return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-1427.316308
Energy at 298.15K 
HF Energy-1427.316308
Nuclear repulsion energy309.511358
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/SDD
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 761 685 135.40 29.95 0.75 0.86
2 A1 398 358 0.02 33.48 0.00 0.01
3 A1 217 195 1.42 13.92 0.44 0.61
4 E 771 695 130.07 24.52 0.75 0.86
4 E 771 695 130.07 24.52 0.75 0.86
5 E 295 265 0.15 10.55 0.75 0.86
5 E 295 265 0.15 10.55 0.75 0.86
6 E 185 166 0.03 7.52 0.75 0.86
6 E 185 166 0.03 7.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1938.5 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 1745.5 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 HF/SDD
ABC
0.05428 0.02717 0.02717

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.747
I2 0.000 0.000 1.425
Cl3 0.000 1.721 -1.393
Cl4 1.490 -0.860 -1.393
Cl5 -1.490 -0.860 -1.393

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.17231.83771.83771.8377
I22.17233.30173.30173.3017
Cl31.83773.30172.98022.9802
Cl41.83773.30172.98022.9802
Cl51.83773.30172.98022.9802

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 110.567 I2 C1 Cl4 110.567
I2 C1 Cl5 110.567 Cl3 C1 Cl4 108.354
Cl3 C1 Cl5 108.354 Cl4 C1 Cl5 108.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.578      
2 I 0.338      
3 Cl 0.080      
4 Cl 0.080      
5 Cl 0.080      


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 1.609 1.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.252 0.000 0.000
y 0.000 -66.252 0.000
z 0.000 0.000 -62.462
Traceless
 xyz
x -1.895 0.000 0.000
y 0.000 -1.895 0.000
z 0.000 0.000 3.791
Polar
3z2-r27.581
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 6.710 0.000 0.000
y 0.000 6.710 0.000
z 0.000 0.000 10.819


<r2> (average value of r2) Å2
<r2> 308.093
(<r2>)1/2 17.553