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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-211.920921
Energy at 298.15K-211.920634
HF Energy-211.920921
Nuclear repulsion energy58.631749
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 B3LYP/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' 1828 1758 137.91      
2 A' 1019 980 109.14      
3 A' 606 583 9.50      

Unscaled Zero Point Vibrational Energy (zpe) 1726.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1660.8 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 B3LYP/3-21G*
ABC
6.06845 0.36192 0.34155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 -1.040 -0.465 0.000
C2 0.000 0.432 0.000
O3 1.169 0.199 0.000

Atom - Atom Distances (Å)
  F1 C2 O3
F11.37302.3066
C21.37301.1925
O32.30661.1925

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 127.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.221      
2 C 0.584      
3 O -0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.634 0.062 0.000 0.637
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.646 -0.498 0.000
y -0.498 -15.246 0.000
z 0.000 0.000 -14.079
Traceless
 xyz
x -2.983 -0.498 0.000
y -0.498 0.616 0.000
z 0.000 0.000 2.367
Polar
3z2-r24.735
x2-y2-2.400
xy-0.498
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.389 0.151 0.000
y 0.151 1.251 0.000
z 0.000 0.000 0.954


<r2> (average value of r2) Å2
<r2> 33.827
(<r2>)1/2 5.816