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

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-139.748027
Energy at 298.15K-139.751048
HF Energy-139.748027
Nuclear repulsion energy37.323319
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 B3PW91/TZVP
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 3035 2926 30.36 145.67 0.03 0.07
2 A1 1492 1439 3.02 4.28 0.73 0.84
3 A1 1070 1032 111.13 4.98 0.58 0.74
4 E 3122 3010 36.62 54.31 0.75 0.86
4 E 3122 3010 36.62 54.31 0.75 0.86
5 E 1486 1433 3.87 12.96 0.75 0.86
5 E 1486 1433 3.87 12.96 0.75 0.86
6 E 1195 1153 0.36 6.84 0.75 0.86
6 E 1195 1153 0.36 6.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8600.5 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 8293.5 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 B3PW91/TZVP
ABC
5.23250 0.85625 0.85625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.632
F2 0.000 0.000 0.751
H3 0.000 1.032 -0.990
H4 0.894 -0.516 -0.990
H5 -0.894 -0.516 -0.990

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38341.09241.09241.0924
F21.38342.02392.02392.0239
H31.09242.02391.78791.7879
H41.09242.02391.78791.7879
H51.09242.02391.78791.7879

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 109.103 F2 C1 H4 109.103
F2 C1 H5 109.103 H3 C1 H4 109.837
H3 C1 H5 109.837 H4 C1 H5 109.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085      
2 F -0.257      
3 H 0.114      
4 H 0.114      
5 H 0.114      


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 -1.969 1.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.807 0.000 0.000
y 0.000 -11.807 0.000
z 0.000 0.000 -12.493
Traceless
 xyz
x 0.343 0.000 0.000
y 0.000 0.343 0.000
z 0.000 0.000 -0.686
Polar
3z2-r2-1.372
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 2.100 0.000 0.000
y 0.000 2.100 0.000
z 0.000 0.000 2.124


<r2> (average value of r2) Å2
<r2> 21.129
(<r2>)1/2 4.597