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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-1554.066765
Energy at 298.15K 
HF Energy-1554.066765
Nuclear repulsion energy561.062469
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/Def2TZVPP
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 733 700 96.25 20.58 0.37 0.54
2 A1 361 345 0.02 13.16 0.01 0.01
3 A1 210 201 0.01 8.64 0.20 0.34
4 A1 112 107 0.08 2.92 0.60 0.75
5 A2 157 150 0.00 2.29 0.75 0.86
6 B1 663 633 77.22 21.71 0.75 0.86
7 B1 196 187 0.10 4.31 0.75 0.86
8 B2 762 728 90.89 2.25 0.75 0.86
9 B2 232 221 0.48 2.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1712.7 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 1636.0 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 wB97X-D/Def2TZVPP
ABC
0.03899 0.01794 0.01559

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.659
Cl2 0.000 1.442 1.684
Cl3 0.000 -1.442 1.684
I4 1.769 0.000 -0.577
I5 -1.769 0.000 -0.577

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.76961.76962.15802.1580
Cl21.76962.88433.21303.2130
Cl31.76962.88433.21303.2130
I42.15803.21303.21303.5379
I52.15803.21303.21303.5379

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.167 Cl2 C1 I4 109.386
Cl2 C1 I5 109.386 Cl3 C1 I4 109.386
Cl3 C1 I5 109.386 I4 C1 I5 110.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 Cl -0.016      
3 Cl -0.016      
4 I 0.070      
5 I 0.070      


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 -0.605 0.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -79.945 0.000 0.000
y 0.000 -84.145 0.000
z 0.000 0.000 -82.914
Traceless
 xyz
x 3.584 0.000 0.000
y 0.000 -2.715 0.000
z 0.000 0.000 -0.869
Polar
3z2-r2-1.739
x2-y24.199
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 16.892 0.000 0.000
y 0.000 12.354 0.000
z 0.000 0.000 13.998


<r2> (average value of r2) Å2
<r2> 394.299
(<r2>)1/2 19.857