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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-139.698191
Energy at 298.15K-139.701221
HF Energy-139.698191
Nuclear repulsion energy37.444937
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 mPW1PW91/6-31G*
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 3067 2908 31.05 117.54 0.04 0.07
2 A1 1537 1457 7.62 6.33 0.72 0.84
3 A1 1125 1067 94.01 4.52 0.57 0.73
4 E 3150 2987 48.80 56.86 0.75 0.86
4 E 3150 2987 48.80 56.86 0.75 0.86
5 E 1532 1453 1.95 17.98 0.75 0.86
5 E 1532 1453 1.95 17.98 0.75 0.86
6 E 1214 1151 0.57 6.99 0.75 0.86
6 E 1214 1151 0.57 6.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8759.7 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 8306.9 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 mPW1PW91/6-31G*
ABC
5.24714 0.86321 0.86321

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

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 0.748
H3 0.000 1.031 -0.993
H4 0.893 -0.515 -0.993
H5 -0.893 -0.515 -0.993

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37431.09441.09441.0944
F21.37432.02402.02402.0240
H31.09442.02401.78541.7854
H41.09442.02401.78541.7854
H51.09442.02401.78541.7854

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 109.621 F2 C1 H4 109.621
F2 C1 H5 109.621 H3 C1 H4 109.321
H3 C1 H5 109.321 H4 C1 H5 109.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 F -0.314      
3 H 0.163      
4 H 0.163      
5 H 0.163      


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 -1.731 1.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.625 0.000 0.000
y 0.000 -11.625 0.000
z 0.000 0.000 -11.946
Traceless
 xyz
x 0.161 0.000 0.000
y 0.000 0.161 0.000
z 0.000 0.000 -0.321
Polar
3z2-r2-0.643
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 1.898 0.000 0.000
y 0.000 1.898 0.000
z 0.000 0.000 1.858


<r2> (average value of r2) Å2
<r2> 20.868
(<r2>)1/2 4.568