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

using model chemistry: B2PLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-139.682825
Energy at 298.15K-139.685849
HF Energy-139.565177
Nuclear repulsion energy37.258631
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 B2PLYP/TZVP
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 3067 2927 29.68 143.77 0.04 0.07
2 A1 1516 1447 4.56 3.89 0.73 0.84
3 A1 1057 1009 109.55 5.67 0.54 0.70
4 E 3156 3012 36.37 52.59 0.75 0.86
4 E 3156 3012 36.37 52.59 0.75 0.86
5 E 1511 1442 3.04 12.18 0.75 0.86
5 E 1511 1442 3.04 12.18 0.75 0.86
6 E 1211 1155 0.85 7.23 0.75 0.86
6 E 1211 1155 0.85 7.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8697.9 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8301.3 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 B2PLYP/TZVP
ABC
5.25059 0.85132 0.85132

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.636
F2 0.000 0.000 0.754
H3 0.000 1.030 -0.988
H4 0.892 -0.515 -0.988
H5 -0.892 -0.515 -0.988

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38981.08881.08881.0888
F21.38982.02352.02352.0235
H31.08882.02351.78481.7848
H41.08882.02351.78481.7849
H51.08882.02351.78481.7849

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 108.843 F2 C1 H4 108.843
F2 C1 H5 108.843 H3 C1 H4 110.092
H3 C1 H5 110.092 H4 C1 H5 110.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 F -0.275      
3 H 0.104      
4 H 0.104      
5 H 0.104      


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 -2.035 2.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.932 0.000 0.000
y 0.000 -11.932 0.000
z 0.000 0.000 -12.627
Traceless
 xyz
x 0.348 0.000 0.000
y 0.000 0.348 0.000
z 0.000 0.000 -0.695
Polar
3z2-r2-1.391
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 2.080 0.000 0.000
y 0.000 2.080 0.000
z 0.000 0.000 2.120


<r2> (average value of r2) Å2
<r2> 21.248
(<r2>)1/2 4.610