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All results from a given calculation for CH3F (Methyl fluoride)

using model chemistry: MP2=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-139.342655
Energy at 298.15K-139.345688
HF Energy-139.033863
Nuclear repulsion energy37.208167
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=FULL/6-31G*
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 3116 2936 26.06 105.92 0.04 0.08
2 A1 1558 1468 8.44 5.85 0.73 0.85
3 A1 1108 1044 85.92 5.38 0.49 0.66
4 E 3216 3030 39.65 50.35 0.75 0.86
4 E 3216 3030 39.65 50.35 0.75 0.86
5 E 1567 1477 1.50 16.92 0.75 0.86
5 E 1567 1477 1.50 16.92 0.75 0.86
6 E 1226 1156 0.83 7.71 0.75 0.86
6 E 1226 1156 0.83 7.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8900.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 8385.9 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=FULL/6-31G*
ABC
5.24212 0.84902 0.84902

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.755
H3 0.000 1.031 -0.993
H4 0.893 -0.516 -0.993
H5 -0.893 -0.516 -0.993

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39021.09171.09171.0917
F21.39022.02972.02972.0297
H31.09172.02971.78631.7863
H41.09172.02971.78631.7863
H51.09172.02971.78631.7863

picture of Methyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 109.141 F2 C1 H4 109.141
F2 C1 H5 109.141 H3 C1 H4 109.799
H3 C1 H5 109.799 H4 C1 H5 109.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability