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

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-139.594528
Energy at 298.15K-139.597550
HF Energy-139.594528
Nuclear repulsion energy37.348937
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 PBE1PBE/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 3042 2925 28.18 142.47 0.03 0.07
2 A1 1476 1419 5.47 4.03 0.64 0.78
3 A1 1112 1069 101.52 4.10 0.65 0.79
4 E 3136 3015 39.10 63.24 0.75 0.86
4 E 3136 3015 39.10 63.24 0.75 0.86
5 E 1465 1408 3.35 14.10 0.75 0.86
5 E 1465 1408 3.35 14.10 0.75 0.86
6 E 1185 1140 0.96 4.53 0.75 0.86
6 E 1185 1140 0.96 4.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8600.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8269.6 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 PBE1PBE/cc-pVDZ
ABC
5.17506 0.86093 0.86093

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.626
F2 0.000 0.000 0.749
H3 0.000 1.038 -0.996
H4 0.899 -0.519 -0.996
H5 -0.899 -0.519 -0.996

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37461.10221.10221.1022
F21.37462.03062.03062.0306
H31.10222.03061.79781.7978
H41.10222.03061.79781.7978
H51.10222.03061.79781.7978

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 109.651 F2 C1 H4 109.651
F2 C1 H5 109.651 H3 C1 H4 109.291
H3 C1 H5 109.291 H4 C1 H5 109.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.128      
2 F -0.254      
3 H 0.042      
4 H 0.042      
5 H 0.042      


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 -1.717 1.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.679 0.000 0.000
y 0.000 -11.679 0.000
z 0.000 0.000 -12.082
Traceless
 xyz
x 0.202 0.000 0.000
y 0.000 0.202 0.000
z 0.000 0.000 -0.403
Polar
3z2-r2-0.806
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 1.919 0.000 0.000
y 0.000 1.919 0.000
z 0.000 0.000 1.952


<r2> (average value of r2) Å2
<r2> 20.986
(<r2>)1/2 4.581