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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-8303.259571
Energy at 298.15K 
HF Energy-8303.259571
Nuclear repulsion energy764.312517
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
(Å4/u)
Dep P Dep U
1 A1 705 669 148.47 13.99 0.57 0.73
2 A1 408 388 0.02 16.88 0.01 0.02
3 A1 213 202 0.15 8.72 0.38 0.55
4 E 713 677 137.00 2.91 0.75 0.86
4 E 713 677 137.01 2.91 0.75 0.86
5 E 288 274 0.08 5.25 0.75 0.86
5 E 288 274 0.08 5.25 0.75 0.86
6 E 172 164 0.03 3.79 0.75 0.86
6 E 172 164 0.03 3.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1836.1 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 1743.5 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 mPW1PW91/3-21G*
ABC
0.05668 0.02790 0.02790

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 -0.775
I2 0.000 0.000 1.411
Cl3 0.000 1.684 -1.375
Cl4 1.458 -0.842 -1.375
Cl5 -1.458 -0.842 -1.375

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.18571.78761.78761.7876
I22.18573.25513.25513.2551
Cl31.78763.25512.91652.9165
Cl41.78763.25512.91652.9165
Cl51.78763.25512.91652.9165

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.615 I2 C1 Cl4 109.615
I2 C1 Cl5 109.615 Cl3 C1 Cl4 109.327
Cl3 C1 Cl5 109.327 Cl4 C1 Cl5 109.327
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 -0.566      
2 I 0.214      
3 Cl 0.117      
4 Cl 0.117      
5 Cl 0.117      


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 0.837 0.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.692 0.000 0.000
y 0.000 -71.692 0.000
z 0.000 0.000 -68.625
Traceless
 xyz
x -1.534 0.000 0.000
y 0.000 -1.534 0.000
z 0.000 0.000 3.067
Polar
3z2-r26.134
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 8.944 0.000 0.000
y 0.000 8.944 0.000
z 0.000 0.000 11.424


<r2> (average value of r2) Å2
<r2> 394.245
(<r2>)1/2 19.856