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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-60.619924
Energy at 298.15K 
HF Energy-60.619924
Nuclear repulsion energy80.626864
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 HF/CEP-121G
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 758 692 137.19 37.32 0.75 0.86
2 A1 408 372 0.09 33.66 0.00 0.00
3 A1 218 199 1.58 14.70 0.47 0.64
4 E 793 723 135.66 25.03 0.75 0.86
4 E 793 723 135.66 25.03 0.75 0.86
5 E 297 271 0.20 10.59 0.75 0.86
5 E 297 271 0.20 10.59 0.75 0.86
6 E 183 167 0.04 7.54 0.75 0.86
6 E 183 167 0.04 7.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1964.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 1792.3 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 HF/CEP-121G
ABC
0.05412 0.02718 0.02718

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.752
I2 0.000 0.000 1.424
Cl3 0.000 1.723 -1.391
Cl4 1.492 -0.862 -1.391
Cl5 -1.492 -0.862 -1.391

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.17621.83781.83781.8378
I22.17623.30083.30083.3008
Cl31.83783.30082.98442.9844
Cl41.83783.30082.98442.9844
Cl51.83783.30082.98442.9844

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 110.353 I2 C1 Cl4 110.353
I2 C1 Cl5 110.353 Cl3 C1 Cl4 108.575
Cl3 C1 Cl5 108.575 Cl4 C1 Cl5 108.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.805      
2 I 0.395      
3 Cl 0.137      
4 Cl 0.137      
5 Cl 0.137      


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 1.663 1.663
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.216 0.000 0.000
y 0.000 -64.216 0.000
z 0.000 0.000 -60.537
Traceless
 xyz
x -1.840 0.000 0.000
y 0.000 -1.840 0.000
z 0.000 0.000 3.679
Polar
3z2-r27.358
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 7.495 0.000 0.000
y 0.000 7.495 0.000
z 0.000 0.000 11.048


<r2> (average value of r2) Å2
<r2> 158.804
(<r2>)1/2 12.602