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

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-355.196093
Energy at 298.15K-355.199871
HF Energy-354.212769
Nuclear repulsion energy184.448479
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 CCSD(T)/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3729 3650        
2 A 1821 1782        
3 A 1426 1396        
4 A 1356 1327        
5 A 929 910        
6 A 807 790        
7 A 727 712        
8 A 640 626        
9 A 451 441        
10 A 369 362        
11 A 301 295        
12 A 134 131        

Unscaled Zero Point Vibrational Energy (zpe) 6345.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 6210.9 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 CCSD(T)/cc-pVDZ
ABC
0.39315 0.15391 0.11205

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.625 0.081 -0.001
O2 -0.609 -0.800 0.073
O3 -1.748 0.016 -0.149
O4 1.612 -0.600 -0.025
O5 0.437 1.267 0.009
H6 -1.911 0.372 0.745

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.51832.37771.20041.20012.6591
O21.51831.41842.23282.31741.8763
O32.37771.41843.41832.52190.9755
O41.20042.23283.41832.20643.7355
O51.20012.31742.52192.20642.6181
H62.65911.87630.97553.73552.6181

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 108.078 O2 N1 O4 109.875
O2 N1 O5 116.481 O2 O3 H6 101.612
O4 N1 O5 133.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability