SnH4
Stannane · Tin tetrahydride
Stannane is a volatile, unstable inorganic compound consisting of tin and hydrogen. It is primarily utilized in the semiconductor industry as a precursor for the chemical vapor deposition of tin-containing thin films.
HSn
Overview
Key Properties
Cross-validated computational properties for Stannane, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
5.44 eV
Range across DFT structures
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
0.119 eV/atom
Best (lowest) across sources
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
Above hull
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
27
3 databases, 11 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for SnH4, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 5.44 | 0.1193 | -7.594 | 2.24 |
| Cmcm (No. 63) | orthorhombic | 0.00 | 0.1935 | -7.520 | 3.12 |
| P21/m (No. 11) | monoclinic | 0.00 | 0.1994 | -7.514 | 3.49 |
| Ama2 (No. 40) | orthorhombic | 0.00 | 0.3896 | -7.324 | 3.75 |
| P63/mmc (No. 194) | hexagonal | 0.00 | 0.5226 | -7.191 | 4.64 |
| Immm (No. 71) | Orthorhombic | — | — | — | 8.61 |
| I4/mmm (No. 139) | Tetragonal | — | — | — | 3.00 |
| Fmmm (No. 69) | Orthorhombic | — | — | — | 3.00 |
| P21/m (No. 11) | Monoclinic | — | — | — | 3.52 |
| P21/m (No. 11) | Monoclinic | — | — | — | 3.50 |
| P21/m (No. 11) | Monoclinic | — | — | — | 3.49 |
| C2/m (No. 12) | Monoclinic | — | — | — | 5.47 |
Uses
Applications
Where Stannane is used.
Semiconductor manufacturingChemical vapor depositionDoping of electronic materials
Reference
Frequently Asked Questions
Common questions about Stannane, answered from cross-validated data.
What is SnH4?
Stannane is a volatile, unstable inorganic compound consisting of tin and hydrogen. It is primarily utilized in the semiconductor industry as a precursor for the chemical vapor deposition of tin-containing thin films.
More questions
What is SnH4 used for?
Stannane (SnH4) is used in semiconductor manufacturing, chemical vapor deposition, and doping of electronic materials.
What is the band gap of SnH4?
Stannane (SnH4) has a DFT-computed band gap of 5.44 eV across 27 reported structures.
Is SnH4 a metal, semiconductor, or insulator?
With a wide band gap up to 5.44 eV it is an insulator / wide-band-gap material.
Is SnH4 thermodynamically stable?
Stannane (SnH4) has a lowest energy above hull of 0.119 eV/atom (above hull).
What is the crystal structure of SnH4?
The lowest-energy reported polymorph of Stannane (SnH4) is monoclinic symmetry, space group C2/c (No. 15).
What is the density of SnH4?
The computed density of the ground-state structure of Stannane (SnH4) is 2.24 g/cm³.
How many polymorphs of SnH4 are known?
27 structures of SnH4 are reported across 3 databases, spanning 11 distinct space groups.
What elements does SnH4 contain?
Stannane (SnH4) contains H and Sn (2 elements).
Where does the data for SnH4 come from?
SnH4 data is cross-referenced from materials_project, mpaloe.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
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