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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-139.039736
Energy at 298.15K-139.042797
HF Energy-139.039736
Nuclear repulsion energy37.772858
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 HF/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 3203 2891 31.27 123.39 0.04 0.08
2 A1 1637 1478 10.90 4.46 0.75 0.85
3 A1 1186 1071 126.50 5.53 0.53 0.69
4 E 3286 2966 59.81 56.59 0.75 0.86
4 E 3286 2966 59.81 56.59 0.75 0.86
5 E 1633 1474 1.10 15.60 0.75 0.86
5 E 1633 1474 1.10 15.60 0.75 0.86
6 E 1307 1180 3.11 6.23 0.75 0.86
6 E 1307 1180 3.11 6.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9239.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 8339.7 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 HF/6-31G**
ABC
5.33066 0.87843 0.87843

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.623
F2 0.000 0.000 0.742
H3 0.000 1.023 -0.979
H4 0.886 -0.511 -0.979
H5 -0.886 -0.511 -0.979

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.36461.08281.08281.0828
F21.36462.00132.00132.0013
H31.08282.00131.77141.7714
H41.08282.00131.77141.7714
H51.08282.00131.77141.7714

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 109.178 F2 C1 H4 109.178
F2 C1 H5 109.178 H3 C1 H4 109.763
H3 C1 H5 109.763 H4 C1 H5 109.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 F -0.407      
3 H 0.107      
4 H 0.107      
5 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.981 1.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.670 0.000 0.000
y 0.000 -11.670 0.000
z 0.000 0.000 -12.148
Traceless
 xyz
x 0.239 0.000 0.000
y 0.000 0.239 0.000
z 0.000 0.000 -0.477
Polar
3z2-r2-0.955
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.868 0.000 0.000
y 0.000 1.868 0.000
z 0.000 0.000 1.770


<r2> (average value of r2) Å2
<r2> 20.678
(<r2>)1/2 4.547