AFLOW Prototype: A2B_oI12_72_j_a
Prototype | : | SiS2 |
AFLOW prototype label | : | A2B_oI12_72_j_a |
Strukturbericht designation | : | $C42$ |
Pearson symbol | : | oI12 |
Space group number | : | 72 |
Space group symbol | : | $\text{Ibam}$ |
AFLOW prototype command | : | aflow --proto=A2B_oI12_72_j_a --params=$a$,$b/a$,$c/a$,$x_{2}$,$y_{2}$ |
Basis vectors:
\[ \begin{array}{ccccccc} & & \text{Lattice Coordinates} & & \text{Cartesian Coordinates} &\text{Wyckoff Position} & \text{Atom Type} \\ \mathbf{B}_{1} & =& \frac14 \, \mathbf{a}_{1} + \frac14 \, \mathbf{a}_{2}& =& \frac14 \, c \, \mathbf{\hat{z}}& \left(4a\right) & \text{Si} \\ \mathbf{B}_{2} & =& \frac34 \, \mathbf{a}_{1} + \frac34 \, \mathbf{a}_{2}& =& \frac34 \, c \, \mathbf{\hat{z}}& \left(4a\right) & \text{Si} \\ \mathbf{B}_{3} & =&y_{2} \, \mathbf{a}_{1}+ x_{2} \, \mathbf{a}_{2}+ \left(x_{2} + y_{2}\right) \, \mathbf{a}_{3}& =&x_{2} \, a \, \mathbf{\hat{x}}+ y_{2} \, b \, \mathbf{\hat{y}}& \left(8j\right) & \text{S} \\ \mathbf{B}_{4} & =&- y_{2} \, \mathbf{a}_{1}- x_{2} \, \mathbf{a}_{2}- \left(x_{2} + y_{2}\right) \, \mathbf{a}_{3}& =&- x_{2} \, a \, \mathbf{\hat{x}}- y_{2} \, b \, \mathbf{\hat{y}}& \left(8j\right) & \text{S} \\ \mathbf{B}_{5} & =&\left(\frac12 + y_{2}\right) \, \mathbf{a}_{1}+ \left(\frac12 - x_{2}\right) \, \mathbf{a}_{2}+ \left( - x_{2} + y_{2}\right) \, \mathbf{a}_{3}& =&- x_{2} \, a \, \mathbf{\hat{x}}y_{2} \, b \, \mathbf{\hat{y}}+ \frac12 \, c \, \mathbf{\hat{z}}& \left(8j\right) & \text{S} \\ \mathbf{B}_{6} & =&\left(\frac12 - y_{2}\right) \, \mathbf{a}_{1}+ \left(\frac12 + x_{2}\right) \, \mathbf{a}_{2}+ \left(x_{2} - y_{2}\right) \, \mathbf{a}_{3}& =&x_{2} \, a \, \mathbf{\hat{x}}- y_{2} \, b \, \mathbf{\hat{y}}+ \frac12 \, c \, \mathbf{\hat{z}}& \left(8j\right) & \text{S} \\ \end{array} \]