Neptunium — P 4 21 2
Np
← Allotrope of Neptunium
A crystalline allotrope of Neptunium (space group P 4 21 2), sourced from the Crystallography Open Database (COD 9008586).
Medium
Gallery-wrapped canvas on a solid wood stretcher, 0.75″ deep — ready to hang.
$40.00
Secure checkout - payments powered by Stripe
Visa · Mastercard · American Express · Apple Pay · Google Pay
Crystallography
| Formula | Np |
| Crystal system | tetragonal |
| Space group | P 4 21 2 |
| Lattice (a, b, c) Å | 4.897, 4.897, 3.388 |
| Angles (α, β, γ) ° | 90, 90, 90 |
| Density (g/cm³) | 19.376 |
Structure data: Crystallography Open Database · Public domain (CC0)