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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-213.054040
Energy at 298.15K-213.053778
HF Energy-213.054040
Nuclear repulsion energy60.129431
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 mPW1PW91/6-31+G**
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' 1965 1870 280.46      
2 A' 1074 1022 206.45      
3 A' 632 602 11.22      

Unscaled Zero Point Vibrational Energy (zpe) 1835.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 1746.8 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 mPW1PW91/6-31+G**
ABC
6.30211 0.38194 0.36012

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.018 -0.435 0.000
C2 0.000 0.422 0.000
O3 1.145 0.173 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.32992.2462
C21.32991.1716
O32.24621.1716

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 127.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.191      
2 C 0.461      
3 O -0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.771 0.292 0.000 0.825
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.795 -0.462 0.000
y -0.462 -15.697 0.000
z 0.000 0.000 -14.650
Traceless
 xyz
x -2.621 -0.462 0.000
y -0.462 0.525 0.000
z 0.000 0.000 2.096
Polar
3z2-r24.192
x2-y2-2.098
xy-0.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.175 0.038 0.000
y 0.038 2.073 0.000
z 0.000 0.000 1.659


<r2> (average value of r2) Å2
<r2> 32.834
(<r2>)1/2 5.730