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All results from a given calculation for N2O5 (Dinitrogen pentoxide)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-97.482323
Energy at 298.15K-97.487012
Nuclear repulsion energy179.380873
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 HF/CEP-121G*
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' 1898 1715 816.64      
2 A' 1586 1433 77.66      
3 A' 1463 1321 411.03      
4 A' 1071 967 39.87      
5 A' 1009 912 570.51      
6 A' 950 858 22.84      
7 A' 829 749 61.99      
8 A' 694 627 9.97      
9 A' 496 448 3.01      
10 A' 248 224 3.18      
11 A" 1915 1730 853.12      
12 A" 845 763 18.79      
13 A" 649 586 0.12      
14 A" 101 91 0.26      
15 A" 30 27 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 6890.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 6225.0 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 HF/CEP-121G*
ABC
0.22140 0.06866 0.06807

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.811 0.085 0.000
N2 0.071 1.161 0.000
N3 -0.131 -1.157 0.000
O4 -0.505 2.186 0.000
O5 1.227 0.909 0.000
O6 0.071 -1.592 1.076
O7 0.071 -1.592 -1.076

Atom - Atom Distances (Å)
  O1 N2 N3 O4 O5 O6 O7
O11.39111.41632.12332.19792.17882.1788
N21.39112.32731.17551.18342.95612.9561
N31.41632.32733.36442.47221.17761.1776
O42.12331.17553.36442.15193.97043.9704
O52.19791.18342.47222.15192.95782.9578
O62.17882.95611.17763.97042.95782.1513
O72.17882.95611.17763.97042.95782.1513

picture of Dinitrogen pentoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 O4 111.363 O1 N2 O6 43.898
O1 N3 O5 62.003 O1 N3 O7 113.957
N2 O1 N3 111.984 O4 N2 O6 144.307
O5 N3 O7 102.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.218      
2 N 0.729      
3 N 0.674      
4 O -0.306      
5 O -0.320      
6 O -0.280      
7 O -0.280      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.751 -0.014 0.000 0.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.672 1.363 0.000
y 1.363 -41.750 0.000
z 0.000 0.000 -38.385
Traceless
 xyz
x 1.395 1.363 0.000
y 1.363 -3.221 0.000
z 0.000 0.000 1.826
Polar
3z2-r23.652
x2-y23.077
xy1.363
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.393 -0.828 0.000
y -0.828 6.319 0.000
z 0.000 0.000 4.915


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000