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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-139.677436
Energy at 298.15K-139.673582
HF Energy-139.744887
Nuclear repulsion energy37.444450
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/6-31G(2df,p)
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 3014 2908 30.35 111.64 0.03 0.06
2 A1 1511 1458 4.93 3.87 0.68 0.81
3 A1 1098 1060 88.29 3.89 0.49 0.66
4 E 3089 2980 45.50 52.27 0.75 0.86
4 E 3089 2980 45.50 52.27 0.75 0.86
5 E 1495 1443 1.73 14.01 0.75 0.86
5 E 1495 1443 1.73 14.01 0.75 0.86
6 E 1208 1166 1.20 4.88 0.75 0.86
6 E 1208 1166 1.20 4.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8602.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8301.8 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/6-31G(2df,p)
ABC
5.23976 0.86367 0.86367

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 -0.996
H4 0.893 -0.516 -0.996
H5 -0.893 -0.516 -0.996

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37281.09621.09621.0962
F21.37282.02612.02612.0261
H31.09622.02611.78671.7867
H41.09622.02611.78671.7867
H51.09622.02611.78671.7867

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 109.768 F2 C1 H4 109.768
F2 C1 H5 109.768 H3 C1 H4 109.173
H3 C1 H5 109.173 H4 C1 H5 109.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 F -0.151      
3 H 0.119      
4 H 0.119      
5 H 0.119      


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 -1.594 1.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 20.933
(<r2>)1/2 4.575