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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-57.034139
Energy at 298.15K 
HF Energy-57.034139
Nuclear repulsion energy70.207608
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 HF/CEP-121G
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' 3930 3586 151.05 37.55 0.32 0.48
2 A' 1750 1596 378.66 5.92 0.42 0.60
3 A' 1426 1301 319.05 6.20 0.36 0.53
4 A' 1368 1248 333.09 1.63 0.30 0.46
5 A' 1038 947 68.03 22.86 0.13 0.22
6 A' 693 633 11.57 6.26 0.63 0.77
7 A' 607 554 15.54 4.08 0.70 0.82
8 A" 773 705 15.74 0.60 0.75 0.86
9 A" 503 459 233.82 1.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6042.9 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 5514.1 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 HF/CEP-121G
ABC
0.42100 0.40130 0.20546

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.130 0.000
O2 -0.339 -1.202 0.000
O3 1.221 0.394 0.000
O4 -0.942 0.909 0.000
H5 0.477 -1.712 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.37471.24901.22211.9032
O21.37472.23162.19560.9621
O31.24902.23162.22312.2339
O41.22212.19562.22312.9806
H51.90320.96212.23392.9806

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 107.762 O2 N1 O3 116.464
O2 N1 O4 115.326 O3 N1 O4 128.210
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.273      
2 O -0.325      
3 O -0.228      
4 O -0.140      
5 H 0.419      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.026 -3.026 0.000 3.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.802 -2.838 0.000
y -2.838 -20.502 0.000
z 0.000 0.000 -21.378
Traceless
 xyz
x -5.861 -2.838 0.000
y -2.838 3.588 0.000
z 0.000 0.000 2.273
Polar
3z2-r24.547
x2-y2-6.300
xy-2.838
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.460 -0.576 0.000
y -0.576 3.291 0.000
z 0.000 0.000 1.193


<r2> (average value of r2) Å2
<r2> 47.057
(<r2>)1/2 6.860