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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-14735.649666
Energy at 298.15K 
HF Energy-14735.649666
Nuclear repulsion energy1249.437627
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 693 665 112.80 18.18 0.72 0.84
2 A1 332 319 0.05 21.96 0.01 0.02
3 A1 204 196 0.49 12.11 0.32 0.49
4 A1 115 110 0.04 6.13 0.67 0.80
5 A2 152 146 0.00 5.30 0.75 0.86
6 B1 679 651 92.53 20.39 0.75 0.86
7 B1 192 184 1.09 7.89 0.75 0.86
8 B2 684 656 109.93 12.16 0.75 0.86
9 B2 228 218 0.02 7.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1639.5 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 1571.8 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
0.03681 0.01696 0.01480

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 0.609
Cl2 0.000 1.495 1.733
Cl3 0.000 -1.495 1.733
I4 1.816 0.000 -0.590
I5 -1.816 0.000 -0.590

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.87091.87092.17642.1764
Cl21.87092.99043.30653.3065
Cl31.87092.99043.30653.3065
I42.17643.30653.30653.6329
I52.17643.30653.30653.6329

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 106.107 Cl2 C1 I4 109.336
Cl2 C1 I5 109.336 Cl3 C1 I4 109.336
Cl3 C1 I5 109.336 I4 C1 I5 113.148
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 -0.926      
2 Cl 0.121      
3 Cl 0.121      
4 I 0.342      
5 I 0.342      


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 -1.637 1.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -83.370 0.000 0.000
y 0.000 -90.372 0.000
z 0.000 0.000 -89.352
Traceless
 xyz
x 6.492 0.000 0.000
y 0.000 -4.010 0.000
z 0.000 0.000 -2.481
Polar
3z2-r2-4.963
x2-y27.001
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.460 0.000 0.000
y 0.000 7.997 0.000
z 0.000 0.000 9.709


<r2> (average value of r2) Å2
<r2> 621.803
(<r2>)1/2 24.936