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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-54.422104
Energy at 298.15K-54.425028
HF Energy-54.298203
Nuclear repulsion energy25.931495
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 MP2/LANL2DZ
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 3085 2971 30.96 134.43 0.02 0.04
2 A1 1426 1373 12.74 0.51 0.30 0.46
3 A1 667 642 18.39 33.26 0.33 0.49
4 E 3227 3108 20.81 50.05 0.75 0.86
4 E 3227 3108 20.81 50.05 0.75 0.86
5 E 1516 1460 7.37 18.02 0.75 0.86
5 E 1516 1460 7.37 18.02 0.75 0.86
6 E 1033 995 4.28 13.52 0.75 0.86
6 E 1033 995 4.28 13.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8365.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 8056.7 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 MP2/LANL2DZ
ABC
5.10758 0.40375 0.40375

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.191
Cl2 0.000 0.000 0.689
H3 0.000 1.045 -1.522
H4 0.905 -0.522 -1.522
H5 -0.905 -0.522 -1.522

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.88051.09591.09591.0959
Cl21.88052.44572.44572.4457
H31.09592.44571.80971.8097
H41.09592.44571.80971.8097
H51.09592.44571.80971.8097

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 107.570 Cl2 C1 H4 107.570
Cl2 C1 H5 107.570 H3 C1 H4 111.304
H3 C1 H5 111.304 H4 C1 H5 111.304
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability