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

using model chemistry: HF/CEP-31G

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-31G
 hartrees
Energy at 0K-97.181141
Energy at 298.15K-97.185471
Nuclear repulsion energy173.005732
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-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 A' 1606 1448 637.64      
2 A' 1409 1270 80.92      
3 A' 1308 1179 306.38      
4 A' 970 874 113.37      
5 A' 952 858 383.55      
6 A' 844 761 28.16      
7 A' 741 668 69.71      
8 A' 621 560 8.25      
9 A' 453 409 2.04      
10 A' 220 198 4.18      
11 A" 1623 1463 769.58      
12 A" 729 657 9.61      
13 A" 581 523 1.11      
14 A" 85 77 0.03      
15 A" 16 15 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 6079.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 5479.6 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 HF/CEP-31G
ABC
0.20563 0.06386 0.06326

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.829 0.080 0.000
N2 0.071 1.202 0.000
N3 -0.142 -1.190 0.000
O4 -0.530 2.263 0.000
O5 1.280 0.956 0.000
O6 0.071 -1.654 1.115
O7 0.071 -1.654 -1.115

Atom - Atom Distances (Å)
  O1 N2 N3 O4 O5 O6 O7
O11.43881.44392.20332.28422.24952.2495
N21.43882.40161.21901.23463.06663.0666
N31.44392.40163.47442.57391.22621.2262
O42.20331.21903.47442.23344.11694.1169
O52.28421.23462.57392.23343.08513.0851
O62.24953.06661.22624.11693.08512.2294
O72.24953.06661.22624.11693.08512.2294

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 111.727 O1 N2 O6 43.378
O1 N3 O5 61.980 O1 N3 O7 114.563
N2 O1 N3 112.838 O4 N2 O6 144.135
O5 N3 O7 102.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.047      
2 N 0.143      
3 N 0.088      
4 O -0.046      
5 O -0.063      
6 O -0.038      
7 O -0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.784 0.178 0.000 0.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.022 1.543 0.000
y 1.543 -44.079 0.000
z 0.000 0.000 -40.388
Traceless
 xyz
x 1.212 1.543 0.000
y 1.543 -3.374 0.000
z 0.000 0.000 2.162
Polar
3z2-r24.325
x2-y23.057
xy1.543
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.560 -1.120 0.000
y -1.120 6.910 0.000
z 0.000 0.000 5.243


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