$\gamma$–Fe4N ($L'1_{0}$) Structure : A4B_cP5_221_bc_a
| Prototype | : | Fe4N |
| AFLOW prototype label | : | A4B_cP5_221_bc_a |
| Strukturbericht designation | : | $L'1_{0}$ |
| Pearson symbol | : | cP5 |
| Space group number | : | 221 |
| Space group symbol | : | $Pm\bar{3}m$ |
| AFLOW prototype command | : | aflow --proto=A4B_cP5_221_bc_a --params=$a$ |
- This is a two–component form of the cubic perovskite structure (AB3C_cP5_221_a_c_b), Strukturbericht designation $E2_{1}$.
Simple Cubic primitive vectors:
\[ \begin{array}{ccc} \mathbf{a}_1 & = & a \, \mathbf{\hat{x}} \\ \mathbf{a}_2 & = & a \, \mathbf{\hat{y}} \\ \mathbf{a}_3 & = & a \, \mathbf{\hat{z}} \\ \end{array} \]
Basis vectors:
\[ \begin{array}{ccccccc} & & \text{Lattice Coordinates} & & \text{Cartesian Coordinates} &\text{Wyckoff Position} & \text{Atom Type} \\ \mathbf{B}_{1} & = & 0 \, \mathbf{a}_{1} + 0 \, \mathbf{a}_{2} + 0 \, \mathbf{a}_{3} & = & 0 \, \mathbf{\hat{x}} + 0 \, \mathbf{\hat{y}} + 0 \, \mathbf{\hat{z}} & \left(1a\right) & \text{N} \\ \mathbf{B}_{2} & = & \frac{1}{2} \, \mathbf{a}_{1} + \frac{1}{2} \, \mathbf{a}_{2} + \frac{1}{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{x}} + \frac{1}{2}a \, \mathbf{\hat{y}} + \frac{1}{2}a \, \mathbf{\hat{z}} & \left(1b\right) & \text{Fe I} \\ \mathbf{B}_{3} & = & \frac{1}{2} \, \mathbf{a}_{2} + \frac{1}{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{y}} + \frac{1}{2}a \, \mathbf{\hat{z}} & \left(3c\right) & \text{Fe II} \\ \mathbf{B}_{4} & = & \frac{1}{2} \, \mathbf{a}_{1} + \frac{1}{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{x}} + \frac{1}{2}a \, \mathbf{\hat{z}} & \left(3c\right) & \text{Fe II} \\ \mathbf{B}_{5} & = & \frac{1}{2} \, \mathbf{a}_{1} + \frac{1}{2} \, \mathbf{a}_{2} & = & \frac{1}{2}a \, \mathbf{\hat{x}} + \frac{1}{2}a \, \mathbf{\hat{y}} & \left(3c\right) & \text{Fe II} \\ \end{array} \]References
- H. Jacobs, R. Rechenbach, and U. Zachwieja, Structure determination of $\gamma'$–Fe4N and $\epsilon$–Fe3N, J. Alloys\ Compd. 227, 10–17 (1995), doi:10.1016/0925-8388(95)01610-4.