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: Experimental > One molecule all properties

Experimental data for H2NO (nitroxide)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/H2NO/c1-2/h1H2 YLFIGGHWWPSIEG-UHFFFAOYSA-N [NH2]=O
State Conformation
2B1 C2V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for H2NO (nitroxide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
10.64180 1.13887 1.02909 1991Mik/Sai:3415

Calculated rotational constants for H2NO (nitroxide).
Product of moments of inertia moments of inertia
384.1027amu3Å6   1.75879533045264E-117gm3 cm6
Geometric Data
picture of nitroxide

Point Group


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for H2NO (nitroxide).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
N=O 1
H-N 2

Connectivity
Atom 1 Atom 2
N1 O2
N1 H3
N1 H4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2   2B1
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 2B1 C2v False           C2v 1 2
1 2 2A' Cs False           Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for H2NO (nitroxide).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 2B1 C2v False       C2v 1 2
1 2 2A' Cs False       Cs 2 3

Calculated electric quadrupole moments for H2NO (nitroxide).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
squib reference DOI
1991Mik/Sai:3415 H Mikami, S Saito, S Yamamoto "THE MICROWAVE-SPECTRUM OF THE DIHYDRONITROSYL RADICAL, H2NO (2B1)" J. Chem. Phys. 94(5) 3415-3422, 1991 10.1063/1.459764

Got a better number? Please email us at [email protected]


Browse
PreviousNext