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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-139.351777
Energy at 298.15K-139.354810
HF Energy-139.033768
Nuclear repulsion energy37.199727
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 CCD/6-31G*
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 3084 2919 24.79      
2 A1 1546 1464 7.88      
3 A1 1120 1060 87.57      
4 E 3173 3004 42.00      
4 E 3173 3004 42.00      
5 E 1551 1468 1.57      
5 E 1551 1468 1.57      
6 E 1221 1155 1.05      
6 E 1221 1155 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 8819.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 8348.1 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 CCD/6-31G*
ABC
5.20818 0.85008 0.85008

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.754
H3 0.000 1.035 -0.993
H4 0.896 -0.517 -0.993
H5 -0.896 -0.517 -0.993

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38881.09481.09481.0948
F21.38882.03012.03012.0301
H31.09482.03011.79211.7921
H41.09482.03011.79211.7921
H51.09482.03011.79211.7921

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 109.081 F2 C1 H4 109.081
F2 C1 H5 109.081 H3 C1 H4 109.859
H3 C1 H5 109.859 H4 C1 H5 109.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability