return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-494.378374
Energy at 298.15K-494.381328
HF Energy-494.356069
Nuclear repulsion energy50.199640
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 B2PLYP=FULL/STO-3G
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 3351 3351 0.06 37.79 0.02 0.05
2 A1 1524 1524 9.52 2.35 0.70 0.82
3 A1 855 855 16.37 13.66 0.33 0.50
4 E 3543 3543 0.13 25.52 0.75 0.86
4 E 3543 3543 0.13 25.52 0.75 0.86
5 E 1657 1657 5.41 15.70 0.75 0.86
5 E 1657 1657 5.41 15.70 0.75 0.86
6 E 1097 1097 0.16 5.11 0.75 0.86
6 E 1097 1097 0.16 5.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9161.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9161.4 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 B2PLYP=FULL/STO-3G
ABC
5.11335 0.42283 0.42283

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.155
Cl2 0.000 0.000 0.674
H3 0.000 1.044 -1.507
H4 0.904 -0.522 -1.507
H5 -0.904 -0.522 -1.507

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.82901.10171.10171.1017
Cl21.82902.41742.41742.4174
H31.10172.41741.80861.8086
H41.10172.41741.80861.8086
H51.10172.41741.80861.8086

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 108.592 Cl2 C1 H4 108.592
Cl2 C1 H5 108.592 H3 C1 H4 110.336
H3 C1 H5 110.336 H4 C1 H5 110.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability