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Molecule
Hydrogen Selenide
CAS: 7783-07-5 · H2Se
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7783-07-5
- Molecular Formula
- H2Se
- Molecular Mass
- 80.98 g/mol
Identifiers
CAS Registry Number
7783-07-5
SMILES
[SeH2]
InChI Key
SPVXKVOXSXTJOY-UHFFFAOYSA-N
InChI
InChI=1S/H2Se/h1H2
Names and Synonyms
- Hydrogen Selenide Common Name
- Hydrogen selenide (H2Se) Synonym
- Selenium hydride Synonym
- Selane Synonym
- Dihydrogen selenide Synonym
- Selenium dihydride Synonym
- Dihydrogen monoselenide Synonym
- Hydrogen selenide Synonym
- NSC 605850 Synonym
- NSC 605851 Synonym
- NSC 605852 Synonym
- Selenium hydride (SeH2) Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 80.98 g/mol | CAS Common Chemistry |
| 81.932171364 g/mol | RDKit | |
| 80.976 g/mol | RDKit | |
| Density | 2.12 g/cm³ | CAS Common Chemistry |
| 2.12 g/cm3 @ -42 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Hydrogen_selenide | CAS Common Chemistry |
| Boiling Point | -41.3 °C | CAS Common Chemistry |
| Canonical SMILES | [SeH2] | CAS Common Chemistry |
| InChI | InChI=1S/H2Se/h1H2 | CAS Common Chemistry |
| InChI Key | InChIKey=SPVXKVOXSXTJOY-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -65.73 °C | CAS Common Chemistry |
| Name | Hydrogen selenide | CAS Common Chemistry |
| Heavy Atom Count | 1 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 0.0 Ų | RDKit |
| LogP | -0.9162000000000001 | RDKit |
| -0.9162 | RDKit | |
| Molar Refractivity | 8.543999999999999 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 80.976 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
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.
External Resources
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MW = 80.98 g/mol; density = 2.120 g/mL. Edit any field — others recompute live.
