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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-139.414711
Energy at 298.15K-139.417745
HF Energy-139.072317
Nuclear repulsion energy37.348542
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 MP2/6-311G*
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 3092 2939 28.05 117.88 0.04 0.08
2 A1 1546 1469 4.59 4.52 0.74 0.85
3 A1 1099 1044 96.01 5.27 0.56 0.72
4 E 3194 3036 41.48 52.88 0.75 0.86
4 E 3194 3036 41.48 52.88 0.75 0.86
5 E 1545 1469 3.75 12.87 0.75 0.86
5 E 1545 1469 3.75 12.87 0.75 0.86
6 E 1229 1168 1.00 6.26 0.75 0.86
6 E 1229 1168 1.00 6.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8837.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8398.1 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 MP2/6-311G*
ABC
5.24088 0.85721 0.85721

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.633
F2 0.000 0.000 0.751
H3 0.000 1.031 -0.987
H4 0.893 -0.516 -0.987
H5 -0.893 -0.516 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38351.09051.09051.0905
F21.38352.02072.02072.0207
H31.09052.02071.78651.7865
H41.09052.02071.78651.7865
H51.09052.02071.78651.7865

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 108.950 F2 C1 H4 108.950
F2 C1 H5 108.950 H3 C1 H4 109.987
H3 C1 H5 109.987 H4 C1 H5 109.987
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability