AFLOW Prototype: A2B2C_tI10_139_d_e_a
Prototype | : | Cr2Si2Th |
AFLOW prototype label | : | A2B2C_tI10_139_d_e_a |
Strukturbericht designation | : | None |
Pearson symbol | : | tI10 |
Space group number | : | 139 |
Space group symbol | : | $I4/mmm$ |
AFLOW prototype command | : | aflow --proto=A2B2C_tI10_139_d_e_a --params=$a$,$c/a$,$z_{3}$ |
the perovskite of intermetallics.The list of compounds above is by no means complete.
Basis vectors:
\[ \begin{array}{ccccccc} & & \text{Lattice Coordinates} & & \text{Cartesian Coordinates} &\text{Wyckoff Position} & \text{Atom Type} \\ \mathbf{B}_{1} & = & 0 \, \mathbf{a}_{1} + 0 \, \mathbf{a}_{2} + 0 \, \mathbf{a}_{3} & = & 0 \, \mathbf{\hat{x}} + 0 \, \mathbf{\hat{y}} + 0 \, \mathbf{\hat{z}} & \left(2a\right) & \text{Th} \\ \mathbf{B}_{2} & = & \frac{3}{4} \, \mathbf{a}_{1} + \frac{1}{4} \, \mathbf{a}_{2} + \frac{1}{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{y}} + \frac{1}{4}c \, \mathbf{\hat{z}} & \left(4d\right) & \text{Cr} \\ \mathbf{B}_{3} & = & \frac{1}{4} \, \mathbf{a}_{1} + \frac{3}{4} \, \mathbf{a}_{2} + \frac{1}{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{x}} + \frac{1}{4}c \, \mathbf{\hat{z}} & \left(4d\right) & \text{Cr} \\ \mathbf{B}_{4} & = & z_{3} \, \mathbf{a}_{1} + z_{3} \, \mathbf{a}_{2} & = & z_{3}c \, \mathbf{\hat{z}} & \left(4e\right) & \text{Si} \\ \mathbf{B}_{5} & = & -z_{3} \, \mathbf{a}_{1}-z_{3} \, \mathbf{a}_{2} & = & -z_{3}c \, \mathbf{\hat{z}} & \left(4e\right) & \text{Si} \\ \end{array} \]perovskiteof intermetallics, J. Solid State Chem. 272, 198–209 (2019), doi:10.1016/j.jssc.2019.02.012.