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

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-139.744504
Energy at 298.15K-139.747525
HF Energy-139.744504
Nuclear repulsion energy37.404374
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 B3PW91/6-311+G(3df,2p)
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 2903 33.40 151.44 0.02 0.05
2 A1 1481 1418 0.55 0.67 0.12 0.21
3 A1 1073 1028 108.72 5.39 0.42 0.59
4 E 3119 2986 28.94 45.38 0.75 0.86
4 E 3119 2986 28.94 45.37 0.75 0.86
5 E 1490 1426 5.91 4.81 0.75 0.86
5 E 1490 1426 5.91 4.81 0.75 0.86
6 E 1197 1145 0.76 1.87 0.75 0.86
6 E 1197 1145 0.76 1.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8599.0 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 8231.8 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 B3PW91/6-311+G(3df,2p)
ABC
5.23581 0.86075 0.86075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.631
F2 0.000 0.000 0.749
H3 0.000 1.032 -0.985
H4 0.894 -0.516 -0.985
H5 -0.894 -0.516 -0.985

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38021.09091.09091.0909
F21.38022.01782.01782.0178
H31.09092.01781.78741.7874
H41.09092.01781.78741.7874
H51.09092.01781.78741.7874

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 108.925 F2 C1 H4 108.925
F2 C1 H5 108.925 H3 C1 H4 110.012
H3 C1 H5 110.012 H4 C1 H5 110.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 F -0.392      
3 H 0.114      
4 H 0.114      
5 H 0.114      


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 -1.827 1.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.820 0.000 0.000
y 0.000 -11.820 0.000
z 0.000 0.000 -12.641
Traceless
 xyz
x 0.411 0.000 0.000
y 0.000 0.411 0.000
z 0.000 0.000 -0.821
Polar
3z2-r2-1.642
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 2.351 0.000 0.000
y 0.000 2.351 0.000
z 0.000 0.000 2.573


<r2> (average value of r2) Å2
<r2> 21.099
(<r2>)1/2 4.593