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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: wB97X-D/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-121G
 hartrees
Energy at 0K-58.313580
Energy at 298.15K 
HF Energy-58.313580
Nuclear repulsion energy76.584908
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 wB97X-D/CEP-121G
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 697 697 130.49 8.11 0.63 0.77
2 A1 341 341 0.09 19.87 0.04 0.07
3 A1 206 206 0.08 13.13 0.38 0.55
4 A1 114 114 0.13 7.67 0.70 0.82
5 A2 156 156 0.00 6.73 0.75 0.86
6 B1 645 645 124.04 8.11 0.75 0.86
7 B1 195 195 0.28 9.83 0.75 0.86
8 B2 707 707 116.68 5.89 0.75 0.86
9 B2 234 234 0.07 9.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1647.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1647.3 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 wB97X-D/CEP-121G
ABC
0.03653 0.01703 0.01486

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.645
Cl2 0.000 1.505 1.734
Cl3 0.000 -1.505 1.734
I4 1.810 0.000 -0.593
I5 -1.810 0.000 -0.593

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.85771.85772.19252.1925
Cl21.85773.00913.30983.3098
Cl31.85773.00913.30983.3098
I42.19253.30983.30983.6198
I52.19253.30983.30983.6198

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 108.167 Cl2 C1 I4 109.334
Cl2 C1 I5 109.334 Cl3 C1 I4 109.334
Cl3 C1 I5 109.334 I4 C1 I5 111.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.983      
2 Cl 0.152      
3 Cl 0.152      
4 I 0.339      
5 I 0.339      


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 -1.435 1.435
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.464 0.000 0.000
y 0.000 -71.903 0.000
z 0.000 0.000 -70.507
Traceless
 xyz
x 5.742 0.000 0.000
y 0.000 -3.918 0.000
z 0.000 0.000 -1.823
Polar
3z2-r2-3.646
x2-y26.440
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.745 0.000 0.000
y 0.000 7.773 0.000
z 0.000 0.000 9.847


<r2> (average value of r2) Å2
<r2> 169.523
(<r2>)1/2 13.020