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

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-31.635335
Energy at 298.15K-31.638344
HF Energy-31.635335
Nuclear repulsion energy22.642206
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/CEP-31G*
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 3040 2936 42.01 139.50 0.04 0.08
2 A1 1492 1441 4.30 5.28 0.67 0.80
3 A1 1056 1020 110.90 7.07 0.43 0.60
4 E 3129 3022 66.62 57.90 0.75 0.86
4 E 3129 3022 66.64 57.90 0.75 0.86
5 E 1485 1434 2.80 14.72 0.75 0.86
5 E 1485 1434 2.80 14.72 0.75 0.86
6 E 1181 1140 0.37 7.13 0.75 0.86
6 E 1181 1140 0.38 7.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8589.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8294.4 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 B3LYP/CEP-31G*
ABC
5.10498 0.83669 0.83669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.641
F2 0.000 0.000 0.760
H3 0.000 1.045 -0.997
H4 0.905 -0.523 -0.997
H5 -0.905 -0.523 -0.997

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.40101.10391.10391.1039
F21.40102.04402.04402.0440
H31.10392.04401.81011.8101
H41.10392.04401.81011.8101
H51.10392.04401.81011.8101

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 108.796 F2 C1 H4 108.796
F2 C1 H5 108.796 H3 C1 H4 110.138
H3 C1 H5 110.138 H4 C1 H5 110.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 F -0.231      
3 H 0.189      
4 H 0.189      
5 H 0.189      


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 -2.071 2.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.579 0.000 0.000
y 0.000 -11.579 0.000
z 0.000 0.000 -12.144
Traceless
 xyz
x 0.283 0.000 0.000
y 0.000 0.283 0.000
z 0.000 0.000 -0.566
Polar
3z2-r2-1.131
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 1.750 0.000 0.000
y 0.000 1.750 0.000
z 0.000 0.000 1.871


<r2> (average value of r2) Å2
<r2> 19.293
(<r2>)1/2 4.392