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All results from a given calculation for FCO (Carbonyl fluoride)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-212.880203
Energy at 298.15K-212.879949
HF Energy-212.880203
Nuclear repulsion energy60.187520
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1971 1873 228.09      
2 A' 1121 1065 172.13      
3 A' 642 610 9.92      

Unscaled Zero Point Vibrational Energy (zpe) 1867.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1774.3 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/6-31G*
ABC
6.30277 0.38300 0.36106

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.019 -0.426 0.000
C2 0.000 0.421 0.000
O3 1.146 0.164 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.32462.2434
C21.32461.1743
O32.24341.1743

picture of Carbonyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 C2 O3 127.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.189      
2 C 0.474      
3 O -0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.891 0.155 0.000 0.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.016 -0.359 0.000
y -0.359 -15.061 0.000
z 0.000 0.000 -14.149
Traceless
 xyz
x -2.411 -0.359 0.000
y -0.359 0.522 0.000
z 0.000 0.000 1.889
Polar
3z2-r23.778
x2-y2-1.956
xy-0.359
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.623 0.046 0.000
y 0.046 1.541 0.000
z 0.000 0.000 1.282


<r2> (average value of r2) Å2
<r2> 32.377
(<r2>)1/2 5.690