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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-139.458174
Energy at 298.15K-139.461206
HF Energy-139.095757
Nuclear repulsion energy37.300968
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/TZVP
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 3102 2941 28.87 137.20 0.04 0.07
2 A1 1536 1456 6.32 3.74 0.74 0.85
3 A1 1080 1024 106.33 5.92 0.50 0.67
4 E 3207 3040 33.41 48.72 0.75 0.86
4 E 3207 3040 33.41 48.72 0.75 0.86
5 E 1527 1447 2.39 11.82 0.75 0.86
5 E 1527 1447 2.39 11.82 0.75 0.86
6 E 1229 1165 1.35 7.03 0.75 0.86
6 E 1229 1165 1.35 7.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8821.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 8361.8 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/TZVP
ABC
5.25747 0.85348 0.85348

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.753
H3 0.000 1.030 -0.987
H4 0.892 -0.515 -0.987
H5 -0.892 -0.515 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38801.08801.08801.0880
F21.38802.02122.02122.0212
H31.08802.02121.78371.7837
H41.08802.02121.78371.7837
H51.08802.02121.78371.7837

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 108.826 F2 C1 H4 108.826
F2 C1 H5 108.826 H3 C1 H4 110.109
H3 C1 H5 110.109 H4 C1 H5 110.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability