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 FNO2 (Nitryl fluoride)

using model chemistry: B3LYPultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-304.879857
Energy at 298.15K-304.882091
HF Energy-304.879857
Nuclear repulsion energy122.695894
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 B3LYPultrafine/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 A1 1391 1336 188.39      
2 A1 867 833 215.37      
3 A1 605 581 28.14      
4 B1 754 724 14.79      
5 B2 1880 1806 428.24      
6 B2 567 544 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 3031.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 2912.6 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 B3LYPultrafine/6-31G**
ABC
0.43701 0.38015 0.20330

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.182
F2 0.000 0.000 1.275
O3 0.000 1.098 -0.638
O4 0.000 -1.098 -0.638

Atom - Atom Distances (Å)
  N1 F2 O3 O4
N11.45751.18881.1888
F21.45752.20572.2057
O31.18882.20572.1962
O41.18882.20572.1962

picture of Nitryl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 N1 O3 112.528 F2 N1 O4 112.528
O3 N1 O4 134.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.794      
2 F -0.228      
3 O -0.283      
4 O -0.283      


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 -0.134 0.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.900 0.000 0.000
y 0.000 -22.162 0.000
z 0.000 0.000 -21.286
Traceless
 xyz
x 2.824 0.000 0.000
y 0.000 -2.069 0.000
z 0.000 0.000 -0.755
Polar
3z2-r2-1.510
x2-y23.262
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.200 0.000 0.000
y 0.000 3.415 0.000
z 0.000 0.000 2.745


<r2> (average value of r2) Å2
<r2> 53.649
(<r2>)1/2 7.325