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

using model chemistry: HF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-139.106661
Energy at 298.15K-139.109722
HF Energy-139.106661
Nuclear repulsion energy37.902690
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 HF/cc-pVQZ
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 3182 2890 36.68 156.48 0.03 0.06
2 A1 1618 1470 3.12 0.85 0.31 0.47
3 A1 1166 1059 141.16 5.20 0.52 0.69
4 E 3258 2960 46.75 47.06 0.75 0.86
4 E 3258 2960 46.75 47.06 0.75 0.86
5 E 1620 1471 3.64 5.21 0.75 0.86
5 E 1620 1471 3.64 5.21 0.75 0.86
6 E 1307 1188 3.40 2.24 0.75 0.86
6 E 1307 1188 3.40 2.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9167.9 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 8328.2 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 HF/cc-pVQZ
ABC
5.33985 0.88561 0.88561

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.621
F2 0.000 0.000 0.738
H3 0.000 1.022 -0.972
H4 0.885 -0.511 -0.972
H5 -0.885 -0.511 -0.972

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.35951.08051.08051.0805
F21.35951.99261.99261.9926
H31.08051.99261.76991.7699
H41.08051.99261.76991.7699
H51.08051.99261.76991.7699

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 108.964 F2 C1 H4 108.964
F2 C1 H5 108.964 H3 C1 H4 109.973
H3 C1 H5 109.973 H4 C1 H5 109.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.240      
2 F -0.340      
3 H 0.033      
4 H 0.033      
5 H 0.033      


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 -1.935 1.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.686 0.000 0.000
y 0.000 -11.686 0.000
z 0.000 0.000 -12.551
Traceless
 xyz
x 0.433 0.000 0.000
y 0.000 0.433 0.000
z 0.000 0.000 -0.865
Polar
3z2-r2-1.730
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 2.151 0.000 0.000
y 0.000 2.151 0.000
z 0.000 0.000 2.247


<r2> (average value of r2) Å2
<r2> 20.669
(<r2>)1/2 4.546