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

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-139.617350
Energy at 298.15K-139.620372
HF Energy-139.509396
Nuclear repulsion energy37.191450
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 B2PLYP/cc-pVDZ
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 3054 2925 29.34 140.08 0.04 0.07
2 A1 1492 1429 7.01 3.95 0.64 0.78
3 A1 1083 1037 97.09 4.59 0.61 0.76
4 E 3146 3013 43.52 62.82 0.75 0.86
4 E 3146 3013 43.53 62.82 0.75 0.86
5 E 1485 1422 2.39 13.89 0.75 0.86
5 E 1485 1422 2.39 13.89 0.75 0.86
6 E 1193 1143 1.54 5.02 0.75 0.86
6 E 1193 1143 1.54 5.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8638.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8273.1 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 B2PLYP/cc-pVDZ
ABC
5.17296 0.85159 0.85159

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.631
F2 0.000 0.000 0.753
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
C11.38451.10111.10111.1011
F21.38452.03592.03592.0359
H31.10112.03591.79821.7982
H41.10112.03591.79821.7982
H51.10112.03591.79821.7982

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 109.464 F2 C1 H4 109.464
F2 C1 H5 109.464 H3 C1 H4 109.479
H3 C1 H5 109.479 H4 C1 H5 109.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.184      
2 F -0.268      
3 H 0.028      
4 H 0.028      
5 H 0.028      


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 -1.764 1.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.772 0.000 0.000
y 0.000 -11.772 0.000
z 0.000 0.000 -12.190
Traceless
 xyz
x 0.209 0.000 0.000
y 0.000 0.209 0.000
z 0.000 0.000 -0.418
Polar
3z2-r2-0.835
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 1.906 0.000 0.000
y 0.000 1.906 0.000
z 0.000 0.000 1.963


<r2> (average value of r2) Å2
<r2> 21.156
(<r2>)1/2 4.600