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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-44.895127
Energy at 298.15K-44.894851
HF Energy-44.895127
Nuclear repulsion energy31.241424
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-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' 1855 1672 196.77      
2 A' 1010 910 234.86      
3 A' 631 569 30.54      

Unscaled Zero Point Vibrational Energy (zpe) 1747.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 1575.4 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-31G
ABC
6.03460 0.36646 0.34548

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.032 -0.468 0.000
C2 0.000 0.434 0.000
O3 1.161 0.201 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.37012.2918
C21.37011.1837
O32.29181.1837

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 127.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.211      
2 C 0.311      
3 O -0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.808 0.932 0.000 1.234
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.952 -1.082 0.000
y -1.082 -15.699 0.000
z 0.000 0.000 -14.588
Traceless
 xyz
x -4.809 -1.082 0.000
y -1.082 1.571 0.000
z 0.000 0.000 3.238
Polar
3z2-r26.475
x2-y2-4.253
xy-1.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.812 0.202 0.000
y 0.202 1.538 0.000
z 0.000 0.000 1.127


<r2> (average value of r2) Å2
<r2> 28.517
(<r2>)1/2 5.340