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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ-PP
 hartrees
Energy at 0K-1550.086143
Energy at 298.15K 
HF Energy-1550.086143
Nuclear repulsion energy559.578962
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/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 732 732 98.68 17.57 0.35 0.52
2 A1 360 360 0.02 14.15 0.01 0.02
3 A1 210 210 0.01 9.23 0.18 0.31
4 A1 112 112 0.07 3.09 0.58 0.73
5 A2 157 157 0.00 2.31 0.75 0.86
6 B1 664 664 79.23 19.75 0.75 0.86
7 B1 195 195 0.11 4.30 0.75 0.86
8 B2 760 760 92.23 1.91 0.75 0.86
9 B2 231 231 0.48 3.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1710.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1710.1 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/cc-pVTZ-PP
ABC
0.03882 0.01783 0.01550

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ-PP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.660
Cl2 0.000 1.445 1.688
Cl3 0.000 -1.445 1.688
I4 1.775 0.000 -0.579
I5 -1.775 0.000 -0.579

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.77341.77342.16442.1644
Cl21.77342.89023.22123.2212
Cl31.77342.89023.22123.2212
I42.16443.22123.22123.5498
I52.16443.22123.22123.5498

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.148 Cl2 C1 I4 109.374
Cl2 C1 I5 109.374 Cl3 C1 I4 109.374
Cl3 C1 I5 109.374 I4 C1 I5 110.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 Cl -0.007      
3 Cl -0.007      
4 I 0.135      
5 I 0.135      


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 -0.612 0.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -80.296 0.000 0.000
y 0.000 -84.648 0.000
z 0.000 0.000 -83.426
Traceless
 xyz
x 3.741 0.000 0.000
y 0.000 -2.787 0.000
z 0.000 0.000 -0.954
Polar
3z2-r2-1.908
x2-y24.352
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.500 0.000 0.000
y 0.000 12.333 0.000
z 0.000 0.000 13.794


<r2> (average value of r2) Å2
<r2> 396.450
(<r2>)1/2 19.911