return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-213.091134
Energy at 298.15K-213.090845
HF Energy-213.091134
Nuclear repulsion energy59.460434
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 BLYP/6-31G(2df,p)
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' 1822 1812 166.31      
2 A' 1015 1009 138.77      
3 A' 603 599 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 1719.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1709.9 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 BLYP/6-31G(2df,p)
ABC
6.10790 0.37406 0.35248

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.029 -0.437 0.000
C2 0.000 0.428 0.000
O3 1.158 0.171 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.34452.2698
C21.34451.1858
O32.26981.1858

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 127.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F 0.016      
2 C 0.079      
3 O -0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.737 0.028 0.000 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.737 -0.279 0.000
y -0.279 -15.172 0.000
z 0.000 0.000 -14.246
Traceless
 xyz
x -2.029 -0.279 0.000
y -0.279 0.320 0.000
z 0.000 0.000 1.709
Polar
3z2-r23.418
x2-y2-1.566
xy-0.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.869 0.110 0.000
y 0.110 1.853 0.000
z 0.000 0.000 1.572


<r2> (average value of r2) Å2
<r2> 32.915
(<r2>)1/2 5.737