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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-139.639043
Energy at 298.15K-139.642047
HF Energy-139.639043
Nuclear repulsion energy37.090501
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 PBEPBEultrafine/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 2948 2928 33.23 157.48 0.03 0.05
2 A1 1436 1426 1.48 2.97 0.48 0.65
3 A1 1041 1034 94.30 3.74 0.66 0.79
4 E 3027 3006 39.16 56.24 0.75 0.86
4 E 3027 3006 39.16 56.24 0.75 0.86
5 E 1439 1429 3.09 9.47 0.75 0.86
5 E 1439 1429 3.09 9.47 0.75 0.86
6 E 1154 1146 0.41 4.06 0.75 0.86
6 E 1154 1146 0.41 4.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8332.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8274.7 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 PBEPBEultrafine/cc-pVTZ
ABC
5.17093 0.84559 0.84559

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.635
F2 0.000 0.000 0.756
H3 0.000 1.038 -0.998
H4 0.899 -0.519 -0.998
H5 -0.899 -0.519 -0.998

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.39111.10011.10011.1001
F21.39112.03872.03872.0387
H31.10012.03871.79851.7985
H41.10012.03871.79851.7985
H51.10012.03871.79851.7985

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 109.285 F2 C1 H4 109.285
F2 C1 H5 109.285 H3 C1 H4 109.657
H3 C1 H5 109.657 H4 C1 H5 109.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 F -0.222      
3 H 0.067      
4 H 0.067      
5 H 0.067      


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 -1.673 1.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.951 0.000 0.000
y 0.000 -11.951 0.000
z 0.000 0.000 -12.424
Traceless
 xyz
x 0.237 0.000 0.000
y 0.000 0.237 0.000
z 0.000 0.000 -0.473
Polar
3z2-r2-0.946
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 2.278 0.000 0.000
y 0.000 2.278 0.000
z 0.000 0.000 2.395


<r2> (average value of r2) Å2
<r2> 21.352
(<r2>)1/2 4.621