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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-499.459595
Energy at 298.15K-499.462569
HF Energy-499.133342
Nuclear repulsion energy51.070268
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/TZVP
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 3114 2974 25.62      
2 A1 1439 1375 23.56      
3 A1 750 716 25.22      
4 E 3218 3074 9.96      
4 E 3218 3074 9.96      
5 E 1500 1433 3.93      
5 E 1500 1433 3.93      
6 E 1055 1008 1.96      
6 E 1055 1008 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 8424.1 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 8047.6 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/TZVP
ABC
5.26648 0.43813 0.43813

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.135
Cl2 0.000 0.000 0.662
H3 0.000 1.029 -1.481
H4 0.891 -0.514 -1.481
H5 -0.891 -0.514 -1.481

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.79631.08551.08551.0855
Cl21.79632.37662.37662.3766
H31.08552.37661.78221.7822
H41.08552.37661.78221.7822
H51.08552.37661.78221.7822

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 108.586 Cl2 C1 H4 108.586
Cl2 C1 H5 108.586 H3 C1 H4 110.342
H3 C1 H5 110.342 H4 C1 H5 110.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability