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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-8303.716773
Energy at 298.15K 
HF Energy-8303.716773
Nuclear repulsion energy766.231238
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 B1B95/3-21G
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 705 674 146.94 14.73 0.57 0.72
2 A1 407 389 0.02 16.91 0.01 0.01
3 A1 212 202 0.23 8.48 0.39 0.56
4 E 709 678 137.58 3.00 0.75 0.86
4 E 709 678 137.51 3.01 0.75 0.86
5 E 285 273 0.04 5.17 0.75 0.86
5 E 285 273 0.04 5.17 0.75 0.86
6 E 169 162 0.02 3.75 0.75 0.86
6 E 169 162 0.02 3.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1824.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 1745.7 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 B1B95/3-21G
ABC
0.05687 0.02806 0.02806

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.773
I2 0.000 0.000 1.406
Cl3 0.000 1.681 -1.371
Cl4 1.456 -0.840 -1.371
Cl5 -1.456 -0.840 -1.371

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.17891.78411.78411.7841
I22.17893.24603.24603.2460
Cl31.78413.24602.91142.9114
Cl41.78413.24602.91142.9114
Cl51.78413.24602.91142.9114

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.582 I2 C1 Cl4 109.582
I2 C1 Cl5 109.582 Cl3 C1 Cl4 109.360
Cl3 C1 Cl5 109.360 Cl4 C1 Cl5 109.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.564      
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 0.862 0.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -71.513 0.000 0.000
y 0.000 -71.513 0.000
z 0.000 0.000 -68.407
Traceless
 xyz
x -1.553 0.000 0.000
y 0.000 -1.553 0.000
z 0.000 0.000 3.107
Polar
3z2-r26.214
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 8.921 0.000 0.000
y 0.000 8.922 -0.000
z 0.000 -0.000 11.388


<r2> (average value of r2) Å2
<r2> 392.320
(<r2>)1/2 19.807