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

using model chemistry: MP2=FULL/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=FULL/6-311G*
 hartrees
Energy at 0K-139.451826
Energy at 298.15K-139.454860
HF Energy-139.072364
Nuclear repulsion energy37.370741
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/6-311G*
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 3095 2932 27.93 117.63 0.04 0.08
2 A1 1547 1465 4.44 4.52 0.74 0.85
3 A1 1101 1043 95.97 5.24 0.56 0.72
4 E 3197 3028 40.95 52.75 0.75 0.86
4 E 3197 3028 40.95 52.75 0.75 0.86
5 E 1546 1464 3.88 12.89 0.75 0.86
5 E 1546 1464 3.88 12.89 0.75 0.86
6 E 1230 1165 0.96 6.20 0.75 0.86
6 E 1230 1165 0.96 6.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8845.4 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 8377.5 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/6-311G*
ABC
5.24564 0.85831 0.85831

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

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 0.750
H3 0.000 1.031 -0.986
H4 0.893 -0.515 -0.986
H5 -0.893 -0.515 -0.986

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38251.09011.09011.0901
F21.38252.01972.01972.0197
H31.09012.01971.78571.7857
H41.09012.01971.78571.7857
H51.09012.01971.78571.7857

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 108.963 F2 C1 H4 108.963
F2 C1 H5 108.963 H3 C1 H4 109.974
H3 C1 H5 109.974 H4 C1 H5 109.974
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability