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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-139.235956
Energy at 298.15K-139.238941
HF Energy-139.029545
Nuclear repulsion energy35.797917
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/SDD
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 3068 2961 31.51 129.22 0.04 0.09
2 A1 1490 1439 1.90 3.91 0.60 0.75
3 A1 947 914 68.95 11.47 0.35 0.52
4 E 3203 3092 42.64 42.39 0.75 0.86
4 E 3203 3092 42.64 42.39 0.75 0.86
5 E 1528 1475 4.87 14.99 0.75 0.86
5 E 1528 1475 4.87 14.99 0.75 0.86
6 E 1141 1102 0.37 11.67 0.75 0.86
6 E 1141 1102 0.37 11.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8624.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 8325.7 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/SDD
ABC
5.07682 0.77315 0.77315

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.682
F2 0.000 0.000 0.791
H3 0.000 1.048 -1.010
H4 0.908 -0.524 -1.010
H5 -0.908 -0.524 -1.010

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.47371.09791.09791.0979
F21.47372.08372.08372.0837
H31.09792.08371.81511.8151
H41.09792.08371.81511.8151
H51.09792.08371.81511.8151

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 107.345 F2 C1 H4 107.345
F2 C1 H5 107.345 H3 C1 H4 111.511
H3 C1 H5 111.511 H4 C1 H5 111.511
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability