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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-14735.556745
Energy at 298.15K 
HF Energy-14735.556745
Nuclear repulsion energy1267.618885
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 wB97X-D/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 717 679 87.87 14.85 0.52 0.68
2 A1 357 339 0.19 14.54 0.02 0.03
3 A1 213 202 0.19 8.55 0.23 0.37
4 A1 111 105 0.08 3.07 0.62 0.77
5 A2 158 150 0.00 2.79 0.75 0.86
6 B1 689 653 64.26 16.88 0.75 0.86
7 B1 197 187 0.39 4.75 0.75 0.86
8 B2 717 680 84.89 4.14 0.75 0.86
9 B2 229 217 0.35 3.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1694.1 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 1605.7 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 wB97X-D/3-21G*
ABC
0.03803 0.01748 0.01521

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.660
Cl2 0.000 1.461 1.705
Cl3 0.000 -1.461 1.705
I4 1.792 0.000 -0.584
I5 -1.792 0.000 -0.584

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.79651.79652.18162.1816
Cl21.79652.92283.25393.2539
Cl31.79652.92283.25393.2539
I42.18163.25393.25393.5835
I52.18163.25393.25393.5835

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 108.874 Cl2 C1 I4 109.379
Cl2 C1 I5 109.379 Cl3 C1 I4 109.379
Cl3 C1 I5 109.379 I4 C1 I5 110.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.586      
2 Cl 0.090      
3 Cl 0.090      
4 I 0.203      
5 I 0.203      


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 -1.069 1.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -82.065 0.000 0.000
y 0.000 -88.361 0.000
z 0.000 0.000 -86.855
Traceless
 xyz
x 5.543 0.000 0.000
y 0.000 -3.901 0.000
z 0.000 0.000 -1.642
Polar
3z2-r2-3.284
x2-y26.296
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.439 0.000 0.000
y 0.000 10.553 0.000
z 0.000 0.000 11.879


<r2> (average value of r2) Å2
<r2> 604.130
(<r2>)1/2 24.579