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

using model chemistry: BLYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-139.704951
Energy at 298.15K-139.707958
HF Energy-139.704951
Nuclear repulsion energy37.089540
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(2df,p)
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 2930 2914 33.89 113.91 0.03 0.06
2 A1 1474 1466 5.68 4.61 0.66 0.80
3 A1 1043 1037 81.72 3.63 0.51 0.67
4 E 2998 2981 50.91 54.54 0.75 0.86
4 E 2998 2981 50.90 54.54 0.75 0.86
5 E 1454 1446 1.15 15.01 0.75 0.86
5 E 1454 1446 1.15 15.01 0.75 0.86
6 E 1173 1166 0.91 5.54 0.75 0.86
6 E 1173 1166 0.91 5.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8347.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8301.0 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(2df,p)
ABC
5.16905 0.84610 0.84610

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.631
F2 0.000 0.000 0.756
H3 0.000 1.039 -1.006
H4 0.899 -0.519 -1.006
H5 -0.899 -0.519 -1.006

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38751.10411.10411.1041
F21.38752.04542.04542.0454
H31.10412.04541.79891.7989
H41.10412.04541.79891.7989
H51.10412.04541.79891.7989

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 109.833 F2 C1 H4 109.833
F2 C1 H5 109.833 H3 C1 H4 109.107
H3 C1 H5 109.107 H4 C1 H5 109.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 F -0.118      
3 H 0.107      
4 H 0.107      
5 H 0.107      


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 -1.513 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.725 0.000 0.000
y 0.000 -11.725 0.000
z 0.000 0.000 -12.252
Traceless
 xyz
x 0.263 0.000 0.000
y 0.000 0.263 0.000
z 0.000 0.000 -0.526
Polar
3z2-r2-1.052
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 2.125 0.000 0.000
y 0.000 2.125 0.000
z 0.000 0.000 2.179


<r2> (average value of r2) Å2
<r2> 21.243
(<r2>)1/2 4.609