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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-14652.658082
Energy at 298.15K 
HF Energy-14652.658082
Nuclear repulsion energy1251.834110
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 HSEh1PBE/STO-3G
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 797 704 159.45 7.19 0.36 0.53
2 A1 357 315 1.27 12.36 0.01 0.02
3 A1 212 188 0.42 6.93 0.35 0.51
4 A1 120 106 0.00 4.42 0.68 0.81
5 A2 159 140 0.00 3.54 0.75 0.86
6 B1 732 646 157.73 4.46 0.75 0.86
7 B1 202 179 1.27 5.27 0.75 0.86
8 B2 822 726 150.91 5.48 0.75 0.86
9 B2 240 212 0.84 5.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1820.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 1607.5 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 HSEh1PBE/STO-3G
ABC
0.03716 0.01698 0.01483

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.608
Cl2 0.000 1.488 1.725
Cl3 0.000 -1.488 1.725
I4 1.817 0.000 -0.588
I5 -1.817 0.000 -0.588

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.86031.86032.17522.1752
Cl21.86032.97583.29583.2958
Cl31.86032.97583.29583.2958
I42.17523.29583.29583.6341
I52.17523.29583.29583.6341

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 106.225 Cl2 C1 I4 109.265
Cl2 C1 I5 109.265 Cl3 C1 I4 109.265
Cl3 C1 I5 109.265 I4 C1 I5 113.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 Cl -0.094      
3 Cl -0.094      
4 I 0.137      
5 I 0.137      


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 -1.514 1.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -79.953 0.000 0.000
y 0.000 -84.039 0.000
z 0.000 0.000 -84.137
Traceless
 xyz
x 4.135 0.000 0.000
y 0.000 -1.994 0.000
z 0.000 0.000 -2.141
Polar
3z2-r2-4.282
x2-y24.086
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.584 0.000 0.000
y 0.000 3.959 0.000
z 0.000 0.000 5.325


<r2> (average value of r2) Å2
<r2> 616.870
(<r2>)1/2 24.837