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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-138.974222
Energy at 298.15K-138.977243
HF Energy-138.974222
Nuclear repulsion energy36.630437
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 B3LYP/3-21G*
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 3033 2918 24.21 105.74 0.03 0.06
2 A1 1562 1503 5.47 8.33 0.73 0.84
3 A1 1055 1015 48.63 4.30 0.53 0.69
4 E 3088 2971 55.50 55.04 0.75 0.86
4 E 3088 2971 55.50 55.04 0.75 0.86
5 E 1566 1506 2.38 23.90 0.75 0.86
5 E 1566 1506 2.38 23.90 0.75 0.86
6 E 1186 1141 0.00 8.73 0.75 0.86
6 E 1186 1141 0.00 8.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8664.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 8335.6 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 B3LYP/3-21G*
ABC
5.27828 0.81481 0.81481

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.646
F2 0.000 0.000 0.772
H3 0.000 1.028 -1.026
H4 0.890 -0.514 -1.026
H5 -0.890 -0.514 -1.026

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.41801.09611.09611.0961
F21.41802.07172.07172.0717
H31.09612.07171.78021.7802
H41.09612.07171.78021.7802
H51.09612.07171.78021.7802

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 110.331 F2 C1 H4 110.331
F2 C1 H5 110.331 H3 C1 H4 108.598
H3 C1 H5 108.598 H4 C1 H5 108.598
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 F -0.303      
3 H 0.184      
4 H 0.184      
5 H 0.184      


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 -1.879 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.661 0.000 0.000
y 0.000 -11.661 0.000
z 0.000 0.000 -11.994
Traceless
 xyz
x 0.166 0.000 0.000
y 0.000 0.166 0.000
z 0.000 0.000 -0.332
Polar
3z2-r2-0.665
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 1.652 0.000 0.000
y 0.000 1.652 0.000
z 0.000 0.000 1.778


<r2> (average value of r2) Å2
<r2> 21.553
(<r2>)1/2 4.643