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 N2O3 (Dinitrogen trioxide)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-334.993816
Energy at 298.15K-334.995982
Nuclear repulsion energy161.683004
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/6-31+G**
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' 1942 1869 433.87      
2 A' 1726 1661 400.95      
3 A' 1383 1331 255.86      
4 A' 806 776 38.58      
5 A' 658 633 22.63      
6 A' 285 274 26.69      
7 A' 213 205 0.41      
8 A" 460 443 7.97      
9 A" 135 130 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 3803.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 3661.9 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/6-31+G**
ABC
0.41059 0.14216 0.10560

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.697 -1.088 0.000
N2 0.000 0.638 0.000
O3 0.204 -1.795 0.000
O4 1.209 0.647 0.000
O5 -0.803 1.541 0.000

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5
N11.86161.14472.57722.6318
N21.86162.44111.20861.2087
O31.14472.44112.64023.4847
O42.57721.20862.64022.2014
O52.63181.20873.48472.2014

picture of Dinitrogen trioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O4 112.409 N1 N2 O5 116.390
N2 N1 O3 106.121 O4 N2 O5 131.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.089      
2 N -0.021      
3 O 0.240      
4 O -0.069      
5 O -0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.565 -2.312 0.000 2.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.072 0.922 -0.002
y 0.922 -28.168 -0.002
z -0.002 -0.002 -24.677
Traceless
 xyz
x -3.650 0.922 -0.002
y 0.922 -0.794 -0.002
z -0.002 -0.002 4.443
Polar
3z2-r28.887
x2-y2-1.904
xy0.922
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.288 -0.102 0.000
y -0.102 7.892 0.001
z 0.000 0.001 2.454


<r2> (average value of r2) Å2
<r2> 97.099
(<r2>)1/2 9.854