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 NO (Nitric oxide)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-129.766625
Energy at 298.15K-129.766427
HF Energy-129.766625
Nuclear repulsion energy25.346132
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 PBEPBE/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 Σ 1897 1876 36.65      

Unscaled Zero Point Vibrational Energy (zpe) 948.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 937.9 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 PBEPBE/6-31+G**
B
1.65169

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.546
N2 0.000 0.000 -0.624

Atom - Atom Distances (Å)
  O1 N2
O11.1692
N21.1692

picture of Nitric oxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.161      
2 N -0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.178 0.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.026 0.000 0.000
y 0.000 -9.771 0.000
z 0.000 0.000 -11.587
Traceless
 xyz
x -0.347 0.000 0.000
y 0.000 1.535 0.000
z 0.000 0.000 -1.188
Polar
3z2-r2-2.376
x2-y2-1.255
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.205 0.000 0.000
y 0.000 1.035 0.000
z 0.000 0.000 2.228


<r2> (average value of r2) Å2
<r2> 11.845
(<r2>)1/2 3.442