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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-139.601132
Energy at 298.15K-139.604160
HF Energy-139.601132
Nuclear repulsion energy37.423970
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
(Å4/u)
Dep P Dep U
1 A1 3048 2909 30.90 120.65 0.03 0.07
2 A1 1516 1447 6.64 6.02 0.73 0.84
3 A1 1124 1073 93.84 4.33 0.57 0.73
4 E 3135 2991 46.47 55.93 0.75 0.86
4 E 3135 2991 46.47 55.93 0.75 0.86
5 E 1506 1437 2.06 17.82 0.75 0.86
5 E 1506 1437 2.06 17.82 0.75 0.86
6 E 1205 1150 0.50 6.43 0.75 0.86
6 E 1205 1150 0.50 6.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8689.7 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 8292.6 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
5.24836 0.86205 0.86205

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 -0.625
F2 0.000 0.000 0.749
H3 0.000 1.031 -0.996
H4 0.893 -0.515 -0.996
H5 -0.893 -0.515 -0.996

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37451.09531.09531.0953
F21.37452.02682.02682.0268
H31.09532.02681.78521.7852
H41.09532.02681.78521.7852
H51.09532.02681.78521.7852

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 109.780 F2 C1 H4 109.780
F2 C1 H5 109.780 H3 C1 H4 109.160
H3 C1 H5 109.160 H4 C1 H5 109.160
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 -0.050      
2 F -0.318      
3 H 0.122      
4 H 0.122      
5 H 0.122      


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 -1.704 1.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.657 0.000 0.000
y 0.000 -11.657 0.000
z 0.000 0.000 -11.980
Traceless
 xyz
x 0.161 0.000 0.000
y 0.000 0.161 0.000
z 0.000 0.000 -0.323
Polar
3z2-r2-0.645
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 1.944 0.000 0.000
y 0.000 1.944 0.000
z 0.000 0.000 1.915


<r2> (average value of r2) Å2
<r2> 20.909
(<r2>)1/2 4.573