Technetium
allotrope
Tc
The first element created artificially — never found in nature
← Allotrope of Technetium
Technetium was the first element to be artificially produced, filling a gap in the periodic table in 1937.
A crystalline allotrope of Technetium (space group P6_3/mmc), sourced from the Crystallography Open Database (COD 1541062).
Material
Gallery canvas set in a solid wood floating frame.
Frame
White
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See it on your wall
Shown true-to-size - a 8×10in piece scaled against real furniture.
Crystallography
| Catalogue identity | Technetium — P6₃/mmc |
| Formula | Tc |
| Crystal system | hexagonal |
| Space group | P6_3/mmc |
| Lattice (a, b, c) Å | 2.74, 2.74, 4.398 |
| Angles (α, β, γ) ° | 90, 90, 120 |
| Density (g/cm³) | 11.41849303720264 |
Structure data: Crystallography Open Database · Public domain (CC0)