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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-499.216099
Energy at 298.15K-499.219004
HF Energy-499.055343
Nuclear repulsion energy49.045903
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 3084 2971 15.74      
2 A1 1407 1356 17.02      
3 A1 632 609 23.33      
4 E 3201 3084 7.52      
4 E 3201 3084 7.52      
5 E 1522 1466 7.13      
5 E 1522 1466 7.13      
6 E 1025 988 3.87      
6 E 1025 988 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 8308.5 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 8006.1 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
ABC
5.09935 0.39817 0.39817

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 -1.204
Cl2 0.000 0.000 0.694
H3 0.000 1.046 -1.524
H4 0.906 -0.523 -1.524
H5 -0.906 -0.523 -1.524

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.89721.09351.09351.0935
Cl21.89722.45152.45152.4515
H31.09352.45151.81111.8111
H41.09352.45151.81111.8111
H51.09352.45151.81111.8111

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 107.017 Cl2 C1 H4 107.017
Cl2 C1 H5 107.017 H3 C1 H4 111.810
H3 C1 H5 111.810 H4 C1 H5 111.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability