
F2 0.000 1.102 1.662
F3 0.000 -1.102 1.662
I4 1.832 0.000 -0.329
I5 -1.832 0.000 -0.329

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.38351.38352.16522.1652
F21.38352.20362.92132.9213
F31.38352.20362.92132.9213
I42.16522.92132.92133.6638
I52.16522.92132.92133.6638

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 105.568 F2 C1 I4 108.810
F2 C1 I5 108.810 F3 C1 I4 108.810
F3 C1 I5 108.810 I4 C1 I5 115.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.000      
2 F -0.274      
3 F -0.274      
4 I 0.274      
5 I 0.274      


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 -2.439 2.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.487 0.000 0.000
y 0.000 -60.074 0.000
z 0.000 0.000 -59.773
Traceless
 xyz
x 9.436 0.000 0.000
y 0.000 -4.944 0.000
z 0.000 0.000 -4.492
Polar
3z2-r2-8.984
x2-y29.587
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.406 0.000 0.000
y 0.000 2.236 0.000
z 0.000 0.000 4.923


<r2> (average value of r2) Å2
<r2> 159.623
(<r2>)1/2 12.634