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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ-PP
 hartrees
Energy at 0K-1550.161202
Energy at 298.15K 
HF Energy-1550.161202
Nuclear repulsion energy554.160210
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/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 677 677 122.28 16.15 0.34 0.51
2 A1 346 346 0.00 14.74 0.01 0.02
3 A1 199 199 0.10 11.41 0.17 0.28
4 A1 107 107 0.09 3.96 0.55 0.71
5 A2 152 152 0.00 2.58 0.75 0.86
6 B1 597 597 109.74 17.83 0.75 0.86
7 B1 186 186 0.08 5.55 0.75 0.86
8 B2 707 707 108.74 1.63 0.75 0.86
9 B2 224 224 0.54 3.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1597.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1597.5 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/cc-pVTZ-PP
ABC
0.03816 0.01743 0.01514

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ-PP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.676
Cl2 0.000 1.453 1.704
Cl3 0.000 -1.453 1.704
I4 1.797 0.000 -0.585
I5 -1.797 0.000 -0.585

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.78001.78002.19542.1954
Cl21.78002.90613.25293.2529
Cl31.78002.90613.25293.2529
I42.19543.25293.25293.5942
I52.19543.25293.25293.5942

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.433 Cl2 C1 I4 109.377
Cl2 C1 I5 109.377 Cl3 C1 I4 109.377
Cl3 C1 I5 109.377 I4 C1 I5 109.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 Cl -0.013      
3 Cl -0.013      
4 I 0.119      
5 I 0.119      


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 -0.476 0.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -80.844 0.000 0.000
y 0.000 -84.689 0.000
z 0.000 0.000 -83.493
Traceless
 xyz
x 3.247 0.000 0.000
y 0.000 -2.520 0.000
z 0.000 0.000 -0.727
Polar
3z2-r2-1.454
x2-y23.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 17.156 0.000 0.000
y 0.000 12.543 0.000
z 0.000 0.000 14.174


<r2> (average value of r2) Å2
<r2> 403.709
(<r2>)1/2 20.093