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: CCSD/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 CCSD/SDD
 hartrees
Energy at 0K-129.424293
Energy at 298.15K-129.424091
HF Energy-129.202846
Nuclear repulsion energy24.304454
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 CCSD/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 1639 1545 30.96      

Unscaled Zero Point Vibrational Energy (zpe) 819.2 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 772.6 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 CCSD/SDD
B
1.51872

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.569
N2 0.000 0.000 -0.650

Atom - Atom Distances (Å)
  O1 N2
O11.2193
N21.2193

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