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

using model chemistry: MP4/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/daug-cc-pVDZ
 hartrees
Energy at 0K-139.574733
Energy at 298.15K-139.577754
HF Energy-139.097206
Nuclear repulsion energy37.172506
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 MP4/daug-cc-pVDZ
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 3047 3047        
2 A1 1487 1487        
3 A1 1046 1046        
4 E 3142 3142        
4 E 3142 3142        
5 E 1510 1510        
5 E 1509 1509        
6 E 1197 1197        
6 E 1197 1197        

Unscaled Zero Point Vibrational Energy (zpe) 8638.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8638.1 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 MP4/daug-cc-pVDZ
ABC
5.21883 0.84743 0.84743

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.639
F2 0.000 0.000 0.755
H3 0.000 1.034 -0.986
H4 0.895 -0.517 -0.986
H5 -0.895 -0.517 -0.986

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39441.09041.09041.0904
F21.39442.02522.02522.0252
H31.09042.02521.79031.7903
H41.09042.02521.79031.7903
H51.09042.02521.79031.7903

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 108.565 F2 C1 H4 108.565
F2 C1 H5 108.565 H3 C1 H4 110.362
H3 C1 H5 110.362 H4 C1 H5 110.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability