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

using model chemistry: QCISD(T)/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(T)/6-31G*
 hartrees
Energy at 0K-499.389953
Energy at 298.15K-499.392926
HF Energy-499.092682
Nuclear repulsion energy51.110080
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(T)/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 3098 2972        
2 A1 1442 1383        
3 A1 756 725        
4 E 3200 3069        
4 E 3199 3069        
5 E 1523 1461        
5 E 1523 1461        
6 E 1066 1023        
6 E 1066 1023        

Unscaled Zero Point Vibrational Energy (zpe) 8436.6 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 8093.3 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(T)/6-31G*
ABC
5.21209 0.44021 0.44021

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.130
Cl2 0.000 0.000 0.660
H3 0.000 1.034 -1.481
H4 0.896 -0.517 -1.481
H5 -0.896 -0.517 -1.481

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78981.09241.09241.0924
Cl21.78982.37822.37822.3782
H31.09242.37821.79141.7914
H41.09242.37821.79141.7914
H51.09242.37821.79141.7914

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 108.778 Cl2 C1 H4 108.778
Cl2 C1 H5 108.778 H3 C1 H4 110.156
H3 C1 H5 110.156 H4 C1 H5 110.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability