return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HNO (Nitrosyl hydride)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-129.814039
Energy at 298.15K-129.815165
Nuclear repulsion energy30.286427
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 LSDA/6-31+G**
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' 2713 2672 179.43      
2 A' 1675 1650 92.50      
3 A' 1500 1477 4.42      

Unscaled Zero Point Vibrational Energy (zpe) 2944.2 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 2900.0 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 LSDA/6-31+G**
ABC
18.02929 1.41783 1.31446

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.961 0.928 0.000
N2 0.064 0.581 0.000
O3 0.064 -0.624 0.000

Atom - Atom Distances (Å)
  H1 N2 O3
H11.08241.8601
N21.08241.2052
O31.86011.2052

picture of Nitrosyl hydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 O3 108.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.252      
2 N -0.247      
3 O -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.531 0.874 0.000 1.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.398 -1.549 0.000
y -1.549 -12.268 0.000
z 0.000 0.000 -10.714
Traceless
 xyz
x 0.093 -1.549 0.000
y -1.549 -1.212 0.000
z 0.000 0.000 1.119
Polar
3z2-r22.238
x2-y20.870
xy-1.549
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.005 -0.445 0.000
y -0.445 2.554 0.000
z 0.000 0.000 1.155


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000