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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-139.058234
Energy at 298.15K-139.061249
HF Energy-139.058234
Nuclear repulsion energy37.473216
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/6-31G**
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 2947 2892 32.67      
2 A1 1460 1432 5.19      
3 A1 1139 1118 87.24      
4 E 3029 2972 39.93      
4 E 3029 2972 39.92      
5 E 1436 1409 3.05      
5 E 1436 1409 3.05      
6 E 1162 1140 0.00      
6 E 1162 1140 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8400.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 8243.1 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/6-31G**
ABC
5.18725 0.86828 0.86828

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.617
F2 0.000 0.000 0.746
H3 0.000 1.037 -1.004
H4 0.898 -0.518 -1.004
H5 -0.898 -0.518 -1.004

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.36371.10641.10641.1064
F21.36372.03392.03392.0339
H31.10642.03391.79571.7957
H41.10642.03391.79571.7957
H51.10642.03391.79571.7957

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 110.431 F2 C1 H4 110.431
F2 C1 H5 110.431 H3 C1 H4 108.495
H3 C1 H5 108.495 H4 C1 H5 108.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 F -0.264      
3 H 0.133      
4 H 0.133      
5 H 0.133      


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 -1.556 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.780 0.000 0.000
y 0.000 -11.780 0.000
z 0.000 0.000 -12.030
Traceless
 xyz
x 0.125 0.000 0.000
y 0.000 0.125 0.000
z 0.000 0.000 -0.250
Polar
3z2-r2-0.500
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 2.019 0.000 0.000
y 0.000 2.019 0.000
z 0.000 0.000 1.981


<r2> (average value of r2) Å2
<r2> 20.955
(<r2>)1/2 4.578