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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-8298.257312
Energy at 298.15K 
HF Energy-8297.714946
Nuclear repulsion energy763.630570
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 CID/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 760 707 103.28      
2 A1 418 389 0.01      
3 A1 221 206 0.61      
4 E 775 721 95.20      
4 E 775 721 95.20      
5 E 299 278 0.00      
5 E 299 278 0.00      
6 E 182 169 0.03      
6 E 182 169 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1954.8 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 1818.9 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 CID/3-21G*
ABC
0.05687 0.02779 0.02779

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 1.415
Cl3 0.000 1.681 -1.379
Cl4 1.456 -0.840 -1.379
Cl5 -1.456 -0.840 -1.379

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.19161.78581.78581.7858
I22.19163.26133.26133.2613
Cl31.78583.26132.91142.9114
Cl41.78583.26132.91142.9114
Cl51.78583.26132.91142.9114

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 109.737 I2 C1 Cl4 109.737
I2 C1 Cl5 109.737 Cl3 C1 Cl4 109.204
Cl3 C1 Cl5 109.204 Cl4 C1 Cl5 109.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability