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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-8298.375155
Energy at 298.15K 
HF Energy-8297.714332
Nuclear repulsion energy757.699954
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 QCISD/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 711 683 104.89      
2 A1 397 382 0.00      
3 A1 211 203 0.39      
4 E 729 700 92.39      
4 E 729 700 92.39      
5 E 286 275 0.00      
5 E 286 275 0.00      
6 E 174 167 0.03      
6 E 174 167 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1848.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 1776.6 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 QCISD/3-21G*
ABC
0.05601 0.02736 0.02736

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.785
I2 0.000 0.000 1.426
Cl3 0.000 1.694 -1.390
Cl4 1.467 -0.847 -1.390
Cl5 -1.467 -0.847 -1.390

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.21131.79881.79881.7988
I22.21133.28673.28673.2867
Cl31.79883.28672.93392.9339
Cl41.79883.28672.93392.9339
Cl51.79883.28672.93392.9339

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.663 I2 C1 Cl4 109.663
I2 C1 Cl5 109.663 Cl3 C1 Cl4 109.279
Cl3 C1 Cl5 109.279 Cl4 C1 Cl5 109.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability