return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/daug-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 PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-139.611877
Energy at 298.15K-139.614894
HF Energy-139.611877
Nuclear repulsion energy37.195481
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 PBE1PBE/daug-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 3051 3051 34.31 175.68 0.02 0.04
2 A1 1447 1447 0.39 0.74 0.16 0.27
3 A1 1073 1073 111.62 5.28 0.40 0.57
4 E 3154 3154 27.24 45.93 0.75 0.86
4 E 3154 3154 27.24 45.93 0.75 0.86
5 E 1459 1459 5.79 4.33 0.75 0.86
5 E 1459 1459 5.79 4.34 0.75 0.86
6 E 1178 1178 0.73 1.57 0.75 0.86
6 E 1178 1178 0.73 1.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8576.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8576.4 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 PBE1PBE/daug-cc-pVDZ
ABC
5.15558 0.85200 0.85200

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.753
H3 0.000 1.040 -0.987
H4 0.901 -0.520 -0.987
H5 -0.901 -0.520 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.38801.09771.09771.0977
F21.38802.02672.02672.0267
H31.09772.02671.80121.8012
H41.09772.02671.80121.8012
H51.09772.02671.80121.8012

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 108.677 F2 C1 H4 108.677
F2 C1 H5 108.677 H3 C1 H4 110.253
H3 C1 H5 110.253 H4 C1 H5 110.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.109      
2 F -0.653      
3 H -0.152      
4 H -0.152      
5 H -0.152      


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 -1.831 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.909 0.000 0.000
y 0.000 -11.909 0.000
z 0.000 0.000 -12.696
Traceless
 xyz
x 0.394 0.000 0.000
y 0.000 0.394 0.000
z 0.000 0.000 -0.787
Polar
3z2-r2-1.574
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 2.504 0.000 0.000
y 0.000 2.504 0.000
z 0.000 0.000 2.707


<r2> (average value of r2) Å2
<r2> 21.289
(<r2>)1/2 4.614