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Liquid Hydrogen
CAS: 1333-74-0 | H2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
1333-74-0
Molecular Formula:
H2
Molecular Weight:
2.016 g/mol
Names and Synonyms:
Liquid Hydrogen
Synonym
Hydrogen
Synonym
Orthohydrogen
Synonym
Parahydrogen
Synonym
Hydrogen (H2)
Synonym
Hydrogen molecule
Synonym
Molecular hydrogen
Synonym
Mol. hydrogen
Synonym
Dihydrogen
Synonym
Hydrogen gas
Synonym
Hydrogen element
Synonym
Identifiers:
SMILES:
[HH]
InChI:
InChI=1S/H2/h1H
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
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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 |
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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
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 2.016 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 2.015650064 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 0 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 0 count | RDKit |
| Hydrogen Bond Donors | 0 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 | 0.0 Ų | RDKit |
Physical Properties
| Property | Value | Source |
|---|---|---|
| LogP | 0.246 | RDKit |
| molecular_mass | 2.02 g/mol | Legacy Database |
| density | 0.08 g/cm³ | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Liquid_hydrogen None | Legacy Database |
| cas-boiling-point | -252.77 °C None | Legacy Database |
| cas-canonical-smile | [H][H] None | Legacy Database |
| cas-density | 0.07631 g/cm3 None | Legacy Database |
| cas-inchi | InChI=1S/H2/h1H None | Legacy Database |
| cas-inchi-key | InChIKey=UFHFLCQGNIYNRP-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | -259.2 °C None | Legacy Database |
| cas-name | Hydrogen None | Legacy Database |
| wikipedia-name | Liquid hydrogen None | Legacy Database |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 2.114 | RDKit |