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

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-139.724347
Energy at 298.15K-139.727328
HF Energy-139.724347
Nuclear repulsion energy36.542694
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 BLYP/aug-cc-pVDZ
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 2958 2953 34.09 177.41 0.02 0.04
2 A1 1402 1399 0.48 0.85 0.15 0.26
3 A1 964 962 103.69 6.06 0.45 0.62
4 E 3049 3044 28.88 51.17 0.75 0.86
4 E 3049 3044 28.88 51.17 0.75 0.86
5 E 1415 1412 4.39 4.83 0.75 0.86
5 E 1415 1412 4.39 4.83 0.75 0.86
6 E 1131 1129 0.59 1.78 0.75 0.86
6 E 1131 1129 0.59 1.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8257.4 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 8241.7 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 BLYP/aug-cc-pVDZ
ABC
5.06133 0.81783 0.81783

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.653
F2 0.000 0.000 0.768
H3 0.000 1.050 -0.999
H4 0.909 -0.525 -0.999
H5 -0.909 -0.525 -0.999

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.42191.10491.10491.1049
F21.42192.05532.05532.0553
H31.10492.05531.81791.8179
H41.10492.05531.81791.8179
H51.10492.05531.81791.8179

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 108.203 F2 C1 H4 108.203
F2 C1 H5 108.203 H3 C1 H4 110.709
H3 C1 H5 110.709 H4 C1 H5 110.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.335      
2 F -0.378      
3 H -0.319      
4 H -0.319      
5 H -0.319      


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 -1.896 1.896
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.182 0.000 0.000
y 0.000 -12.182 0.000
z 0.000 0.000 -12.989
Traceless
 xyz
x 0.403 0.000 0.000
y 0.000 0.403 0.000
z 0.000 0.000 -0.807
Polar
3z2-r2-1.613
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 2.584 0.000 0.000
y 0.000 2.584 0.000
z 0.000 0.000 2.912


<r2> (average value of r2) Å2
<r2> 21.950
(<r2>)1/2 4.685