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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B2PLYP/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 B2PLYP/STO-3G
 hartrees
Energy at 0K-14652.290368
Energy at 298.15K 
HF Energy-14652.249172
Nuclear repulsion energy1244.672518
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 B2PLYP/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 794 794 132.35 9.28 0.44 0.61
2 A1 352 352 1.07 12.58 0.01 0.02
3 A1 211 211 0.59 6.92 0.35 0.52
4 A1 120 120 0.00 4.27 0.68 0.81
5 A2 159 159 0.00 3.64 0.75 0.86
6 B1 732 732 130.00 5.51 0.75 0.86
7 B1 201 201 1.61 5.15 0.75 0.86
8 B2 818 818 126.39 8.16 0.75 0.86
9 B2 237 237 0.83 5.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1812.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1812.2 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 B2PLYP/STO-3G
ABC
0.03674 0.01678 0.01466

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 1.498 1.734
Cl3 0.000 -1.498 1.734
I4 1.828 0.000 -0.591
I5 -1.828 0.000 -0.591

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.87481.87482.18492.1849
Cl21.87482.99593.31493.3149
Cl31.87482.99593.31493.3149
I42.18493.31493.31493.6550
I52.18493.31493.31493.6550

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 106.071 Cl2 C1 I4 109.244
Cl2 C1 I5 109.244 Cl3 C1 I4 109.244
Cl3 C1 I5 109.244 I4 C1 I5 113.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 Cl -0.101      
3 Cl -0.101      
4 I 0.142      
5 I 0.142      


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 -1.643 1.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -79.720 0.000 0.000
y 0.000 -84.106 0.000
z 0.000 0.000 -84.206
Traceless
 xyz
x 4.436 0.000 0.000
y 0.000 -2.143 0.000
z 0.000 0.000 -2.293
Polar
3z2-r2-4.586
x2-y24.387
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.498 0.000 0.000
y 0.000 4.019 0.000
z 0.000 0.000 5.339


<r2> (average value of r2) Å2
<r2> 623.399
(<r2>)1/2 24.968