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 N3 (azide radical)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 2Πg
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-163.989238
Energy at 298.15K-163.990368
HF Energy-163.989238
Nuclear repulsion energy54.226524
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1329 1321 0.00      
2 Σu 1774 1764 102.75      
3 Πu 571 567 4.66      
3 Πu 465 463 12.57      

Unscaled Zero Point Vibrational Energy (zpe) 2069.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2057.3 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 PBEPBE/cc-pVDZ
B
0.42120

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
N2 0.000 0.000 1.195
N3 0.000 0.000 -1.195

Atom - Atom Distances (Å)
  N1 N2 N3
N11.19541.1954
N21.19542.3909
N31.19542.3909

picture of azide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 N1 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.258      
2 N -0.129      
3 N -0.129      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.623 0.000 0.000
y 0.000 -15.936 0.000
z 0.000 0.000 -19.538
Traceless
 xyz
x 3.114 0.000 0.000
y 0.000 1.145 0.000
z 0.000 0.000 -4.259
Polar
3z2-r2-8.517
x2-y21.313
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.345 0.000 0.000
y 0.000 1.152 0.000
z 0.000 0.000 4.849


<r2> (average value of r2) Å2
<r2> 30.437
(<r2>)1/2 5.517