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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-139.578424
Energy at 298.15K-139.581433
HF Energy-139.578424
Nuclear repulsion energy37.074509
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/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 2952 2911 34.80 122.54 0.03 0.06
2 A1 1471 1451 7.13 7.14 0.71 0.83
3 A1 1073 1058 85.22 3.90 0.60 0.75
4 E 3030 2989 50.72 58.28 0.75 0.86
4 E 3030 2989 50.72 58.28 0.75 0.86
5 E 1455 1435 1.58 19.15 0.75 0.86
5 E 1455 1435 1.58 19.15 0.75 0.86
6 E 1163 1147 0.19 7.09 0.75 0.86
6 E 1163 1147 0.19 7.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8395.5 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8280.5 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 PBEPBE/6-31G**
ABC
5.17034 0.84528 0.84528

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

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 0.757
H3 0.000 1.038 -1.008
H4 0.899 -0.519 -1.008
H5 -0.899 -0.519 -1.008

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38751.10491.10491.1049
F21.38752.04792.04792.0479
H31.10492.04791.79861.7986
H41.10492.04791.79861.7986
H51.10492.04791.79861.7986

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 109.977 F2 C1 H4 109.977
F2 C1 H5 109.977 H3 C1 H4 108.961
H3 C1 H5 108.961 H4 C1 H5 108.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.060      
2 F -0.285      
3 H 0.115      
4 H 0.115      
5 H 0.115      


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 -1.580 1.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.741 0.000 0.000
y 0.000 -11.741 0.000
z 0.000 0.000 -11.985
Traceless
 xyz
x 0.122 0.000 0.000
y 0.000 0.122 0.000
z 0.000 0.000 -0.244
Polar
3z2-r2-0.488
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 1.995 0.000 0.000
y 0.000 1.995 0.000
z 0.000 0.000 2.012


<r2> (average value of r2) Å2
<r2> 21.210
(<r2>)1/2 4.605