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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-31.607547
Energy at 298.15K-31.610534
HF Energy-31.607547
Nuclear repulsion energy22.193488
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/CEP-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 3053 2957 35.95 151.03 0.04 0.08
2 A1 1475 1429 0.49 4.85 0.65 0.78
3 A1 968 937 75.18 10.88 0.39 0.56
4 E 3171 3071 67.29 59.67 0.75 0.86
4 E 3171 3071 67.31 59.67 0.75 0.86
5 E 1488 1441 6.23 16.28 0.75 0.86
5 E 1488 1441 6.23 16.28 0.75 0.86
6 E 1140 1104 0.02 10.39 0.75 0.86
6 E 1140 1104 0.02 10.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8547.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 8277.1 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/CEP-31G
ABC
5.07934 0.78958 0.78958

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.670
F2 0.000 0.000 0.783
H3 0.000 1.048 -1.009
H4 0.907 -0.524 -1.009
H5 -0.907 -0.524 -1.009

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.45311.10101.10101.1010
F21.45312.07542.07542.0754
H31.10102.07541.81471.8147
H41.10102.07541.81471.8147
H51.10102.07541.81471.8147

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 107.902 F2 C1 H4 107.902
F2 C1 H5 107.902 H3 C1 H4 110.994
H3 C1 H5 110.994 H4 C1 H5 110.994
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.288      
2 F -0.282      
3 H 0.190      
4 H 0.190      
5 H 0.190      


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 -2.630 2.630
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.549 0.000 0.000
y 0.000 -11.549 0.000
z 0.000 0.000 -12.488
Traceless
 xyz
x 0.470 0.000 0.000
y 0.000 0.470 0.000
z 0.000 0.000 -0.939
Polar
3z2-r2-1.879
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 1.583 0.000 0.000
y 0.000 1.583 0.000
z 0.000 0.000 1.896


<r2> (average value of r2) Å2
<r2> 19.841
(<r2>)1/2 4.454