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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-139.733916
Energy at 298.15K-139.736939
HF Energy-139.733916
Nuclear repulsion energy37.260732
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*
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 3039 2918 32.03 115.04 0.04 0.07
2 A1 1532 1471 9.13 6.57 0.72 0.84
3 A1 1092 1048 91.80 4.54 0.56 0.72
4 E 3112 2989 52.70 56.71 0.75 0.86
4 E 3112 2989 52.69 56.71 0.75 0.86
5 E 1523 1463 1.43 18.30 0.75 0.86
5 E 1523 1463 1.43 18.30 0.75 0.86
6 E 1205 1157 0.74 7.47 0.75 0.86
6 E 1205 1157 0.74 7.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8671.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8327.3 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*
ABC
5.22701 0.85325 0.85325

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.630
F2 0.000 0.000 0.753
H3 0.000 1.033 -0.998
H4 0.894 -0.516 -0.998
H5 -0.894 -0.516 -0.998

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38331.09641.09641.0964
F21.38332.03302.03302.0330
H31.09642.03301.78891.7889
H41.09642.03301.78891.7889
H51.09642.03301.78891.7889

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 109.605 F2 C1 H4 109.605
F2 C1 H5 109.605 H3 C1 H4 109.337
H3 C1 H5 109.337 H4 C1 H5 109.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 F -0.310      
3 H 0.143      
4 H 0.143      
5 H 0.143      


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 -1.715 1.715
CHELPG 0.000 -0.001 -1.729 1.729
AIM        
ESP -0.001 0.000 1.728 1.728


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.687 0.000 0.000
y 0.000 -11.687 0.000
z 0.000 0.000 -12.014
Traceless
 xyz
x 0.164 0.000 0.000
y 0.000 0.164 0.000
z 0.000 0.000 -0.327
Polar
3z2-r2-0.655
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 1.903 0.000 0.000
y 0.000 1.903 0.000
z 0.000 0.000 1.886


<r2> (average value of r2) Å2
<r2> 21.043
(<r2>)1/2 4.587