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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-8302.844319
Energy at 298.15K 
HF Energy-8302.844319
Nuclear repulsion energy748.501623
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 mPW1PW91/3-21G
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 712 680 170.91 6.22 0.38 0.55
2 A1 378 361 0.06 21.39 0.01 0.02
3 A1 209 199 0.96 10.12 0.48 0.65
4 E 691 660 164.00 5.46 0.75 0.86
4 E 691 660 163.99 5.46 0.75 0.86
5 E 273 261 0.00 8.56 0.75 0.86
5 E 273 261 0.00 8.56 0.75 0.86
6 E 168 160 0.01 6.50 0.75 0.86
6 E 168 160 0.01 6.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1781.1 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 1700.2 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 mPW1PW91/3-21G
ABC
0.05375 0.02683 0.02683

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.734
I2 0.000 0.000 1.434
Cl3 0.000 1.729 -1.404
Cl4 1.497 -0.865 -1.404
Cl5 -1.497 -0.865 -1.404

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.16801.85451.85451.8545
I22.16803.32363.32363.3236
Cl31.85453.32362.99482.9948
Cl41.85453.32362.99482.9948
Cl51.85453.32362.99482.9948

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.193 I2 C1 Cl4 111.193
I2 C1 Cl5 111.193 Cl3 C1 Cl4 107.695
Cl3 C1 Cl5 107.695 Cl4 C1 Cl5 107.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.878      
2 I 0.381      
3 Cl 0.166      
4 Cl 0.166      
5 Cl 0.166      


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 1.557 1.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -73.251 0.000 0.000
y 0.000 -73.251 0.000
z 0.000 0.000 -70.087
Traceless
 xyz
x -1.582 0.000 0.000
y 0.000 -1.582 0.000
z 0.000 0.000 3.165
Polar
3z2-r26.329
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 7.532 0.000 0.000
y 0.000 7.532 0.000
z 0.000 0.000 10.402


<r2> (average value of r2) Å2
<r2> 410.375
(<r2>)1/2 20.258