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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-8298.329993
Energy at 298.15K 
HF Energy-8297.714570
Nuclear repulsion energy759.474947
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 MP2/3-21G*
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 705 670 139.52 13.73 0.55 0.71
2 A1 400 381 0.05 13.36 0.01 0.02
3 A1 213 203 0.11 7.74 0.38 0.56
4 E 723 688 109.29 2.54 0.75 0.86
4 E 723 688 109.29 2.54 0.75 0.86
5 E 289 275 0.01 4.67 0.75 0.86
5 E 289 275 0.01 4.67 0.75 0.86
6 E 176 167 0.02 3.38 0.75 0.86
6 E 176 167 0.02 3.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1846.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 1756.5 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 MP2/3-21G*
ABC
0.05621 0.02750 0.02750

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.784
I2 0.000 0.000 1.423
Cl3 0.000 1.691 -1.386
Cl4 1.464 -0.845 -1.386
Cl5 -1.464 -0.845 -1.386

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.20701.79461.79461.7946
I22.20703.27823.27823.2782
Cl31.79463.27822.92852.9285
Cl41.79463.27822.92852.9285
Cl51.79463.27822.92852.9285

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.585 I2 C1 Cl4 109.585
I2 C1 Cl5 109.585 Cl3 C1 Cl4 109.358
Cl3 C1 Cl5 109.358 Cl4 C1 Cl5 109.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability