return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for NO (Nitric oxide)

using model chemistry: QCISD(T)/SDD

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 QCISD(T)/SDD
 hartrees
Energy at 0K-129.431971
Energy at 298.15K-129.431769
HF Energy-129.202783
Nuclear repulsion energy24.251820
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 QCISD(T)/SDD
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 1649 1573        

Unscaled Zero Point Vibrational Energy (zpe) 824.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 786.5 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 QCISD(T)/SDD
B
1.51291

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.570
N2 0.000 0.000 -0.652

Atom - Atom Distances (Å)
  O1 N2
O11.2216
N21.2216

picture of Nitric oxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability