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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-496.829820
Energy at 298.15K-496.832740
HF Energy-496.689040
Nuclear repulsion energy48.959332
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 MP2/3-21G
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 3155 3011 10.74 88.92 0.02 0.04
2 A1 1427 1362 15.57 0.38 0.72 0.84
3 A1 643 614 24.90 25.41 0.34 0.51
4 E 3271 3122 2.70 48.86 0.75 0.86
4 E 3271 3122 2.70 48.86 0.75 0.86
5 E 1575 1503 8.07 19.00 0.75 0.86
5 E 1575 1503 8.07 19.00 0.75 0.86
6 E 1030 983 4.23 11.51 0.75 0.86
6 E 1030 983 4.23 11.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8487.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 8101.4 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 MP2/3-21G
ABC
5.14463 0.39516 0.39516

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.212
Cl2 0.000 0.000 0.696
H3 0.000 1.041 -1.521
H4 0.902 -0.521 -1.521
H5 -0.902 -0.521 -1.521

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.90791.08601.08601.0860
Cl21.90792.44952.44952.4495
H31.08602.44951.80311.8031
H41.08602.44951.80311.8031
H51.08602.44951.80311.8031

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 106.550 Cl2 C1 H4 106.550
Cl2 C1 H5 106.550 H3 C1 H4 112.228
H3 C1 H5 112.228 H4 C1 H5 112.228
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability