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

using model chemistry: B1B95/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 B1B95/TZVP
 hartrees
Energy at 0K-356.041438
Energy at 298.15K-356.045373
HF Energy-356.041438
Nuclear repulsion energy187.267960
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 B1B95/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 3761 3599 54.97      
2 A 1855 1775 462.13      
3 A 1436 1374 67.14      
4 A 1394 1334 235.79      
5 A 1037 992 35.12      
6 A 841 804 137.53      
7 A 761 728 11.34      
8 A 685 656 12.99      
9 A 488 467 19.13      
10 A 380 364 75.14      
11 A 322 308 23.13      
12 A 146 140 12.17      

Unscaled Zero Point Vibrational Energy (zpe) 6552.7 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 6270.2 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 B1B95/TZVP
ABC
0.40846 0.15748 0.11507

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.619 0.077 0.001
O2 -0.609 -0.773 0.056
O3 -1.725 0.023 -0.140
O4 1.586 -0.602 -0.016
O5 0.449 1.246 0.005
H6 -1.951 0.315 0.755

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.49392.34861.18171.18112.6889
O21.49391.38452.20212.27941.8637
O32.34861.38453.37132.49850.9675
O41.18172.20213.37132.16973.7344
O51.18112.27942.49852.16972.6816
H62.68891.86370.96753.73442.6816

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 109.305 O2 N1 O4 110.238
O2 N1 O5 116.392 O2 O3 H6 103.393
O4 N1 O5 133.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.250      
2 O -0.082      
3 O -0.216      
4 O -0.131      
5 O -0.118      
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
  -1.455 0.545 1.595 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.802 -0.840 -3.395
y -0.840 -29.895 0.649
z -3.395 0.649 -24.722
Traceless
 xyz
x 0.507 -0.840 -3.395
y -0.840 -4.132 0.649
z -3.395 0.649 3.626
Polar
3z2-r27.251
x2-y23.093
xy-0.840
xz-3.395
yz0.649


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.739 -0.525 -0.135
y -0.525 4.354 0.063
z -0.135 0.063 2.263


<r2> (average value of r2) Å2
<r2> 92.925
(<r2>)1/2 9.640