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

using model chemistry: MP3=FULL/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 MP3=FULL/3-21G*
 hartrees
Energy at 0K-138.503089
Energy at 298.15K-138.506119
HF Energy-138.281099
Nuclear repulsion energy36.591188
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 MP3=FULL/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 3077 3077 16.54      
2 A1 1579 1579 6.54      
3 A1 1081 1081 40.34      
4 E 3138 3138 46.35      
4 E 3138 3138 46.35      
5 E 1599 1599 1.37      
5 E 1599 1599 1.37      
6 E 1209 1209 0.46      
6 E 1209 1209 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 8814.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8814.3 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 MP3=FULL/3-21G*
ABC
5.25785 0.81289 0.81289

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.649
F2 0.000 0.000 0.773
H3 0.000 1.030 -1.020
H4 0.892 -0.515 -1.020
H5 -0.892 -0.515 -1.020

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.42251.09441.09441.0944
F21.42252.06782.06782.0678
H31.09442.06781.78361.7836
H41.09442.06781.78361.7836
H51.09442.06781.78361.7836

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 109.794 F2 C1 H4 109.794
F2 C1 H5 109.794 H3 C1 H4 109.147
H3 C1 H5 109.147 H4 C1 H5 109.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability