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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-139.596864
Energy at 298.15K-139.599893
HF Energy-139.596864
Nuclear repulsion energy37.426057
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 HSEh1PBE/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 3059 2909 31.16 117.23 0.04 0.07
2 A1 1531 1456 7.67 6.50 0.72 0.84
3 A1 1124 1069 93.79 4.50 0.57 0.72
4 E 3143 2989 48.58 56.63 0.75 0.86
4 E 3143 2989 48.58 56.63 0.75 0.86
5 E 1526 1451 1.94 18.26 0.75 0.86
5 E 1526 1451 1.94 18.26 0.75 0.86
6 E 1210 1151 0.54 7.02 0.75 0.86
6 E 1210 1151 0.54 7.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8735.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 8307.5 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 HSEh1PBE/6-31G*
ABC
5.23778 0.86258 0.86258

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.626
F2 0.000 0.000 0.749
H3 0.000 1.032 -0.995
H4 0.894 -0.516 -0.995
H5 -0.894 -0.516 -0.995

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37441.09571.09571.0957
F21.37442.02572.02572.0257
H31.09572.02571.78701.7870
H41.09572.02571.78701.7870
H51.09572.02571.78701.7870

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 109.676 F2 C1 H4 109.676
F2 C1 H5 109.676 H3 C1 H4 109.266
H3 C1 H5 109.266 H4 C1 H5 109.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 F -0.310      
3 H 0.162      
4 H 0.162      
5 H 0.162      


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 -1.715 1.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.662 0.000 0.000
y 0.000 -11.662 0.000
z 0.000 0.000 -11.972
Traceless
 xyz
x 0.155 0.000 0.000
y 0.000 0.155 0.000
z 0.000 0.000 -0.310
Polar
3z2-r2-0.620
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 1.907 0.000 0.000
y 0.000 1.907 0.000
z 0.000 0.000 1.866


<r2> (average value of r2) Å2
<r2> 20.904
(<r2>)1/2 4.572