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

using model chemistry: PBEPBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-139.644337
Energy at 298.15K-139.647332
HF Energy-139.644337
Nuclear repulsion energy36.998511
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 PBEPBE/daug-cc-pVTZ
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 2957 2957 35.03 183.81 0.02 0.03
2 A1 1424 1424 0.48 0.87 0.10 0.18
3 A1 1019 1019 103.83 5.00 0.42 0.59
4 E 3039 3039 28.50 49.90 0.75 0.86
4 E 3039 3039 28.50 50.04 0.75 0.86
5 E 1438 1438 5.11 4.50 0.75 0.86
5 E 1438 1438 5.11 4.50 0.75 0.86
6 E 1149 1149 0.58 1.61 0.75 0.86
6 E 1149 1149 0.58 1.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8326.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8326.7 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 PBEPBE/daug-cc-pVTZ
ABC
5.15174 0.84068 0.84068

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.640
F2 0.000 0.000 0.758
H3 0.000 1.040 -0.994
H4 0.901 -0.520 -0.994
H5 -0.901 -0.520 -0.994

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39811.09901.09901.0990
F21.39812.03782.03782.0378
H31.09902.03781.80191.8019
H41.09902.03781.80191.8019
H51.09902.03781.80191.8019

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 108.802 F2 C1 H4 108.802
F2 C1 H5 108.802 H3 C1 H4 110.132
H3 C1 H5 110.132 H4 C1 H5 110.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 F -0.654      
3 H 0.325      
4 H 0.325      
5 H 0.325      


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 -1.761 1.761
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.059 0.000 0.000
y 0.000 -12.059 0.000
z 0.000 0.000 -12.833
Traceless
 xyz
x 0.387 0.000 0.000
y 0.000 0.387 0.000
z 0.000 0.000 -0.774
Polar
3z2-r2-1.548
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 2.635 0.000 0.000
y 0.000 2.635 0.000
z 0.000 0.000 2.875


<r2> (average value of r2) Å2
<r2> 21.535
(<r2>)1/2 4.641