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

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-139.647851
Energy at 298.15K-139.650850
HF Energy-139.647851
Nuclear repulsion energy37.046075
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 PBEPBEultrafine/Def2TZVPP
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 2955 2955 31.94 159.53 0.03 0.05
2 A1 1433 1433 1.24 2.17 0.49 0.66
3 A1 1030 1030 98.56 4.28 0.61 0.75
4 E 3039 3039 34.53 53.92 0.75 0.86
4 E 3039 3039 34.53 53.93 0.75 0.86
5 E 1439 1439 3.46 9.56 0.75 0.86
5 E 1439 1439 3.46 9.56 0.75 0.86
6 E 1152 1152 0.37 4.56 0.75 0.86
6 E 1152 1152 0.37 4.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8338.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8338.5 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 PBEPBEultrafine/Def2TZVPP
ABC
5.16061 0.84324 0.84324

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.638
F2 0.000 0.000 0.757
H3 0.000 1.039 -0.996
H4 0.900 -0.520 -0.996
H5 -0.900 -0.520 -0.996

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39471.09941.09941.0994
F21.39472.03792.03792.0379
H31.09942.03791.80031.8003
H41.09942.03791.80031.8003
H51.09942.03791.80031.8003

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 109.016 F2 C1 H4 109.016
F2 C1 H5 109.016 H3 C1 H4 109.923
H3 C1 H5 109.923 H4 C1 H5 109.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.079      
2 F -0.226      
3 H 0.102      
4 H 0.102      
5 H 0.102      


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 -1.737 1.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.993 0.000 0.000
y 0.000 -11.993 0.000
z 0.000 0.000 -12.574
Traceless
 xyz
x 0.291 0.000 0.000
y 0.000 0.291 0.000
z 0.000 0.000 -0.581
Polar
3z2-r2-1.162
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 2.348 0.000 0.000
y 0.000 2.348 0.000
z 0.000 0.000 2.471


<r2> (average value of r2) Å2
<r2> 21.425
(<r2>)1/2 4.629