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

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-355.303438
Energy at 298.15K-355.307210
HF Energy-354.245807
Nuclear repulsion energy184.040468
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/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 3700 3594        
2 A 1769 1718        
3 A 1416 1375        
4 A 1328 1290        
5 A 917 890        
6 A 795 772        
7 A 728 707        
8 A 638 620        
9 A 457 444        
10 A 365 355        
11 A 301 293        
12 A 132 128        

Unscaled Zero Point Vibrational Energy (zpe) 6273.4 cm-1
Scaled (by 0.9712) Zero Point Vibrational Energy (zpe) 6092.8 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/aug-cc-pVDZ
ABC
0.39142 0.15340 0.11162

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.622 0.082 -0.000
O2 -0.605 -0.804 0.067
O3 -1.752 0.017 -0.146
O4 1.617 -0.599 -0.023
O5 0.436 1.270 0.008
H6 -1.929 0.351 0.753

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.51452.37931.20541.20332.6738
O21.51451.42672.23262.32121.8862
O32.37931.42673.42662.52560.9752
O41.20542.23263.42662.21153.7521
O51.20332.32122.52562.21152.6444
H62.67381.88620.97523.75212.6444

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 107.949 O2 N1 O4 109.822
O2 N1 O5 116.850 O2 O3 H6 101.845
O4 N1 O5 133.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability