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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-139.701353
Energy at 298.15K-139.704371
HF Energy-139.701353
Nuclear repulsion energy37.202549
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 B3PW91/6-31+G**
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 3053 2931 35.18      
2 A1 1484 1425 2.43      
3 A1 1068 1026 115.53      
4 E 3150 3024 31.43      
4 E 3150 3024 31.43      
5 E 1494 1434 5.09      
5 E 1494 1434 5.09      
6 E 1190 1143 0.54      
6 E 1190 1143 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 8636.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 8291.7 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 B3PW91/6-31+G**
ABC
5.19565 0.85053 0.85053

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.637
F2 0.000 0.000 0.754
H3 0.000 1.036 -0.988
H4 0.897 -0.518 -0.988
H5 -0.897 -0.518 -0.988

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39001.09381.09381.0938
F21.39002.02602.02602.0260
H31.09382.02601.79431.7943
H41.09382.02601.79431.7943
H51.09382.02601.79431.7943

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 108.724 F2 C1 H4 108.724
F2 C1 H5 108.724 H3 C1 H4 110.208
H3 C1 H5 110.208 H4 C1 H5 110.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.165      
2 F -0.306      
3 H 0.157      
4 H 0.157      
5 H 0.157      


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 -2.035 2.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.877 0.000 0.000
y 0.000 -11.877 0.000
z 0.000 0.000 -12.618
Traceless
 xyz
x 0.370 0.000 0.000
y 0.000 0.370 0.000
z 0.000 0.000 -0.741
Polar
3z2-r2-1.482
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 2.106 0.000 0.000
y 0.000 2.106 0.000
z 0.000 0.000 2.204


<r2> (average value of r2) Å2
<r2> 21.260
(<r2>)1/2 4.611