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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-139.698060
Energy at 298.15K-139.701064
HF Energy-139.698060
Nuclear repulsion energy36.909091
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 2942 2919 35.75 120.23 0.03 0.06
2 A1 1482 1470 9.11 6.99 0.71 0.83
3 A1 1039 1031 84.61 4.06 0.58 0.73
4 E 3011 2988 56.96 57.98 0.75 0.86
4 E 3011 2988 56.95 57.98 0.75 0.86
5 E 1464 1453 1.02 18.84 0.75 0.86
5 E 1464 1453 1.02 18.84 0.75 0.86
6 E 1165 1156 0.44 7.60 0.75 0.86
6 E 1165 1156 0.44 7.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8371.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 8307.0 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
5.17006 0.83550 0.83550

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 -0.636
F2 0.000 0.000 0.761
H3 0.000 1.038 -1.011
H4 0.899 -0.519 -1.011
H5 -0.899 -0.519 -1.011

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39781.10401.10401.1040
F21.39782.05432.05432.0543
H31.10402.05431.79871.7987
H41.10402.05431.79871.7987
H51.10402.05431.79871.7987

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 109.839 F2 C1 H4 109.839
F2 C1 H5 109.839 H3 C1 H4 109.101
H3 C1 H5 109.101 H4 C1 H5 109.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.013      
2 F -0.292      
3 H 0.093      
4 H 0.093      
5 H 0.093      


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 -1.607 1.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.761 0.000 0.000
y 0.000 -11.761 0.000
z 0.000 0.000 -12.035
Traceless
 xyz
x 0.137 0.000 0.000
y 0.000 0.137 0.000
z 0.000 0.000 -0.274
Polar
3z2-r2-0.548
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 1.981 0.000 0.000
y 0.000 1.981 0.000
z 0.000 0.000 2.024


<r2> (average value of r2) Å2
<r2> 21.352
(<r2>)1/2 4.621