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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-8298.259358
Energy at 298.15K 
HF Energy-8297.714935
Nuclear repulsion energy763.385509
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 CISD/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 758 708 102.98      
2 A1 417 390 0.01      
3 A1 221 206 0.63      
4 E 772 721 95.76      
4 E 772 721 95.76      
5 E 298 279 0.00      
5 E 298 279 0.00      
6 E 182 170 0.03      
6 E 182 170 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1949.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 1821.3 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 CISD/3-21G*
ABC
0.05682 0.02778 0.02778

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.776
I2 0.000 0.000 1.416
Cl3 0.000 1.682 -1.380
Cl4 1.456 -0.841 -1.380
Cl5 -1.456 -0.841 -1.380

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.19201.78661.78661.7866
I22.19203.26223.26223.2622
Cl31.78663.26222.91272.9127
Cl41.78663.26222.91272.9127
Cl51.78663.26222.91272.9127

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.739 I2 C1 Cl4 109.739
I2 C1 Cl5 109.739 Cl3 C1 Cl4 109.202
Cl3 C1 Cl5 109.202 Cl4 C1 Cl5 109.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability