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/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-139.662796
Energy at 298.15K-139.665824
HF Energy-139.541346
Nuclear repulsion energy37.330214
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3066 3066 30.77 123.17 0.04 0.08
2 A1 1532 1532 4.77 4.81 0.72 0.84
3 A1 1076 1076 100.80 4.97 0.59 0.74
4 E 3153 3153 49.63 57.02 0.75 0.86
4 E 3153 3153 49.63 57.02 0.75 0.86
5 E 1531 1531 3.52 13.19 0.75 0.86
5 E 1531 1531 3.52 13.19 0.75 0.86
6 E 1218 1218 0.98 6.35 0.75 0.86
6 E 1218 1218 0.98 6.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8738.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8738.2 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 B2PLYP=FULL/6-311G*
ABC
5.24713 0.85588 0.85588

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.633
F2 0.000 0.000 0.751
H3 0.000 1.031 -0.988
H4 0.893 -0.515 -0.988
H5 -0.893 -0.515 -0.988

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38461.09031.09031.0903
F21.38462.02212.02212.0221
H31.09032.02211.78541.7854
H41.09032.02211.78541.7854
H51.09032.02211.78541.7854

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 109.005 F2 C1 H4 109.005
F2 C1 H5 109.005 H3 C1 H4 109.933
H3 C1 H5 109.933 H4 C1 H5 109.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability