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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-93.274854
Energy at 298.15K 
HF Energy-93.031822
Nuclear repulsion energy94.559873
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/LANL2DZ
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 677 652 138.36 2.96 0.18 0.30
2 A1 363 349 0.21 15.51 0.04 0.08
3 A1 204 197 0.26 9.18 0.49 0.66
4 E 691 665 100.52 3.25 0.75 0.86
4 E 691 665 100.52 3.25 0.75 0.86
5 E 272 262 0.00 10.34 0.75 0.86
5 E 272 262 0.00 10.34 0.75 0.86
6 E 173 166 0.09 7.82 0.75 0.86
6 E 173 166 0.09 7.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1757.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1692.6 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 MP2/LANL2DZ
ABC
0.05223 0.02643 0.02643

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.751
I2 0.000 0.000 1.442
Cl3 0.000 1.754 -1.410
Cl4 1.519 -0.877 -1.410
Cl5 -1.519 -0.877 -1.410

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.19331.87361.87361.8736
I22.19333.34823.34823.3482
Cl31.87363.34823.03793.0379
Cl41.87363.34823.03793.0379
Cl51.87363.34823.03793.0379

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 110.586 I2 C1 Cl4 110.586
I2 C1 Cl5 110.586 Cl3 C1 Cl4 108.334
Cl3 C1 Cl5 108.334 Cl4 C1 Cl5 108.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability