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

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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)=FULL/cc-pVTZ
 hartrees
Energy at 0K-355.619765
Energy at 298.15K-355.623638
HF Energy-354.333036
Nuclear repulsion energy186.527069
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)=FULL/cc-pVTZ
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 3769 3611        
2 A 1807 1731        
3 A 1443 1383        
4 A 1351 1294        
5 A 978 937        
6 A 826 791        
7 A 764 732        
8 A 675 646        
9 A 496 475        
10 A 371 355        
11 A 298 285        
12 A 139 133        

Unscaled Zero Point Vibrational Energy (zpe) 6458.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 6187.0 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 CCSD(T)=FULL/cc-pVTZ
ABC
0.40259 0.15743 0.11459

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.613 0.080 -0.001
O2 -0.590 -0.787 0.063
O3 -1.733 0.009 -0.141
O4 1.596 -0.592 -0.019
O5 0.428 1.256 0.005
H6 -1.899 0.355 0.747

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.48382.35051.19151.19062.6351
O21.48381.40692.19672.28341.8670
O32.35051.40693.38502.49940.9668
O41.19152.19673.38502.18643.7018
O51.19062.28342.49942.18642.6038
H62.63511.86700.96683.70182.6038

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 108.776 O2 N1 O4 109.912
O2 N1 O5 116.831 O2 O3 H6 102.123
O4 N1 O5 133.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability