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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: PBE1PBE/3-21G*

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/3-21G*
 hartrees
Energy at 0K-8301.862564
Energy at 298.15K 
HF Energy-8301.862564
Nuclear repulsion energy764.972128
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/3-21G*
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 708 679 147.66 13.79 0.56 0.72
2 A1 410 394 0.01 16.65 0.01 0.02
3 A1 213 205 0.16 8.57 0.38 0.55
4 E 717 688 136.59 2.73 0.75 0.86
4 E 717 688 136.59 2.74 0.75 0.86
5 E 289 277 0.07 5.20 0.75 0.86
5 E 289 277 0.07 5.20 0.75 0.86
6 E 173 166 0.03 3.77 0.75 0.86
6 E 173 166 0.03 3.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1843.6 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 1769.5 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/3-21G*
ABC
0.05676 0.02795 0.02795

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.775
I2 0.000 0.000 1.409
Cl3 0.000 1.683 -1.374
Cl4 1.457 -0.841 -1.374
Cl5 -1.457 -0.841 -1.374

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.18391.78611.78611.7861
I22.18393.25213.25213.2521
Cl31.78613.25212.91432.9143
Cl41.78613.25212.91432.9143
Cl51.78613.25212.91432.9143

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.598 I2 C1 Cl4 109.598
I2 C1 Cl5 109.598 Cl3 C1 Cl4 109.345
Cl3 C1 Cl5 109.345 Cl4 C1 Cl5 109.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.575      
2 I 0.214      
3 Cl 0.120      
4 Cl 0.120      
5 Cl 0.120      


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 0.820 0.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.778 0.000 0.000
y 0.000 -71.778 0.000
z 0.000 0.000 -68.716
Traceless
 xyz
x -1.531 0.000 0.000
y 0.000 -1.531 0.000
z 0.000 0.000 3.062
Polar
3z2-r26.123
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 8.936 0.000 0.000
y 0.000 8.936 0.000
z 0.000 0.000 11.405


<r2> (average value of r2) Å2
<r2> 393.683
(<r2>)1/2 19.841