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

using model chemistry: CCSD(T)=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(T)=FULL/TZVP
 hartrees
Energy at 0K-355.450633
Energy at 298.15K-355.454399
HF Energy-354.311631
Nuclear repulsion energy184.385408
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(T)=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 3737 3573        
2 A 1764 1686        
3 A 1408 1346        
4 A 1319 1261        
5 A 950 908        
6 A 814 779        
7 A 704 673        
8 A 640 612        
9 A 462 442        
10 A 374 358        
11 A 305 292        
12 A 119 114        

Unscaled Zero Point Vibrational Energy (zpe) 6298.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 6020.8 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(T)=FULL/TZVP
ABC
0.39372 0.15296 0.11180

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.627 0.078 0.002
O2 -0.617 -0.789 0.102
O3 -1.752 0.017 -0.167
O4 1.607 -0.610 -0.042
O5 0.456 1.264 0.018
H6 -1.942 0.399 0.706

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.52002.38591.19751.19802.6830
O21.52001.41812.23552.31821.8795
O32.38591.41813.41882.54250.9715
O41.19752.23553.41882.19903.7642
O51.19802.31822.54252.19902.6406
H62.68301.87950.97153.76422.6406

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 108.546 O2 N1 O4 110.134
O2 N1 O5 116.566 O2 O3 H6 102.104
O4 N1 O5 133.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability