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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-14653.661686
Energy at 298.15K 
HF Energy-14653.661686
Nuclear repulsion energy1241.780927
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 B3LYP/STO-3G
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 763 681 156.85 8.04 0.34 0.51
2 A1 344 307 0.98 13.37 0.01 0.02
3 A1 206 183 0.34 7.39 0.35 0.52
4 A1 117 104 0.00 4.63 0.68 0.81
5 A2 155 138 0.00 3.71 0.75 0.86
6 B1 706 630 156.10 4.47 0.75 0.86
7 B1 196 175 1.09 5.61 0.75 0.86
8 B2 783 699 147.03 6.28 0.75 0.86
9 B2 233 208 0.59 5.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1751.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 1562.9 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 B3LYP/STO-3G
ABC
0.03654 0.01671 0.01460

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.607
Cl2 0.000 1.503 1.739
Cl3 0.000 -1.503 1.739
I4 1.831 0.000 -0.592
I5 -1.831 0.000 -0.592

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.88111.88112.18892.1889
Cl21.88113.00523.32333.3233
Cl31.88113.00523.32333.3233
I42.18893.32333.32333.6624
I52.18893.32333.32333.6624

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 106.031 Cl2 C1 I4 109.244
Cl2 C1 I5 109.244 Cl3 C1 I4 109.244
Cl3 C1 I5 109.244 I4 C1 I5 113.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 Cl -0.098      
3 Cl -0.098      
4 I 0.146      
5 I 0.146      


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 -1.662 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -79.504 0.000 0.000
y 0.000 -84.028 0.000
z 0.000 0.000 -84.131
Traceless
 xyz
x 4.575 0.000 0.000
y 0.000 -2.210 0.000
z 0.000 0.000 -2.365
Polar
3z2-r2-4.729
x2-y24.524
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.875 0.000 0.000
y 0.000 4.150 0.000
z 0.000 0.000 5.553


<r2> (average value of r2) Å2
<r2> 625.943
(<r2>)1/2 25.019