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

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-355.231102
Energy at 298.15K-355.235082
HF Energy-354.256311
Nuclear repulsion energy187.098813
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 CCD/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 3772 3638 48.95      
2 A 1873 1806 481.40      
3 A 1469 1417 71.31      
4 A 1403 1353 198.05      
5 A 1015 979 13.10      
6 A 857 826 156.07      
7 A 782 755 10.05      
8 A 713 688 10.48      
9 A 543 524 10.76      
10 A 387 373 38.94      
11 A 317 305 51.78      
12 A 132 127 11.68      

Unscaled Zero Point Vibrational Energy (zpe) 6630.9 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 6395.5 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 CCD/aug-cc-pVDZ
ABC
0.40398 0.15899 0.11560

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.600 0.077 0.000
O2 -0.576 -0.781 0.075
O3 -1.725 -0.002 -0.148
O4 1.594 -0.587 -0.026
O5 0.421 1.257 0.008
H6 -1.909 0.365 0.732

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.45772.33081.19571.19382.6295
O21.45771.40612.18112.27031.8772
O32.33081.40613.37232.49280.9711
O41.19572.18113.37232.18583.7086
O51.19382.27032.49282.18582.5981
H62.62951.87720.97113.70862.5981

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 108.943 O2 N1 O4 110.186
O2 N1 O5 117.441 O2 O3 H6 102.768
O4 N1 O5 132.346
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability