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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-139.076039
Energy at 298.15K-139.079042
HF Energy-139.076039
Nuclear repulsion energy37.274111
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 LSDA/6-31+G**
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 2968 2924 34.27      
2 A1 1419 1398 0.69      
3 A1 1087 1071 110.94      
4 E 3065 3019 22.89      
4 E 3065 3019 22.89      
5 E 1426 1404 7.80      
5 E 1426 1404 7.80      
6 E 1147 1130 0.01      
6 E 1147 1130 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 8375.1 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 8249.5 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 LSDA/6-31+G**
ABC
5.12510 0.85844 0.85844

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.629
F2 0.000 0.000 0.750
H3 0.000 1.043 -0.990
H4 0.903 -0.522 -0.990
H5 -0.903 -0.522 -0.990

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37891.10381.10381.1038
F21.37892.02872.02872.0287
H31.10382.02871.80661.8066
H41.10382.02871.80661.8066
H51.10382.02871.80661.8066

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 109.097 F2 C1 H4 109.097
F2 C1 H5 109.097 H3 C1 H4 109.843
H3 C1 H5 109.843 H4 C1 H5 109.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259      
2 F -0.281      
3 H 0.180      
4 H 0.180      
5 H 0.180      


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 -1.946 1.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.090 0.000 0.000
y 0.000 -12.090 0.000
z 0.000 0.000 -12.814
Traceless
 xyz
x 0.362 0.000 0.000
y 0.000 0.362 0.000
z 0.000 0.000 -0.724
Polar
3z2-r2-1.447
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 2.214 0.000 0.000
y 0.000 2.214 0.000
z 0.000 0.000 2.291


<r2> (average value of r2) Å2
<r2> 21.342
(<r2>)1/2 4.620