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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-45.001128
Energy at 298.15K-45.000912
HF Energy-45.001128
Nuclear repulsion energy32.284094
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 HF/CEP-121G*
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' 2088 1886 413.57      
2 A' 1185 1070 257.64      
3 A' 699 631 21.42      

Unscaled Zero Point Vibrational Energy (zpe) 1985.5 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 1793.7 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 HF/CEP-121G*
ABC
6.58153 0.39073 0.36884

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.006 -0.430 0.000
C2 0.000 0.413 0.000
O3 1.132 0.174 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.31192.2208
C21.31191.1564
O32.22081.1564

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 128.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.195      
2 C 0.444      
3 O -0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.052 0.577 0.000 1.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.069 -0.687 0.000
y -0.687 -15.271 0.000
z 0.000 0.000 -14.329
Traceless
 xyz
x -3.269 -0.687 0.000
y -0.687 0.928 0.000
z 0.000 0.000 2.341
Polar
3z2-r24.682
x2-y2-2.799
xy-0.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.593 0.014 0.000
y 0.014 1.660 0.000
z 0.000 0.000 1.374


<r2> (average value of r2) Å2
<r2> 26.842
(<r2>)1/2 5.181