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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-60.878127
Energy at 298.15K 
HF Energy-60.617426
Nuclear repulsion energy79.027417
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 MP2/CEP-121G
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 672 656 140.29 4.16 0.50 0.66
2 A1 368 359 0.31 17.15 0.03 0.05
3 A1 203 198 0.32 10.18 0.54 0.70
4 E 697 681 108.29 3.60 0.75 0.86
4 E 697 681 108.29 3.60 0.75 0.86
5 E 270 264 0.01 10.20 0.75 0.86
5 E 270 264 0.01 10.20 0.75 0.86
6 E 169 165 0.10 7.78 0.75 0.86
6 E 169 165 0.10 7.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1758.1 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 1715.9 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 MP2/CEP-121G
ABC
0.05176 0.02628 0.02628

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.758
I2 0.000 0.000 1.445
Cl3 0.000 1.762 -1.413
Cl4 1.526 -0.881 -1.413
Cl5 -1.526 -0.881 -1.413

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.20391.87961.87961.8796
I22.20393.35783.35783.3578
Cl31.87963.35783.05193.0519
Cl41.87963.35783.05193.0519
Cl51.87963.35783.05193.0519

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 110.376 I2 C1 Cl4 110.376
I2 C1 Cl5 110.376 Cl3 C1 Cl4 108.551
Cl3 C1 Cl5 108.551 Cl4 C1 Cl5 108.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability