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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-8297.623209
Energy at 298.15K 
HF Energy-8297.320725
Nuclear repulsion energy736.909872
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 699 668 111.43 4.42 0.27 0.42
2 A1 351 335 0.04 16.54 0.01 0.03
3 A1 202 193 1.23 8.36 0.51 0.67
4 E 671 641 106.71 5.98 0.75 0.86
4 E 671 641 106.71 5.98 0.75 0.86
5 E 261 249 0.01 7.92 0.75 0.86
5 E 261 249 0.01 7.92 0.75 0.86
6 E 164 156 0.02 6.01 0.75 0.86
6 E 164 156 0.02 6.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1721.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 1644.0 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
0.05185 0.02604 0.02604

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 -0.733
I2 0.000 0.000 1.454
Cl3 0.000 1.760 -1.425
Cl4 1.525 -0.880 -1.425
Cl5 -1.525 -0.880 -1.425

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.18711.89141.89141.8914
I22.18713.37443.37443.3744
Cl31.89143.37443.04913.0491
Cl41.89143.37443.04913.0491
Cl51.89143.37443.04913.0491

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.452 I2 C1 Cl4 111.452
I2 C1 Cl5 111.452 Cl3 C1 Cl4 107.420
Cl3 C1 Cl5 107.420 Cl4 C1 Cl5 107.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability