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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-31.612270
Energy at 298.15K-31.615266
HF Energy-31.612270
Nuclear repulsion energy22.252401
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 B3LYP/CEP-121G
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 3007 2930 30.53 143.95 0.04 0.07
2 A1 1478 1440 2.09 5.58 0.75 0.86
3 A1 972 947 82.60 8.67 0.46 0.63
4 E 3126 3046 48.90 56.58 0.75 0.86
4 E 3126 3046 48.92 56.58 0.75 0.86
5 E 1494 1456 5.73 15.65 0.75 0.86
5 E 1494 1456 5.73 15.65 0.75 0.86
6 E 1144 1115 0.09 11.75 0.75 0.86
6 E 1144 1115 0.09 11.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8491.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 8275.3 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 B3LYP/CEP-121G
ABC
5.14234 0.79164 0.79164

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.669
F2 0.000 0.000 0.782
H3 0.000 1.041 -1.008
H4 0.902 -0.521 -1.008
H5 -0.902 -0.521 -1.008

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.45181.09491.09491.0949
F21.45182.07092.07092.0709
H31.09492.07091.80351.8035
H41.09492.07091.80351.8035
H51.09492.07091.80351.8035

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 108.002 F2 C1 H4 108.002
F2 C1 H5 108.002 H3 C1 H4 110.900
H3 C1 H5 110.900 H4 C1 H5 110.900
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 F -0.294      
3 H 0.160      
4 H 0.160      
5 H 0.160      


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 -2.505 2.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.788 0.000 0.000
y 0.000 -11.788 0.000
z 0.000 0.000 -12.634
Traceless
 xyz
x 0.423 0.000 0.000
y 0.000 0.423 0.000
z 0.000 0.000 -0.846
Polar
3z2-r2-1.691
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 1.904 0.000 0.000
y 0.000 1.904 0.000
z 0.000 0.000 2.085


<r2> (average value of r2) Å2
<r2> 19.915
(<r2>)1/2 4.463