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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-8297.588797
Energy at 298.15K 
HF Energy-8297.321819
Nuclear repulsion energy741.109123
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 733 690 92.66      
2 A1 366 345 0.13      
3 A1 207 195 1.88      
4 E 707 666 103.11      
4 E 707 666 103.11      
5 E 270 254 0.06      
5 E 270 254 0.06      
6 E 169 159 0.01      
6 E 169 159 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1799.3 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 1693.7 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 CISD/3-21G
ABC
0.05260 0.02631 0.02631

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 -0.733
I2 0.000 0.000 1.448
Cl3 0.000 1.748 -1.418
Cl4 1.514 -0.874 -1.418
Cl5 -1.514 -0.874 -1.418

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.18041.87741.87741.8774
I22.18043.35663.35663.3566
Cl31.87743.35663.02743.0274
Cl41.87743.35663.02743.0274
Cl51.87743.35663.02743.0274

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.410 I2 C1 Cl4 111.410
I2 C1 Cl5 111.410 Cl3 C1 Cl4 107.465
Cl3 C1 Cl5 107.465 Cl4 C1 Cl5 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability