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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-8298.384586
Energy at 298.15K 
HF Energy-8297.714615
Nuclear repulsion energy759.831488
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=FULL/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 707 670 138.58 13.58 0.55 0.71
2 A1 400 379 0.04 13.34 0.01 0.02
3 A1 213 202 0.12 7.67 0.39 0.56
4 E 723 686 108.93 2.55 0.75 0.86
4 E 723 686 108.93 2.55 0.75 0.86
5 E 289 274 0.01 4.67 0.75 0.86
5 E 289 274 0.01 4.67 0.75 0.86
6 E 176 166 0.02 3.37 0.75 0.86
6 E 176 166 0.02 3.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1847.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1751.7 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 MP2=FULL/3-21G*
ABC
0.05625 0.02753 0.02753

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.783
I2 0.000 0.000 1.422
Cl3 0.000 1.690 -1.385
Cl4 1.464 -0.845 -1.385
Cl5 -1.464 -0.845 -1.385

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.20501.79421.79421.7942
I22.20503.27663.27663.2766
Cl31.79423.27662.92752.9275
Cl41.79423.27662.92752.9275
Cl51.79423.27662.92752.9275

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.604 I2 C1 Cl4 109.604
I2 C1 Cl5 109.604 Cl3 C1 Cl4 109.338
Cl3 C1 Cl5 109.338 Cl4 C1 Cl5 109.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability