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: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-302.907086
Energy at 298.15K-302.909151
HF Energy-302.907086
Nuclear repulsion energy116.993744
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 PBEPBEultrafine/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 A1 1144 1134 172.41      
2 A1 824 817 86.96      
3 A1 566 561 0.75      
4 B1 653 647 7.64      
5 B2 1486 1473 165.33      
6 B2 477 473 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 2575.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 2551.6 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 PBEPBEultrafine/3-21G
ABC
0.39853 0.34430 0.18472

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.193
F2 0.000 0.000 1.340
O3 0.000 1.150 -0.669
O4 0.000 -1.150 -0.669

Atom - Atom Distances (Å)
  N1 F2 O3 O4
N11.53341.24471.2447
F21.53342.31552.3155
O31.24472.31552.2998
O41.24472.31552.2998

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 112.503 F2 N1 O4 112.503
O3 N1 O4 134.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.526      
2 F -0.127      
3 O -0.199      
4 O -0.199      


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 -0.307 0.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.913 0.000 0.000
y 0.000 -22.055 0.000
z 0.000 0.000 -21.016
Traceless
 xyz
x 2.623 0.000 0.000
y 0.000 -2.091 0.000
z 0.000 0.000 -0.532
Polar
3z2-r2-1.064
x2-y23.142
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.623 0.000 0.000
y 0.000 3.164 0.000
z 0.000 0.000 2.607


<r2> (average value of r2) Å2
<r2> 57.662
(<r2>)1/2 7.594