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All results from a given calculation for HOONO2 (peroxy nitric acid)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-356.032374
Energy at 298.15K-356.036353
HF Energy-356.032374
Nuclear repulsion energy187.277372
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 wB97X-D/TZVP
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 3787 3617 53.32      
2 A 1840 1757 477.12      
3 A 1452 1387 64.22      
4 A 1393 1331 244.60      
5 A 1058 1011 27.36      
6 A 849 811 148.05      
7 A 764 730 11.66      
8 A 698 666 12.21      
9 A 509 486 16.71      
10 A 393 376 75.19      
11 A 338 323 26.83      
12 A 137 130 11.71      

Unscaled Zero Point Vibrational Energy (zpe) 6608.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 6311.5 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 wB97X-D/TZVP
ABC
0.40799 0.15748 0.11505

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.592 0.066 0.001
O2 -0.573 -0.739 0.093
O3 -1.731 -0.017 -0.154
O4 1.573 -0.604 -0.033
O5 0.453 1.249 0.008
H6 -1.921 0.425 0.685

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.41932.32961.18871.19082.6290
O21.41931.38722.15402.23891.8774
O32.32961.38723.35812.52910.9670
O41.18872.15403.35812.16563.7126
O51.19082.23892.52912.16562.6022
H62.62901.87740.96703.71262.6022

picture of peroxy nitric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 O3 112.203 O2 N1 O4 111.056
O2 N1 O5 117.867 O2 O3 H6 104.362
O4 N1 O5 131.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.273      
2 O -0.073      
3 O -0.217      
4 O -0.145      
5 O -0.135      
6 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.543 0.529 1.598 2.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.826 -0.878 -3.402
y -0.878 -29.955 0.664
z -3.402 0.664 -24.717
Traceless
 xyz
x 0.509 -0.878 -3.402
y -0.878 -4.183 0.664
z -3.402 0.664 3.674
Polar
3z2-r27.348
x2-y23.128
xy-0.878
xz-3.402
yz0.664


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.688 -0.543 -0.130
y -0.543 4.386 0.065
z -0.130 0.065 2.273


<r2> (average value of r2) Å2
<r2> 92.964
(<r2>)1/2 9.642