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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-139.745539
Energy at 298.15K-139.748528
HF Energy-139.745539
Nuclear repulsion energy36.220340
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/SDD
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 3060 2941 32.39 132.53 0.04 0.07
2 A1 1483 1426 0.14 4.59 0.71 0.83
3 A1 976 938 71.94 8.33 0.38 0.55
4 E 3175 3052 48.01 47.00 0.75 0.86
4 E 3175 3052 48.01 47.00 0.75 0.86
5 E 1498 1440 8.70 16.03 0.75 0.86
5 E 1498 1440 8.70 16.03 0.75 0.86
6 E 1142 1098 0.01 9.87 0.75 0.86
6 E 1142 1098 0.01 9.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8573.9 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 8242.1 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/SDD
ABC
5.15360 0.79463 0.79463

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.667
F2 0.000 0.000 0.781
H3 0.000 1.040 -1.009
H4 0.901 -0.520 -1.009
H5 -0.901 -0.520 -1.009

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.44781.09491.09491.0949
F21.44782.07002.07002.0700
H31.09492.07001.80161.8016
H41.09492.07001.80161.8016
H51.09492.07001.80161.8016

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 108.193 F2 C1 H4 108.193
F2 C1 H5 108.193 H3 C1 H4 110.718
H3 C1 H5 110.718 H4 C1 H5 110.718
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.321      
2 F -0.304      
3 H 0.208      
4 H 0.208      
5 H 0.208      


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 -2.544 2.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.570 0.000 0.000
y 0.000 -11.570 0.000
z 0.000 0.000 -12.374
Traceless
 xyz
x 0.402 0.000 0.000
y 0.000 0.402 0.000
z 0.000 0.000 -0.804
Polar
3z2-r2-1.608
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 1.645 0.000 0.000
y 0.000 1.645 0.000
z 0.000 0.000 1.862


<r2> (average value of r2) Å2
<r2> 21.849
(<r2>)1/2 4.674