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

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-499.484182
Energy at 298.15K-499.487157
HF Energy-499.104359
Nuclear repulsion energy51.240665
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(2df,p)
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 3122 2957 18.29      
2 A1 1416 1342 14.73      
3 A1 761 721 25.16      
4 E 3228 3058 3.63      
4 E 3228 3058 3.63      
5 E 1514 1434 4.54      
5 E 1514 1434 4.54      
6 E 1052 996 2.63      
6 E 1052 996 2.63      

Unscaled Zero Point Vibrational Energy (zpe) 8443.2 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 7999.1 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(2df,p)
ABC
5.23938 0.44221 0.44221

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

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 0.658
H3 0.000 1.032 -1.474
H4 0.893 -0.516 -1.474
H5 -0.893 -0.516 -1.474

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78731.08771.08771.0877
Cl21.78732.36852.36852.3685
H31.08772.36851.78681.7868
H41.08772.36851.78681.7868
H51.08772.36851.78681.7868

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 108.484 Cl2 C1 H4 108.484
Cl2 C1 H5 108.484 H3 C1 H4 110.440
H3 C1 H5 110.440 H4 C1 H5 110.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability