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 CH3F (Methyl fluoride)

using model chemistry: CCD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-139.554068
Energy at 298.15K-139.557102
HF Energy-139.097508
Nuclear repulsion energy37.425872
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 CCD/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3072 2940 30.40      
2 A1 1517 1452 1.75      
3 A1 1104 1057 108.73      
4 E 3162 3026 25.75      
4 E 3162 3026 25.75      
5 E 1529 1463 4.74      
5 E 1529 1463 4.74      
6 E 1220 1167 1.84      
6 E 1220 1167 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 8756.6 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 8380.1 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 CCD/aug-cc-pVTZ
ABC
5.25090 0.86119 0.86119

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.632
F2 0.000 0.000 0.749
H3 0.000 1.030 -0.983
H4 0.892 -0.515 -0.983
H5 -0.892 -0.515 -0.983

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38081.08851.08851.0885
F21.38082.01502.01502.0150
H31.08852.01501.78481.7848
H41.08852.01501.78481.7848
H51.08852.01501.78481.7848

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 108.799 F2 C1 H4 108.799
F2 C1 H5 108.799 H3 C1 H4 110.135
H3 C1 H5 110.135 H4 C1 H5 110.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability