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Nitrous Acid
CAS: 7782-77-6 | HNO2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7782-77-6
Molecular Formula:
HNO2
Molecular Weight:
47.013000000000005 g/mol
Names and Synonyms:
Nitrous Acid
Common Name
Nitrous acid (HNO2)
Synonym
Nitrosyl hydroxide
Synonym
Nitrous acid
Synonym
Identifiers:
SMILES:
O=NO
InChI:
InChI=1S/HNO2/c2-1-3/h(H,2,3)
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
Physical Properties
| Property | Value | Source |
|---|---|---|
| molecular_mass | 47.01 g/mol | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Nitrous_acid None | Legacy Database |
| cas-canonical-smile | O=NO None | Legacy Database |
| cas-inchi | InChI=1S/HNO2/c2-1-3/h(H,2,3) None | Legacy Database |
| cas-inchi-key | InChIKey=IOVCWXUNBOPUCH-UHFFFAOYSA-N None | Legacy Database |
| cas-name | Nitrous acid None | Legacy Database |
| wikipedia-name | Nitrous acid None | Legacy Database |
| LogP | 0.14200000000000002 | RDKit |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 47.013000000000005 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 47.000728272 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 3 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 2 count | RDKit |
| Hydrogen Bond Donors | 1 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 0 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 0 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 49.66 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 7.5815 | RDKit |