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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-44.995184
Energy at 298.15K-44.994967
HF Energy-44.995184
Nuclear repulsion energy32.214301
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' 2124 1907 417.02      
2 A' 1196 1074 250.85      
3 A' 699 628 22.15      

Unscaled Zero Point Vibrational Energy (zpe) 2009.2 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1804.3 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 HF/CEP-31G*
ABC
6.53401 0.38942 0.36752

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 -1.010 -0.421 0.000
C2 0.000 0.413 0.000
O3 1.137 0.164 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.31012.2250
C21.31011.1635
O32.22501.1635

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 128.089
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 -0.133      
2 C 0.225      
3 O -0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.088 0.534 0.000 1.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.099 -0.638 0.000
y -0.638 -15.314 0.000
z 0.000 0.000 -14.371
Traceless
 xyz
x -3.256 -0.638 0.000
y -0.638 0.921 0.000
z 0.000 0.000 2.335
Polar
3z2-r24.671
x2-y2-2.785
xy-0.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.551 -0.012 0.000
y -0.012 1.620 0.000
z 0.000 0.000 1.364


<r2> (average value of r2) Å2
<r2> 26.927
(<r2>)1/2 5.189