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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ-PP
 hartrees
Energy at 0K-1549.800000
Energy at 298.15K 
HF Energy-1549.800000
Nuclear repulsion energy556.602402
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 TPSSh/cc-pVTZ-PP
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 681 681 129.85 14.79 0.34 0.50
2 A1 346 346 0.01 15.08 0.01 0.02
3 A1 198 198 0.08 10.80 0.17 0.30
4 A1 104 104 0.05 3.86 0.57 0.73
5 A2 147 147 0.00 2.64 0.75 0.86
6 B1 600 600 115.72 16.30 0.75 0.86
7 B1 184 184 0.04 5.33 0.75 0.86
8 B2 710 710 115.35 1.59 0.75 0.86
9 B2 219 219 0.34 3.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1594.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1594.0 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 TPSSh/cc-pVTZ-PP
ABC
0.03836 0.01765 0.01531

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.675
Cl2 0.000 1.449 1.700
Cl3 0.000 -1.449 1.700
I4 1.785 0.000 -0.583
I5 -1.785 0.000 -0.583

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.77501.77502.18362.1836
Cl21.77502.89883.24003.2400
Cl31.77502.89883.24003.2400
I42.18363.24003.24003.5690
I52.18363.24003.24003.5690

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.482 Cl2 C1 I4 109.431
Cl2 C1 I5 109.431 Cl3 C1 I4 109.431
Cl3 C1 I5 109.431 I4 C1 I5 109.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 Cl -0.009      
3 Cl -0.009      
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 -0.421 0.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 17.238 0.000 0.000
y 0.000 12.643 0.000
z 0.000 0.000 14.279


<r2> (average value of r2) Å2
<r2> 400.222
(<r2>)1/2 20.006