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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-139.584772
Energy at 298.15K-139.587801
HF Energy-139.584772
Nuclear repulsion energy37.443775
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 PBE1PBE/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 3060 2908 30.73 117.05 0.04 0.07
2 A1 1532 1455 7.53 6.47 0.73 0.84
3 A1 1129 1073 93.52 4.50 0.57 0.73
4 E 3144 2988 47.57 56.53 0.75 0.86
4 E 3144 2988 47.57 56.53 0.75 0.86
5 E 1526 1450 2.00 18.22 0.75 0.86
5 E 1526 1450 2.00 18.22 0.75 0.86
6 E 1211 1150 0.52 6.96 0.75 0.86
6 E 1211 1150 0.52 6.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8740.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8306.3 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 PBE1PBE/6-31G*
ABC
5.23602 0.86371 0.86371

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.625
F2 0.000 0.000 0.748
H3 0.000 1.032 -0.994
H4 0.894 -0.516 -0.994
H5 -0.894 -0.516 -0.994

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37331.09591.09591.0959
F21.37332.02502.02502.0250
H31.09592.02501.78731.7873
H41.09592.02501.78731.7873
H51.09592.02501.78731.7873

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 109.681 F2 C1 H4 109.681
F2 C1 H5 109.681 H3 C1 H4 109.261
H3 C1 H5 109.261 H4 C1 H5 109.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.181      
2 F -0.310      
3 H 0.164      
4 H 0.164      
5 H 0.164      


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 -1.710 1.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.663 0.000 0.000
y 0.000 -11.663 0.000
z 0.000 0.000 -11.968
Traceless
 xyz
x 0.153 0.000 0.000
y 0.000 0.153 0.000
z 0.000 0.000 -0.306
Polar
3z2-r2-0.611
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 1.863


<r2> (average value of r2) Å2
<r2> 20.890
(<r2>)1/2 4.571