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

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-499.383358
Energy at 298.15K-499.386337
HF Energy-499.092764
Nuclear repulsion energy51.180009
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 QCISD/6-31G*
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 3113 2964 23.93      
2 A1 1451 1381 15.98      
3 A1 765 728 23.85      
4 E 3214 3061 8.44      
4 E 3214 3061 8.44      
5 E 1530 1457 5.41      
5 E 1530 1457 5.41      
6 E 1073 1022 3.51      
6 E 1073 1022 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 8480.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8075.6 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 QCISD/6-31G*
ABC
5.22266 0.44146 0.44146

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.129
Cl2 0.000 0.000 0.660
H3 0.000 1.034 -1.480
H4 0.895 -0.517 -1.480
H5 -0.895 -0.517 -1.480

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78861.09161.09161.0916
Cl21.78862.37582.37582.3758
H31.09162.37581.79061.7906
H41.09162.37581.79061.7906
H51.09162.37581.79061.7906

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 108.732 Cl2 C1 H4 108.732
Cl2 C1 H5 108.732 H3 C1 H4 110.200
H3 C1 H5 110.200 H4 C1 H5 110.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability