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

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-139.737131
Energy at 298.15K-139.740155
HF Energy-139.737131
Nuclear repulsion energy37.219491
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 TPSSh/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 3031 2906 33.08 128.72 0.03 0.07
2 A1 1523 1460 8.79 6.17 0.71 0.83
3 A1 1088 1043 91.85 4.28 0.57 0.73
4 E 3111 2982 57.17 60.18 0.75 0.86
4 E 3111 2982 57.18 60.19 0.75 0.86
5 E 1522 1459 0.88 17.62 0.75 0.86
5 E 1522 1459 0.88 17.62 0.75 0.86
6 E 1202 1152 0.74 7.63 0.75 0.86
6 E 1202 1152 0.74 7.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8655.0 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 8297.6 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 TPSSh/6-31G**
ABC
5.22790 0.85064 0.85064

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.633
F2 0.000 0.000 0.754
H3 0.000 1.033 -0.997
H4 0.894 -0.516 -0.997
H5 -0.894 -0.516 -0.997

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38671.09521.09521.0952
F21.38672.03312.03312.0331
H31.09522.03311.78871.7887
H41.09522.03311.78871.7887
H51.09522.03311.78871.7887

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 109.445 F2 C1 H4 109.445
F2 C1 H5 109.445 H3 C1 H4 109.497
H3 C1 H5 109.497 H4 C1 H5 109.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.031      
2 F -0.319      
3 H 0.116      
4 H 0.116      
5 H 0.116      


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 -1.709 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.959 0.000 0.000
y 0.000 1.959 0.000
z 0.000 0.000 1.953


<r2> (average value of r2) Å2
<r2> 21.047
(<r2>)1/2 4.588