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

using model chemistry: LSDA/6-311G*

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/6-311G*
 hartrees
Energy at 0K-139.099475
Energy at 298.15K-139.102487
HF Energy-139.099475
Nuclear repulsion energy37.462873
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/6-311G*
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 2944 2896 30.86      
2 A1 1452 1428 1.60      
3 A1 1102 1085 98.76      
4 E 3029 2979 39.37      
4 E 3029 2979 39.36      
5 E 1439 1416 6.37      
5 E 1439 1416 6.37      
6 E 1163 1144 0.00      
6 E 1163 1144 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8379.9 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 8243.3 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/6-311G*
ABC
5.16519 0.86812 0.86812

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.622
F2 0.000 0.000 0.746
H3 0.000 1.039 -0.993
H4 0.900 -0.519 -0.993
H5 -0.900 -0.519 -0.993

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.36781.10311.10311.1031
F21.36782.02542.02542.0254
H31.10312.02541.79951.7995
H41.10312.02541.79951.7995
H51.10312.02541.79951.7995

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 109.640 F2 C1 H4 109.640
F2 C1 H5 109.640 H3 C1 H4 109.301
H3 C1 H5 109.301 H4 C1 H5 109.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.437      
2 F -0.236      
3 H 0.224      
4 H 0.224      
5 H 0.224      


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 -1.770 1.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.918 0.000 0.000
y 0.000 -11.918 0.000
z 0.000 0.000 -12.352
Traceless
 xyz
x 0.217 0.000 0.000
y 0.000 0.217 0.000
z 0.000 0.000 -0.434
Polar
3z2-r2-0.868
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 2.012 0.000 0.000
y 0.000 2.012 0.000
z 0.000 0.000 1.992


<r2> (average value of r2) Å2
<r2> 21.057
(<r2>)1/2 4.589