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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-139.379097
Energy at 298.15K-139.382126
HF Energy-139.044478
Nuclear repulsion energy37.195101
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/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 3088 2941 29.03 134.63 0.04 0.07
2 A1 1507 1436 7.87 3.65 0.66 0.80
3 A1 1105 1052 93.14 4.89 0.57 0.72
4 E 3192 3040 41.91 59.85 0.75 0.86
4 E 3192 3040 41.91 59.85 0.75 0.86
5 E 1503 1432 2.02 13.52 0.75 0.86
5 E 1503 1432 2.02 13.52 0.75 0.86
6 E 1208 1150 1.95 4.78 0.75 0.86
6 E 1208 1150 1.95 4.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8752.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 8336.7 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/cc-pVDZ
ABC
5.17143 0.85194 0.85194

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.630
F2 0.000 0.000 0.753
H3 0.000 1.038 -0.999
H4 0.899 -0.519 -0.999
H5 -0.899 -0.519 -0.999

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38361.10181.10181.1018
F21.38362.03682.03682.0368
H31.10182.03681.79851.7985
H41.10182.03681.79851.7985
H51.10182.03681.79851.7985

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 109.545 F2 C1 H4 109.545
F2 C1 H5 109.545 H3 C1 H4 109.397
H3 C1 H5 109.397 H4 C1 H5 109.397
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability