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

using model chemistry: CCSD=FULL/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 CCSD=FULL/TZVP
 hartrees
Energy at 0K-355.402502
Energy at 298.15K-355.406432
HF Energy-354.319608
Nuclear repulsion energy186.783455
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=FULL/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 3781 3583 44.86      
2 A 1802 1708 486.10      
3 A 1449 1372 62.41      
4 A 1373 1301 216.33      
5 A 1014 961 12.54      
6 A 866 820 142.99      
7 A 753 713 8.97      
8 A 692 656 11.14      
9 A 531 503 6.82      
10 A 387 367 53.59      
11 A 317 300 47.48      
12 A 122 116 11.08      

Unscaled Zero Point Vibrational Energy (zpe) 6542.8 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 6199.3 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=FULL/TZVP
ABC
0.40338 0.15745 0.11502

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.608 0.074 0.003
O2 -0.591 -0.773 0.111
O3 -1.731 0.001 -0.170
O4 1.589 -0.598 -0.046
O5 0.442 1.254 0.018
H6 -1.923 0.411 0.686

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.47242.34691.19011.19092.6437
O21.47241.40622.19282.27621.8726
O32.34691.40623.37602.51510.9686
O41.19012.19283.37602.17903.7270
O51.19092.27622.51512.17902.5981
H62.64371.87260.96863.72702.5981

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 109.216 O2 N1 O4 110.444
O2 N1 O5 117.054 O2 O3 H6 102.532
O4 N1 O5 132.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability