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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-355.168206
Energy at 298.15K-355.172137
HF Energy-354.220485
Nuclear repulsion energy186.697270
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/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 3766 3766 47.69      
2 A 1863 1863 400.75      
3 A 1462 1462 64.82      
4 A 1407 1407 207.00      
5 A 987 987 14.44      
6 A 853 853 135.69      
7 A 772 772 14.49      
8 A 693 693 11.23      
9 A 523 523 8.90      
10 A 384 384 34.25      
11 A 305 305 57.72      
12 A 137 137 12.87      

Unscaled Zero Point Vibrational Energy (zpe) 6575.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6575.8 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/cc-pVDZ
ABC
0.40250 0.15802 0.11502

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.607 0.078 -0.001
O2 -0.583 -0.783 0.083
O3 -1.730 -0.001 -0.152
O4 1.596 -0.590 -0.030
O5 0.424 1.257 0.010
H6 -1.895 0.388 0.724

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.47162.34351.19321.19342.6232
O21.47161.40812.19042.27681.8717
O32.34351.40813.37982.49980.9730
O41.19322.19043.37982.18753.7024
O51.19342.27682.49982.18752.5775
H62.62321.87170.97303.70242.5775

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 108.912 O2 N1 O4 110.129
O2 N1 O5 116.984 O2 O3 H6 102.088
O4 N1 O5 132.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability