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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-76.823184
Energy at 298.15K 
HF Energy-76.823184
Nuclear repulsion energy87.816511
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 B3LYP/CEP-31G
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 977 946 294.87 10.56 0.69 0.82
2 A1 532 515 9.13 3.84 0.03 0.06
3 A1 255 247 0.03 16.53 0.22 0.36
4 A1 111 108 0.24 9.83 0.59 0.74
5 A2 235 227 0.00 3.21 0.75 0.86
6 B1 701 679 385.85 7.95 0.75 0.86
7 B1 262 254 0.10 7.15 0.75 0.86
8 B2 1007 975 185.60 0.69 0.75 0.86
9 B2 296 286 0.15 5.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2187.1 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 2118.0 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 B3LYP/CEP-31G
ABC
0.08729 0.01815 0.01644

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.840
F2 0.000 1.127 1.689
F3 0.000 -1.127 1.689
I4 1.862 0.000 -0.334
I5 -1.862 0.000 -0.334

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.41141.41142.20162.2016
F21.41142.25492.97202.9720
F31.41142.25492.97202.9720
I42.20162.97202.97203.7248
I52.20162.97202.97203.7248

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 106.039 F2 C1 I4 108.711
F2 C1 I5 108.711 F3 C1 I4 108.711
F3 C1 I5 108.711 I4 C1 I5 115.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 F -0.112      
3 F -0.112      
4 I 0.262      
5 I 0.262      


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 -2.105 2.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.996 0.000 0.000
y 0.000 -59.082 0.000
z 0.000 0.000 -58.358
Traceless
 xyz
x 8.723 0.000 0.000
y 0.000 -4.905 0.000
z 0.000 0.000 -3.818
Polar
3z2-r2-7.637
x2-y29.086
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.099 0.000 0.000
y 0.000 3.131 0.000
z 0.000 0.000 5.888


<r2> (average value of r2) Å2
<r2> 145.528
(<r2>)1/2 12.063