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

using model chemistry: MP2=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-139.570478
Energy at 298.15K-139.573511
HF Energy-139.092601
Nuclear repulsion energy37.478704
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=FULL/6-311+G(3df,2p)
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 3106 2928 31.37 143.13 0.02 0.05
2 A1 1516 1429 1.14 0.44 0.13 0.24
3 A1 1088 1026 105.11 6.45 0.35 0.52
4 E 3207 3023 22.39 40.80 0.75 0.86
4 E 3207 3023 22.39 40.80 0.75 0.86
5 E 1532 1444 5.53 4.54 0.75 0.86
5 E 1532 1444 5.53 4.54 0.75 0.86
6 E 1225 1155 1.12 1.81 0.75 0.86
6 E 1225 1155 1.12 1.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8818.5 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 8313.2 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=FULL/6-311+G(3df,2p)
ABC
5.28565 0.86271 0.86271

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.632
F2 0.000 0.000 0.748
H3 0.000 1.027 -0.982
H4 0.889 -0.514 -0.982
H5 -0.889 -0.514 -0.982

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37991.08521.08521.0852
F21.37992.01222.01222.0122
H31.08522.01221.77891.7789
H41.08522.01221.77891.7789
H51.08522.01221.77891.7789

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 108.840 F2 C1 H4 108.840
F2 C1 H5 108.840 H3 C1 H4 110.095
H3 C1 H5 110.095 H4 C1 H5 110.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability