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

using model chemistry: MP2/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-139.581316
Energy at 298.15K-139.584343
HF Energy-139.106922
Nuclear repulsion energy37.385807
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-pVQZ
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 2936 31.47 163.03 0.02 0.04
2 A1 1502 1427 1.21 0.43 0.10 0.18
3 A1 1076 1022 106.69 6.47 0.33 0.49
4 E 3196 3035 21.36 39.45 0.75 0.86
4 E 3196 3035 21.36 39.45 0.75 0.86
5 E 1524 1447 5.20 3.82 0.75 0.86
5 E 1524 1447 5.20 3.82 0.75 0.86
6 E 1212 1151 1.28 1.49 0.75 0.86
6 E 1212 1151 1.28 1.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8766.7 cm-1
Scaled (by 0.9497) 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/aug-cc-pVQZ
ABC
5.27683 0.85752 0.85752

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.634
F2 0.000 0.000 0.751
H3 0.000 1.028 -0.983
H4 0.890 -0.514 -0.983
H5 -0.890 -0.514 -0.983

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38501.08551.08551.0855
F21.38502.01582.01582.0158
H31.08552.01581.78041.7804
H41.08552.01581.78041.7804
H51.08552.01581.78041.7804

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 108.753 F2 C1 H4 108.753
F2 C1 H5 108.753 H3 C1 H4 110.179
H3 C1 H5 110.179 H4 C1 H5 110.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability