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

using model chemistry: MP4=FULL/aug-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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-355.321031
Energy at 298.15K-355.324658
HF Energy-354.232430
Nuclear repulsion energy181.278055
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 MP4=FULL/aug-cc-pVDZ
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 3693 3602        
2 A 1805 1761        
3 A 1388 1354        
4 A 1277 1246        
5 A 890 868        
6 A 742 724        
7 A 689 672        
8 A 594 579        
9 A 394 384        
10 A 348 340        
11 A 287 279        
12 A 145 141        

Unscaled Zero Point Vibrational Energy (zpe) 6125.8 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 5973.9 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 MP4=FULL/aug-cc-pVDZ
ABC
0.38001 0.14815 0.10780

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.655 0.089 0.001
O2 -0.654 -0.825 0.029
O3 -1.767 0.052 -0.126
O4 1.637 -0.620 -0.004
O5 0.457 1.280 0.000
H6 -1.975 0.275 0.801

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.59732.42551.21121.20782.7553
O21.59731.42482.30112.38071.8838
O32.42551.42483.47182.54320.9754
O41.21122.30113.47182.23723.8072
O51.20782.38072.54322.23722.7501
H62.75531.88380.97543.80722.7501

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 106.614 O2 N1 O4 109.267
O2 N1 O5 115.441 O2 O3 H6 101.768
O4 N1 O5 135.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability