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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-14743.258697
Energy at 298.15K 
HF Energy-14743.258697
Nuclear repulsion energy1248.510312
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 B97D3/3-21G*
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 610 610 153.05 7.56 0.51 0.67
2 A1 330 330 0.58 16.27 0.03 0.06
3 A1 196 196 0.06 11.82 0.19 0.32
4 A1 103 103 0.10 4.90 0.57 0.73
5 A2 148 148 0.00 3.42 0.75 0.86
6 B1 580 580 136.91 9.83 0.75 0.86
7 B1 183 183 0.09 6.94 0.75 0.86
8 B2 597 597 138.08 2.28 0.75 0.86
9 B2 217 217 0.78 5.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1482.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1482.1 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 B97D3/3-21G*
ABC
0.03699 0.01696 0.01472

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.683
Cl2 0.000 1.477 1.731
Cl3 0.000 -1.477 1.731
I4 1.821 0.000 -0.594
I5 -1.821 0.000 -0.594

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.81091.81092.22392.2239
Cl21.81092.95383.30163.3016
Cl31.81092.95383.30163.3016
I42.22393.30163.30163.6421
I52.22393.30163.30163.6421

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.285 Cl2 C1 I4 109.400
Cl2 C1 I5 109.400 Cl3 C1 I4 109.400
Cl3 C1 I5 109.400 I4 C1 I5 109.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.528      
2 Cl 0.090      
3 Cl 0.090      
4 I 0.174      
5 I 0.174      


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 -0.792 0.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -81.880 0.000 0.000
y 0.000 -87.156 0.000
z 0.000 0.000 -85.699
Traceless
 xyz
x 4.548 0.000 0.000
y 0.000 -3.366 0.000
z 0.000 0.000 -1.182
Polar
3z2-r2-2.363
x2-y25.276
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.670 0.000 0.000
y 0.000 11.022 0.000
z 0.000 0.000 12.638


<r2> (average value of r2) Å2
<r2> 620.716
(<r2>)1/2 24.914