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: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-139.401688
Energy at 298.15K-139.404716
HF Energy-139.044331
Nuclear repulsion energy37.163740
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 QCISD/cc-pVDZ
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 3059 2935 29.02      
2 A1 1504 1443 8.94      
3 A1 1100 1055 95.32      
4 E 3150 3022 46.61      
4 E 3150 3022 46.61      
5 E 1497 1436 1.56      
5 E 1497 1436 1.56      
6 E 1204 1155 2.46      
6 E 1204 1155 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 8682.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8330.0 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 QCISD/cc-pVDZ
ABC
5.14101 0.85148 0.85148

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.630
F2 0.000 0.000 0.753
H3 0.000 1.041 -0.999
H4 0.902 -0.521 -0.999
H5 -0.902 -0.521 -0.999

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38371.10461.10461.1046
F21.38372.03832.03832.0383
H31.10462.03831.80381.8038
H41.10462.03831.80381.8038
H51.10462.03831.80381.8038

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 109.481 F2 C1 H4 109.481
F2 C1 H5 109.481 H3 C1 H4 109.461
H3 C1 H5 109.461 H4 C1 H5 109.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability