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: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-139.804431
Energy at 298.15K-139.807448
HF Energy-139.804431
Nuclear repulsion energy37.220325
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 B3LYP/aug-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 3032 2934 33.47 173.84 0.02 0.04
2 A1 1481 1433 0.85 0.67 0.07 0.13
3 A1 1042 1008 111.40 5.58 0.43 0.60
4 E 3112 3011 28.43 46.35 0.75 0.86
4 E 3112 3011 28.43 46.37 0.75 0.86
5 E 1494 1446 5.22 4.20 0.75 0.86
5 E 1494 1446 5.22 4.20 0.75 0.86
6 E 1191 1152 1.13 1.59 0.75 0.86
6 E 1191 1152 1.13 1.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8574.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8295.8 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 B3LYP/aug-cc-pVTZ
ABC
5.23412 0.84970 0.84970

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.638
F2 0.000 0.000 0.754
H3 0.000 1.032 -0.987
H4 0.894 -0.516 -0.987
H5 -0.894 -0.516 -0.987

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39191.08951.08951.0895
F21.39192.02392.02392.0239
H31.08952.02391.78771.7877
H41.08952.02391.78771.7877
H51.08952.02391.78771.7877

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 108.686 F2 C1 H4 108.686
F2 C1 H5 108.686 H3 C1 H4 110.245
H3 C1 H5 110.245 H4 C1 H5 110.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.323      
2 F -0.387      
3 H 0.237      
4 H 0.237      
5 H 0.237      


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 -1.872 1.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.961 0.000 0.000
y 0.000 -11.961 0.000
z 0.000 0.000 -12.821
Traceless
 xyz
x 0.430 0.000 0.000
y 0.000 0.430 0.000
z 0.000 0.000 -0.860
Polar
3z2-r2-1.720
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 2.484 0.000 0.000
y 0.000 2.484 0.000
z 0.000 0.000 2.723


<r2> (average value of r2) Å2
<r2> 21.326
(<r2>)1/2 4.618