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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-211.705044
Energy at 298.15K-211.704771
HF Energy-211.705044
Nuclear repulsion energy58.911370
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/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' 1866 1791 152.89      
2 A' 1060 1017 113.21      
3 A' 620 595 11.07      

Unscaled Zero Point Vibrational Energy (zpe) 1773.0 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 1701.7 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 PBE1PBE/3-21G*
ABC
6.17435 0.36515 0.34476

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.037 -0.456 0.000
C2 0.000 0.428 0.000
O3 1.166 0.192 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.36222.2968
C21.36221.1900
O32.29681.1900

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 128.165
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.234      
2 C 0.614      
3 O -0.381      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.693 0.102 0.000 0.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.782 -0.527 0.000
y -0.527 -15.277 0.000
z 0.000 0.000 -14.108
Traceless
 xyz
x -3.089 -0.527 0.000
y -0.527 0.668 0.000
z 0.000 0.000 2.422
Polar
3z2-r24.843
x2-y2-2.504
xy-0.527
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.373 0.126 0.000
y 0.126 1.246 0.000
z 0.000 0.000 0.955


<r2> (average value of r2) Å2
<r2> 33.645
(<r2>)1/2 5.800