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

using model chemistry: QCISD/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-499.553427
Energy at 298.15K-499.556401
HF Energy-499.148766
Nuclear repulsion energy51.382673
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/cc-pV(T+d)Z
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 3096 2956 23.49      
2 A1 1402 1339 13.52      
3 A1 757 723 23.87      
4 E 3195 3050 6.14      
4 E 3195 3050 6.14      
5 E 1506 1438 4.91      
5 E 1506 1438 4.91      
6 E 1043 996 2.09      
6 E 1043 996 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 8371.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 7992.7 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/cc-pV(T+d)Z
ABC
5.27565 0.44461 0.44461

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pV(T+d)Z

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.125
Cl2 0.000 0.000 0.657
H3 0.000 1.028 -1.471
H4 0.890 -0.514 -1.471
H5 -0.890 -0.514 -1.471

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.78201.08471.08471.0847
Cl21.78202.36322.36322.3632
H31.08472.36321.78061.7806
H41.08472.36321.78061.7806
H51.08472.36321.78061.7806

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 108.598 Cl2 C1 H4 108.598
Cl2 C1 H5 108.598 H3 C1 H4 110.330
H3 C1 H5 110.330 H4 C1 H5 110.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability