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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-8255.304165
Energy at 298.15K 
HF Energy-8255.304165
Nuclear repulsion energy751.867512
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 PBE1PBE/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 817 721 182.35 4.79 0.23 0.37
2 A1 418 368 1.73 13.22 0.00 0.00
3 A1 220 194 1.29 6.36 0.51 0.68
4 E 864 763 165.85 4.27 0.75 0.86
4 E 864 763 165.85 4.27 0.75 0.86
5 E 280 247 1.57 4.81 0.75 0.86
5 E 280 247 1.57 4.81 0.75 0.86
6 E 173 152 0.04 4.05 0.75 0.86
6 E 173 152 0.04 4.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2044.4 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 1803.4 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 PBE1PBE/STO-3G
ABC
0.05424 0.02706 0.02706

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.730
I2 0.000 0.000 1.428
Cl3 0.000 1.721 -1.398
Cl4 1.491 -0.861 -1.398
Cl5 -1.491 -0.861 -1.398

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.15761.84641.84641.8464
I22.15763.30893.30893.3089
Cl31.84643.30892.98112.9811
Cl41.84643.30892.98112.9811
Cl51.84643.30892.98112.9811

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.225 I2 C1 Cl4 111.225
I2 C1 Cl5 111.225 Cl3 C1 Cl4 107.662
Cl3 C1 Cl5 107.662 Cl4 C1 Cl5 107.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 I 0.181      
3 Cl -0.064      
4 Cl -0.064      
5 Cl -0.064      


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 1.482 1.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.574 0.000 0.000
y 0.000 -68.574 0.000
z 0.000 0.000 -67.451
Traceless
 xyz
x -0.561 0.000 0.000
y 0.000 -0.561 0.000
z 0.000 0.000 1.122
Polar
3z2-r22.245
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 3.855 0.000 0.000
y 0.000 3.855 0.000
z 0.000 0.000 6.218


<r2> (average value of r2) Å2
<r2> 404.632
(<r2>)1/2 20.115