return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-8338.225377
Energy at 298.15K 
HF Energy-8338.225377
Nuclear repulsion energy748.712827
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 BLYP/6-311G*
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 594 592 209.06 16.61 0.55 0.71
2 A1 378 377 0.03 18.40 0.01 0.02
3 A1 183 183 1.98 15.48 0.35 0.52
4 E 649 647 194.85 1.33 0.75 0.86
4 E 649 647 194.85 1.33 0.75 0.86
5 E 274 273 1.57 7.44 0.75 0.86
5 E 274 273 1.57 7.44 0.75 0.86
6 E 163 163 0.02 5.39 0.75 0.86
6 E 163 163 0.02 5.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1663.0 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 1658.8 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 BLYP/6-311G*
ABC
0.05508 0.02665 0.02665

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.809
I2 0.000 0.000 1.448
Cl3 0.000 1.708 -1.410
Cl4 1.479 -0.854 -1.410
Cl5 -1.479 -0.854 -1.410

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.25751.81041.81041.8104
I22.25753.32923.32923.3292
Cl31.81043.32922.95842.9584
Cl41.81043.32922.95842.9584
Cl51.81043.32922.95842.9584

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.359 I2 C1 Cl4 109.359
I2 C1 Cl5 109.359 Cl3 C1 Cl4 109.583
Cl3 C1 Cl5 109.583 Cl4 C1 Cl5 109.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.454      
2 I 0.175      
3 Cl 0.093      
4 Cl 0.093      
5 Cl 0.093      


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 0.508 0.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -72.561 0.000 0.000
y 0.000 -72.561 0.000
z 0.000 0.000 -70.291
Traceless
 xyz
x -1.135 0.000 0.000
y 0.000 -1.135 0.000
z 0.000 0.000 2.270
Polar
3z2-r24.540
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.875 0.000 0.000
y 0.000 9.875 0.000
z 0.000 0.000 13.183


<r2> (average value of r2) Å2
<r2> 410.031
(<r2>)1/2 20.249