H4C2NO2
Glycine · Aminoacetic acid, Gly
Glycine is the simplest amino acid and serves as a fundamental building block for proteins in living organisms. It acts as a neurotransmitter in the central nervous system and is widely utilized in the pharmaceutical and food industries.
Key Properties
Cross-validated computational properties for Glycine, 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.
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.
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.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for H4C2NO2, 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/m (No. 12) | monoclinic | 2.83 | 0.1636 | -6.333 | 1.38 |
| C2/m (No. 12) | Monoclinic | — | — | — | 1.38 |
| C2/m (No. 12) | Monoclinic | — | — | — | 1.42 |
| C2/m (No. 12) | Monoclinic | — | — | — | 1.39 |
| No. 0 | unknown | — | — | — | 0.41 |
| No. 0 | unknown | — | — | — | 0.20 |
Applications
Where Glycine is used.
Frequently Asked Questions
Common questions about Glycine, answered from cross-validated data.
What is H4C2NO2?
Glycine is the simplest amino acid and serves as a fundamental building block for proteins in living organisms. It acts as a neurotransmitter in the central nervous system and is widely utilized in the pharmaceutical and food industries.
What is H4C2NO2 used for?
What is the band gap of H4C2NO2?
Is H4C2NO2 a metal, semiconductor, or insulator?
Is H4C2NO2 thermodynamically stable?
What is the crystal structure of H4C2NO2?
What is the density of H4C2NO2?
How many polymorphs of H4C2NO2 are known?
What elements does H4C2NO2 contain?
Where does the data for H4C2NO2 come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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