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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-139.644178
Energy at 298.15K-139.647177
HF Energy-139.644178
Nuclear repulsion energy36.995530
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/aug-cc-pVTZ
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 2957 2924 35.07 183.89 0.02 0.04
2 A1 1424 1408 0.45 0.90 0.08 0.14
3 A1 1019 1008 103.78 5.03 0.45 0.62
4 E 3040 3006 28.33 49.90 0.75 0.86
4 E 3040 3006 28.33 49.93 0.75 0.86
5 E 1439 1423 5.15 4.55 0.75 0.86
5 E 1439 1423 5.15 4.55 0.75 0.86
6 E 1149 1136 0.58 1.59 0.75 0.86
6 E 1149 1136 0.58 1.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8327.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8234.5 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/aug-cc-pVTZ
ABC
5.15121 0.84052 0.84052

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.640
F2 0.000 0.000 0.758
H3 0.000 1.040 -0.994
H4 0.901 -0.520 -0.994
H5 -0.901 -0.520 -0.994

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39831.09901.09901.0990
F21.39832.03802.03802.0380
H31.09902.03801.80201.8020
H41.09902.03801.80201.8020
H51.09902.03801.80201.8020

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 108.799 F2 C1 H4 108.799
F2 C1 H5 108.799 H3 C1 H4 110.135
H3 C1 H5 110.135 H4 C1 H5 110.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 F -0.349      
3 H 0.220      
4 H 0.220      
5 H 0.220      


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 -1.765 1.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.056 0.000 0.000
y 0.000 -12.056 0.000
z 0.000 0.000 -12.845
Traceless
 xyz
x 0.394 0.000 0.000
y 0.000 0.394 0.000
z 0.000 0.000 -0.788
Polar
3z2-r2-1.576
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 2.610 0.000 0.000
y 0.000 2.610 0.000
z 0.000 0.000 2.866


<r2> (average value of r2) Å2
<r2> 21.539
(<r2>)1/2 4.641