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

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-211.713019
Energy at 298.15K-211.712713
HF Energy-211.713019
Nuclear repulsion energy58.048215
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 PBEPBE/3-21G*
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' 1757 1676 121.15      
2 A' 997 951 94.37      
3 A' 582 555 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 1668.3 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 1590.7 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 PBEPBE/3-21G*
ABC
5.98205 0.35455 0.33471

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.051 -0.466 0.000
C2 0.000 0.435 0.000
O3 1.183 0.198 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.38452.3306
C21.38451.2061
O32.33061.2061

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 128.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.184      
2 C 0.522      
3 O -0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.620 -0.084 0.000 0.626
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.349 -0.371 0.000
y -0.371 -15.309 0.000
z 0.000 0.000 -14.189
Traceless
 xyz
x -2.601 -0.371 0.000
y -0.371 0.460 0.000
z 0.000 0.000 2.140
Polar
3z2-r24.281
x2-y2-2.040
xy-0.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.481 0.190 0.000
y 0.190 1.291 0.000
z 0.000 0.000 0.979


<r2> (average value of r2) Å2
<r2> 34.293
(<r2>)1/2 5.856