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 F2O (Difluorine monoxide)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-274.588165
Energy at 298.15K-274.589027
HF Energy-274.588165
Nuclear repulsion energy74.309027
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 wB97X-D/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1048 998 12.98      
2 A1 497 473 0.92      
3 B2 938 893 107.62      

Unscaled Zero Point Vibrational Energy (zpe) 1241.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 1182.1 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 wB97X-D/6-31+G**
ABC
2.03130 0.36967 0.31275

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.581
F2 0.000 1.101 -0.258
F3 0.000 -1.101 -0.258

Atom - Atom Distances (Å)
  O1 F2 F3
O11.38421.3842
F21.38422.2021
F31.38422.2021

picture of Difluorine monoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 O1 F3 105.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.097      
2 F -0.048      
3 F -0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.324 0.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.084 0.000 0.000
y 0.000 -14.861 0.000
z 0.000 0.000 -14.446
Traceless
 xyz
x -0.431 0.000 0.000
y 0.000 -0.096 0.000
z 0.000 0.000 0.527
Polar
3z2-r21.054
x2-y2-0.224
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.097 0.000 0.000
y 0.000 2.695 0.000
z 0.000 0.000 1.649


<r2> (average value of r2) Å2
<r2> 34.928
(<r2>)1/2 5.910