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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-8254.739550
Energy at 298.15K 
HF Energy-8254.739550
Nuclear repulsion energy743.619513
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 PBEPBE/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 755 689 215.75 5.13 0.05 0.09
2 A1 394 360 1.48 14.60 0.00 0.01
3 A1 209 191 0.55 7.10 0.52 0.68
4 E 793 724 185.18 2.84 0.75 0.86
4 E 793 724 185.19 2.84 0.75 0.86
5 E 267 244 0.79 5.62 0.75 0.86
5 E 267 244 0.79 5.62 0.75 0.86
6 E 164 150 0.02 4.46 0.75 0.86
6 E 164 150 0.02 4.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1902.1 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 1737.8 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 PBEPBE/STO-3G
ABC
0.05294 0.02649 0.02649

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.735
I2 0.000 0.000 1.442
Cl3 0.000 1.742 -1.413
Cl4 1.509 -0.871 -1.413
Cl5 -1.509 -0.871 -1.413

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.17721.86941.86941.8694
I22.17723.34463.34463.3446
Cl31.86943.34463.01763.0176
Cl41.86943.34463.01763.0176
Cl51.86943.34463.01763.0176

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.257 I2 C1 Cl4 111.257
I2 C1 Cl5 111.257 Cl3 C1 Cl4 107.628
Cl3 C1 Cl5 107.628 Cl4 C1 Cl5 107.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 I 0.176      
3 Cl -0.061      
4 Cl -0.061      
5 Cl -0.061      


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 1.501 1.501
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.262 0.000 0.000
y 0.000 -68.262 0.000
z 0.000 0.000 -67.054
Traceless
 xyz
x -0.604 0.000 0.000
y 0.000 -0.604 0.000
z 0.000 0.000 1.208
Polar
3z2-r22.415
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 4.167 0.000 0.000
y 0.000 4.167 0.000
z 0.000 0.000 6.743


<r2> (average value of r2) Å2
<r2> 412.454
(<r2>)1/2 20.309