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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-139.583226
Energy at 298.15K-139.586225
HF Energy-139.583226
Nuclear repulsion energy36.974112
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 PBEPBEultrafine/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2939 2922 32.50 148.59 0.03 0.06
2 A1 1426 1418 6.17 5.29 0.62 0.76
3 A1 1055 1049 91.80 3.74 0.68 0.81
4 E 3024 3006 45.39 68.05 0.75 0.86
4 E 3024 3006 45.39 68.05 0.75 0.86
5 E 1411 1403 2.45 15.69 0.75 0.86
5 E 1411 1403 2.45 15.69 0.75 0.86
6 E 1142 1135 0.60 5.29 0.75 0.86
6 E 1142 1135 0.60 5.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8286.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8238.4 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 PBEPBEultrafine/cc-pVDZ
ABC
5.09587 0.84275 0.84275

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.632
F2 0.000 0.000 0.757
H3 0.000 1.046 -1.009
H4 0.906 -0.523 -1.009
H5 -0.906 -0.523 -1.009

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38911.11201.11201.1120
F21.38912.05282.05282.0528
H31.11202.05281.81171.8117
H41.11202.05281.81171.8117
H51.11202.05281.81171.8117

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 109.833 F2 C1 H4 109.833
F2 C1 H5 109.833 H3 C1 H4 109.107
H3 C1 H5 109.107 H4 C1 H5 109.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.122      
2 F -0.224      
3 H 0.034      
4 H 0.034      
5 H 0.034      


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 -1.588 1.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.800 0.000 0.000
y 0.000 -11.800 0.000
z 0.000 0.000 -12.091
Traceless
 xyz
x 0.145 0.000 0.000
y 0.000 0.145 0.000
z 0.000 0.000 -0.291
Polar
3z2-r2-0.582
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 1.994 0.000 0.000
y 0.000 1.994 0.000
z 0.000 0.000 2.058


<r2> (average value of r2) Å2
<r2> 21.324
(<r2>)1/2 4.618