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

using model chemistry: CCD/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 CCD/TZVP
 hartrees
Energy at 0K-355.299538
Energy at 298.15K-355.303510
HF Energy-354.321573
Nuclear repulsion energy187.510632
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/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 3809 3611 45.27      
2 A 1872 1774 509.00      
3 A 1462 1386 67.45      
4 A 1395 1323 213.24      
5 A 1045 990 11.61      
6 A 875 830 165.58      
7 A 766 726 9.01      
8 A 706 669 13.76      
9 A 544 516 9.72      
10 A 394 373 54.01      
11 A 324 307 49.33      
12 A 121 115 10.91      

Unscaled Zero Point Vibrational Energy (zpe) 6656.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 6310.0 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/TZVP
ABC
0.40631 0.15873 0.11596

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.605 0.074 0.003
O2 -0.588 -0.768 0.113
O3 -1.724 -0.001 -0.172
O4 1.583 -0.596 -0.048
O5 0.440 1.250 0.019
H6 -1.926 0.409 0.680

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.46382.33601.18671.18722.6412
O21.46381.39962.18312.26621.8703
O32.33601.39963.36162.50650.9671
O41.18672.18313.36162.17193.7219
O51.18722.26622.50652.17192.5969
H62.64121.87030.96713.72192.5969

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 109.315 O2 N1 O4 110.473
O2 N1 O5 117.104 O2 O3 H6 102.887
O4 N1 O5 132.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability