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All results from a given calculation for HNO3 (Nitric acid)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-279.818659
Energy at 298.15K 
HF Energy-279.261304
Nuclear repulsion energy120.328035
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 MP2=FULL/6-31G
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' 3524 3348 48.13 65.54 0.32 0.48
2 A' 1829 1737 56.82 27.92 0.75 0.86
3 A' 1314 1248 48.96 13.05 0.73 0.84
4 A' 1187 1128 211.88 21.72 0.31 0.47
5 A' 790 750 201.01 6.73 0.17 0.30
6 A' 579 550 48.68 12.48 0.48 0.65
7 A' 522 496 6.27 5.85 0.71 0.83
8 A" 681 647 2.31 0.13 0.75 0.86
9 A" 423 402 189.32 5.80 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5423.6 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 5152.9 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 MP2=FULL/6-31G
ABC
0.39541 0.36333 0.18935

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.168 0.000
O2 -0.228 -1.310 0.000
O3 1.205 0.542 0.000
O4 -1.063 0.831 0.000
H5 0.692 -1.680 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.49571.26191.25331.9731
O21.49572.34212.29840.9919
O31.26192.34212.28712.2802
O41.25332.29842.28713.0638
H51.97310.99192.28023.0638

picture of Nitric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H5 103.097 O2 N1 O3 116.018
O2 N1 O4 113.164 O3 N1 O4 130.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability