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

using model chemistry: MP3=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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-139.354049
Energy at 298.15K-139.357084
HF Energy-139.033979
Nuclear repulsion energy37.271199
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/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 3110 2918 23.78      
2 A1 1555 1459 7.23      
3 A1 1126 1057 88.62      
4 E 3200 3003 40.31      
4 E 3200 3003 40.31      
5 E 1560 1464 1.75      
5 E 1560 1464 1.75      
6 E 1228 1152 1.02      
6 E 1228 1152 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 8884.1 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 8336.0 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/6-31G*
ABC
5.22890 0.85331 0.85331

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.634
F2 0.000 0.000 0.753
H3 0.000 1.033 -0.991
H4 0.894 -0.516 -0.991
H5 -0.894 -0.516 -0.991

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38631.09261.09261.0926
F21.38632.02612.02612.0261
H31.09262.02611.78851.7885
H41.09262.02611.78851.7885
H51.09262.02611.78851.7885

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 109.067 F2 C1 H4 109.067
F2 C1 H5 109.067 H3 C1 H4 109.872
H3 C1 H5 109.872 H4 C1 H5 109.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability