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

using model chemistry: MP2=FULL/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=FULL/cc-pVQZ
 hartrees
Energy at 0K-139.635483
Energy at 298.15K-139.638515
HF Energy-139.106362
Nuclear repulsion energy37.520640
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/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 3105 2972 29.44 147.85 0.03 0.05
2 A1 1513 1448 1.31 1.11 0.32 0.48
3 A1 1092 1045 100.43 5.03 0.46 0.63
4 E 3207 3069 24.19 42.73 0.75 0.86
4 E 3207 3069 24.19 42.73 0.75 0.86
5 E 1530 1465 4.20 5.65 0.75 0.86
5 E 1530 1465 4.20 5.65 0.75 0.86
6 E 1221 1168 1.16 2.38 0.75 0.86
6 E 1221 1168 1.16 2.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8812.5 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 8434.5 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/cc-pVQZ
ABC
5.31723 0.86381 0.86381

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.631
F2 0.000 0.000 0.748
H3 0.000 1.024 -0.983
H4 0.887 -0.512 -0.983
H5 -0.887 -0.512 -0.983

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37881.08281.08281.0828
F21.37882.01112.01112.0111
H31.08282.01111.77361.7736
H41.08282.01111.77361.7736
H51.08282.01111.77361.7736

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 108.970 F2 C1 H4 108.970
F2 C1 H5 108.970 H3 C1 H4 109.968
H3 C1 H5 109.968 H4 C1 H5 109.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability