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All results from a given calculation for CH3Cl (Methyl chloride)

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-497.030529
Energy at 298.15K-497.033493
HF Energy-496.794679
Nuclear repulsion energy50.690841
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 3137 2931 16.28      
2 A1 1476 1379 10.87      
3 A1 699 653 27.03      
4 E 3228 3016 5.46      
4 E 3228 3016 5.46      
5 E 1585 1481 7.80      
5 E 1585 1481 7.80      
6 E 1085 1014 4.46      
6 E 1085 1014 4.46      

Unscaled Zero Point Vibrational Energy (zpe) 8553.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7992.2 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
5.22122 0.43072 0.43072

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 -1.147
Cl2 0.000 0.000 0.667
H3 0.000 1.033 -1.487
H4 0.895 -0.517 -1.487
H5 -0.895 -0.517 -1.487

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.81411.08791.08791.0879
Cl21.81412.38932.38932.3893
H31.08792.38931.78991.7899
H41.08792.38931.78991.7899
H51.08792.38931.78991.7899

picture of Methyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 108.218 Cl2 C1 H4 108.218
Cl2 C1 H5 108.218 H3 C1 H4 110.695
H3 C1 H5 110.695 H4 C1 H5 110.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability