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

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-139.669198
Energy at 298.15K-139.672181
HF Energy-139.669198
Nuclear repulsion energy36.081544
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/6-31G
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 2969 2946 26.67 124.99 0.03 0.06
2 A1 1479 1467 4.37 7.81 0.71 0.83
3 A1 957 950 56.98 4.95 0.53 0.69
4 E 3054 3030 52.66 58.58 0.75 0.86
4 E 3054 3030 52.65 58.58 0.75 0.86
5 E 1488 1477 3.21 21.11 0.75 0.86
5 E 1488 1477 3.21 21.11 0.75 0.86
6 E 1127 1119 0.00 11.70 0.75 0.86
6 E 1127 1119 0.00 11.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8371.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8307.6 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 BLYP/6-31G
ABC
5.13663 0.78840 0.78840

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.665
F2 0.000 0.000 0.785
H3 0.000 1.042 -1.024
H4 0.902 -0.521 -1.024
H5 -0.902 -0.521 -1.024

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.44961.10201.10201.1020
F21.44962.08732.08732.0873
H31.10202.08731.80451.8045
H41.10202.08731.80451.8045
H51.10202.08731.80451.8045

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 109.016 F2 C1 H4 109.016
F2 C1 H5 109.016 H3 C1 H4 109.923
H3 C1 H5 109.923 H4 C1 H5 109.923
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 F -0.323      
3 H 0.135      
4 H 0.135      
5 H 0.135      


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 -2.090 2.090
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.745 0.000 0.000
y 0.000 -11.745 0.000
z 0.000 0.000 -12.212
Traceless
 xyz
x 0.234 0.000 0.000
y 0.000 0.234 0.000
z 0.000 0.000 -0.468
Polar
3z2-r2-0.935
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 1.772 0.000 0.000
y 0.000 1.772 0.000
z 0.000 0.000 1.993


<r2> (average value of r2) Å2
<r2> 22.029
(<r2>)1/2 4.694