return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-139.718352
Energy at 298.15K-139.721375
HF Energy-139.566682
Nuclear repulsion energy37.295140
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 B2PLYP=FULL/aug-cc-pVTZ
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 3067 2942 33.20 169.96 0.02 0.04
2 A1 1498 1437 1.07 0.56 0.07 0.13
3 A1 1053 1011 109.66 6.10 0.39 0.56
4 E 3150 3022 26.37 43.47 0.75 0.86
4 E 3150 3022 26.38 43.59 0.75 0.86
5 E 1517 1456 5.06 4.01 0.75 0.86
5 E 1517 1456 5.05 4.01 0.75 0.86
6 E 1205 1156 1.28 1.56 0.75 0.86
6 E 1205 1156 1.28 1.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8680.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8328.1 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
5.25950 0.85289 0.85289

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.637
F2 0.000 0.000 0.753
H3 0.000 1.030 -0.985
H4 0.892 -0.515 -0.985
H5 -0.892 -0.515 -0.985

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38951.08681.08681.0868
F21.38952.01952.01952.0195
H31.08682.01951.78331.7833
H41.08682.01951.78331.7833
H51.08682.01951.78331.7833

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 108.664 F2 C1 H4 108.664
F2 C1 H5 108.664 H3 C1 H4 110.266
H3 C1 H5 110.266 H4 C1 H5 110.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability