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

using model chemistry: MP2/aug-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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-355.544304
Energy at 298.15K-355.548115
HF Energy-354.332562
Nuclear repulsion energy184.990040
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 MP2/aug-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 3736 3560 52.59      
2 A 1912 1822 256.37      
3 A 1415 1348 60.20      
4 A 1305 1243 186.59      
5 A 973 927 38.95      
6 A 777 740 143.92      
7 A 730 696 6.45      
8 A 651 620 35.95      
9 A 428 408 90.22      
10 A 376 358 54.17      
11 A 314 299 6.90      
12 A 148 141 9.22      

Unscaled Zero Point Vibrational Energy (zpe) 6381.8 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 6081.2 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 MP2/aug-cc-pVTZ
ABC
0.39577 0.15456 0.11245

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.591 0.076 0.000
O2 -0.557 -0.764 0.083
O3 -1.722 -0.029 -0.148
O4 1.589 -0.586 -0.028
O5 0.408 1.260 0.005
H6 -1.885 0.415 0.699

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.42452.31951.19801.19872.5952
O21.42451.39622.15652.24391.8792
O32.31951.39623.35942.49450.9696
O41.19802.15653.35942.19183.6882
O51.19872.24392.49452.19182.5413
H62.59521.87920.96963.68822.5413

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 110.635 O2 N1 O4 110.340
O2 N1 O5 117.352 O2 O3 H6 103.714
O4 N1 O5 132.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability