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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-139.724706
Energy at 298.15K-139.727722
HF Energy-139.724706
Nuclear repulsion energy37.185038
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 mPW1PW91/aug-cc-pVDZ
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 3061 2933 33.81 167.35 0.02 0.04
2 A1 1455 1395 0.45 0.71 0.14 0.25
3 A1 1068 1024 111.53 5.44 0.44 0.61
4 E 3163 3031 27.45 44.73 0.75 0.86
4 E 3163 3031 27.45 44.75 0.75 0.86
5 E 1465 1404 5.68 4.41 0.75 0.86
5 E 1465 1404 5.69 4.41 0.75 0.86
6 E 1181 1132 0.76 1.52 0.75 0.86
6 E 1181 1132 0.76 1.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8601.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8242.9 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 mPW1PW91/aug-cc-pVDZ
ABC
5.16415 0.85093 0.85093

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.636
F2 0.000 0.000 0.753
H3 0.000 1.039 -0.987
H4 0.900 -0.520 -0.987
H5 -0.900 -0.520 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38951.09651.09651.0965
F21.38952.02642.02642.0264
H31.09652.02641.79971.7997
H41.09652.02641.79971.7997
H51.09652.02641.79971.7997

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 108.630 F2 C1 H4 108.630
F2 C1 H5 108.630 H3 C1 H4 110.299
H3 C1 H5 110.299 H4 C1 H5 110.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.878      
2 F -0.426      
3 H -0.150      
4 H -0.150      
5 H -0.150      


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 -1.858 1.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.868 0.000 0.000
y 0.000 -11.868 0.000
z 0.000 0.000 -12.694
Traceless
 xyz
x 0.413 0.000 0.000
y 0.000 0.413 0.000
z 0.000 0.000 -0.826
Polar
3z2-r2-1.651
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 2.416 0.000 0.000
y 0.000 2.416 0.000
z 0.000 0.000 2.659


<r2> (average value of r2) Å2
<r2> 21.279
(<r2>)1/2 4.613