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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-8257.105017
Energy at 298.15K 
HF Energy-8257.105017
Nuclear repulsion energy752.130702
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/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 809 714 180.70 4.87 0.20 0.33
2 A1 412 364 1.75 13.25 0.00 0.00
3 A1 216 191 1.32 6.31 0.51 0.68
4 E 856 756 164.66 4.35 0.75 0.86
4 E 856 756 164.67 4.35 0.75 0.86
5 E 276 244 1.55 4.87 0.75 0.86
5 E 276 244 1.55 4.87 0.75 0.86
6 E 170 150 0.04 4.08 0.75 0.86
6 E 170 150 0.04 4.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2020.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 1784.1 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/STO-3G
ABC
0.05424 0.02709 0.02709

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.728
I2 0.000 0.000 1.427
Cl3 0.000 1.721 -1.397
Cl4 1.491 -0.861 -1.397
Cl5 -1.491 -0.861 -1.397

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.15471.84691.84691.8469
I22.15473.30753.30753.3075
Cl31.84693.30752.98122.9812
Cl41.84693.30752.98122.9812
Cl51.84693.30752.98122.9812

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.260 I2 C1 Cl4 111.260
I2 C1 Cl5 111.260 Cl3 C1 Cl4 107.625
Cl3 C1 Cl5 107.625 Cl4 C1 Cl5 107.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 I 0.185      
3 Cl -0.065      
4 Cl -0.065      
5 Cl -0.065      


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 1.515 1.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.585 0.000 0.000
y 0.000 -68.585 0.000
z 0.000 0.000 -67.458
Traceless
 xyz
x -0.563 0.000 0.000
y 0.000 -0.563 0.000
z 0.000 0.000 1.127
Polar
3z2-r22.253
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 3.892 0.000 0.000
y 0.000 3.892 0.000
z 0.000 0.000 6.245


<r2> (average value of r2) Å2
<r2> 404.380
(<r2>)1/2 20.109