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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-212.970880
Energy at 298.15K-212.970579
HF Energy-212.970880
Nuclear repulsion energy58.538093
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 mPW1PW91/6-31G
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' 1856 1757 199.27      
2 A' 987 934 151.06      
3 A' 592 560 13.05      

Unscaled Zero Point Vibrational Energy (zpe) 1717.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 1625.7 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 mPW1PW91/6-31G
ABC
6.00888 0.36079 0.34036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.038 -0.477 0.000
C2 0.000 0.436 0.000
O3 1.167 0.210 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.38182.3095
C21.38181.1891
O32.30951.1891

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 127.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.251      
2 C 0.535      
3 O -0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.609 0.339 0.000 0.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.342 -0.694 0.000
y -0.694 -15.449 0.000
z 0.000 0.000 -14.297
Traceless
 xyz
x -3.469 -0.694 0.000
y -0.694 0.871 0.000
z 0.000 0.000 2.598
Polar
3z2-r25.196
x2-y2-2.893
xy-0.694
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.684 0.161 0.000
y 0.161 1.447 0.000
z 0.000 0.000 1.073


<r2> (average value of r2) Å2
<r2> 34.143
(<r2>)1/2 5.843