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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-14736.024123
Energy at 298.15K 
HF Energy-14736.024123
Nuclear repulsion energy1270.382369
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 M06-2X/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 719 681 95.40 20.63 0.48 0.65
2 A1 354 335 0.11 16.65 0.01 0.02
3 A1 212 201 0.12 9.29 0.24 0.39
4 A1 113 107 0.06 3.48 0.61 0.76
5 A2 155 146 0.00 2.88 0.75 0.86
6 B1 675 640 77.34 23.68 0.75 0.86
7 B1 195 185 0.36 5.16 0.75 0.86
8 B2 705 668 87.36 4.90 0.75 0.86
9 B2 230 218 0.16 4.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1678.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 1590.3 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 M06-2X/3-21G*
ABC
0.03813 0.01759 0.01528

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.664
Cl2 0.000 1.458 1.704
Cl3 0.000 -1.458 1.704
I4 1.786 0.000 -0.584
I5 -1.786 0.000 -0.584

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.79021.79022.17942.1794
Cl21.79022.91513.24813.2481
Cl31.79022.91513.24813.2481
I42.17943.24813.24813.5730
I52.17943.24813.24813.5730

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.010 Cl2 C1 I4 109.426
Cl2 C1 I5 109.426 Cl3 C1 I4 109.426
Cl3 C1 I5 109.426 I4 C1 I5 110.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.569      
2 Cl 0.094      
3 Cl 0.094      
4 I 0.191      
5 I 0.191      


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 -0.947 0.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -82.679 0.000 0.000
y 0.000 -88.449 0.000
z 0.000 0.000 -86.975
Traceless
 xyz
x 5.033 0.000 0.000
y 0.000 -3.622 0.000
z 0.000 0.000 -1.411
Polar
3z2-r2-2.822
x2-y25.770
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.586 0.000 0.000
y 0.000 10.434 0.000
z 0.000 0.000 11.889


<r2> (average value of r2) Å2
<r2> 601.767
(<r2>)1/2 24.531