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

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-139.603865
Energy at 298.15K-139.606854
HF Energy-139.603865
Nuclear repulsion energy36.759486
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 PBEPBE/aug-cc-pVDZ
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 2965 2947 34.52 178.75 0.02 0.04
2 A1 1394 1386 0.26 0.95 0.16 0.27
3 A1 1006 1000 103.25 5.31 0.46 0.63
4 E 3064 3045 27.28 50.16 0.75 0.86
4 E 3064 3045 27.28 50.15 0.75 0.86
5 E 1406 1398 4.99 4.91 0.75 0.86
5 E 1406 1398 4.99 4.91 0.75 0.86
6 E 1132 1125 0.40 1.64 0.75 0.86
6 E 1131 1125 0.40 1.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8284.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 8233.6 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 PBEPBE/aug-cc-pVDZ
ABC
5.06866 0.83040 0.83040

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.645
F2 0.000 0.000 0.762
H3 0.000 1.049 -0.997
H4 0.908 -0.524 -0.997
H5 -0.908 -0.524 -0.997

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.40791.10601.10601.1060
F21.40792.04802.04802.0480
H31.10602.04801.81661.8166
H41.10602.04801.81661.8166
H51.10602.04801.81661.8166

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 108.512 F2 C1 H4 108.512
F2 C1 H5 108.512 H3 C1 H4 110.413
H3 C1 H5 110.413 H4 C1 H5 110.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.011      
2 F -0.379      
3 H -0.211      
4 H -0.211      
5 H -0.211      


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 -1.803 1.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.100 0.000 0.000
y 0.000 -12.100 0.000
z 0.000 0.000 -12.867
Traceless
 xyz
x 0.383 0.000 0.000
y 0.000 0.383 0.000
z 0.000 0.000 -0.767
Polar
3z2-r2-1.534
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 2.575 0.000 0.000
y 0.000 2.575 0.000
z 0.000 0.000 2.866


<r2> (average value of r2) Å2
<r2> 21.728
(<r2>)1/2 4.661