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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-139.031654
Energy at 298.15K-139.034691
HF Energy-139.031654
Nuclear repulsion energy36.811994
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/LANL2DZ
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 3259 2933 36.99 144.94 0.05 0.09
2 A1 1606 1446 2.81 3.93 0.62 0.76
3 A1 1067 960 121.78 11.31 0.38 0.55
4 E 3375 3037 53.42 48.88 0.75 0.86
4 E 3375 3037 53.42 48.88 0.75 0.86
5 E 1641 1477 6.95 16.18 0.75 0.86
5 E 1641 1477 6.95 16.18 0.75 0.86
6 E 1257 1131 1.39 9.84 0.75 0.86
6 E 1257 1131 1.39 9.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9238.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 8313.6 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/LANL2DZ
ABC
5.28963 0.82201 0.82201

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.657
F2 0.000 0.000 0.767
H3 0.000 1.027 -0.987
H4 0.889 -0.513 -0.987
H5 -0.889 -0.513 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.42471.07831.07831.0783
F21.42472.03282.03282.0328
H31.07832.03281.77831.7783
H41.07832.03281.77831.7783
H51.07832.03281.77831.7783

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 107.808 F2 C1 H4 107.808
F2 C1 H5 107.808 H3 C1 H4 111.082
H3 C1 H5 111.082 H4 C1 H5 111.082
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 F -0.406      
3 H 0.190      
4 H 0.190      
5 H 0.190      


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 -2.815 2.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.597 0.000 0.000
y 0.000 -11.597 0.000
z 0.000 0.000 -12.757
Traceless
 xyz
x 0.580 0.000 0.000
y 0.000 0.580 0.000
z 0.000 0.000 -1.160
Polar
3z2-r2-2.319
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 1.573 0.000 0.000
y 0.000 1.573 0.000
z 0.000 0.000 1.734


<r2> (average value of r2) Å2
<r2> 21.462
(<r2>)1/2 4.633