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

using model chemistry: MP2/aug-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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-139.417185
Energy at 298.15K-139.420199
HF Energy-139.056587
Nuclear repulsion energy36.834277
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/aug-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 3091 2964 32.12 161.72 0.02 0.04
2 A1 1470 1410 1.28 0.45 0.14 0.24
3 A1 1035 993 105.95 7.30 0.36 0.53
4 E 3204 3073 23.74 40.93 0.75 0.86
4 E 3204 3073 23.74 40.93 0.75 0.86
5 E 1490 1429 4.28 4.14 0.75 0.86
5 E 1490 1429 4.28 4.14 0.75 0.86
6 E 1186 1138 1.35 1.68 0.75 0.86
6 E 1186 1138 1.35 1.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8678.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 8322.3 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/aug-cc-pVDZ
ABC
5.12897 0.83170 0.83170

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.647
F2 0.000 0.000 0.762
H3 0.000 1.043 -0.992
H4 0.903 -0.521 -0.992
H5 -0.903 -0.521 -0.992

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.40891.09841.09841.0984
F21.40892.04082.04082.0408
H31.09842.04081.80591.8059
H41.09842.04081.80591.8059
H51.09842.04081.80591.8059

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 108.330 F2 C1 H4 108.330
F2 C1 H5 108.330 H3 C1 H4 110.588
H3 C1 H5 110.588 H4 C1 H5 110.588
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability