AFLOW Prototype: A_tP4_129_ac
Prototype | : | $\beta$–Np |
AFLOW prototype label | : | A_tP4_129_ac |
Strukturbericht designation | : | $A_{d}$ |
Pearson symbol | : | tP4 |
Space group number | : | 129 |
Space group symbol | : | $\text{P4/nmm}$ |
AFLOW prototype command | : | aflow --proto=A_tP4_129_ac --params=$a$,$c/a$,$z_{2}$ |
Basis vectors:
\[ \begin{array}{ccccccc} & & \text{Lattice Coordinates} & & \text{Cartesian Coordinates} &\text{Wyckoff Position} & \text{Atom Type} \\ \mathbf{B}_{1} & =&\frac34 \, \mathbf{a}_{1}+ \frac14 \, \mathbf{a}_{2}& =&\frac34 \, a \, \mathbf{\hat{x}}+ \frac14 \, a \, \mathbf{\hat{y}}& \left(2a\right) & \text{Np I} \\ \mathbf{B}_{2} & =&\frac14 \, \mathbf{a}_{1}+ \frac34 \, \mathbf{a}_{2}& =&\frac14 \, a \, \mathbf{\hat{x}}+ \frac34 \, a \, \mathbf{\hat{y}}& \left(2a\right) & \text{Np I} \\ \mathbf{B}_{3} & =&\frac14 \, \mathbf{a}_{1}+ \frac14 \, \mathbf{a}_{2}+ z_{2} \, \mathbf{a}_{3}& =&\frac14 \, a \, \mathbf{\hat{x}}+ \frac14 \, a \, \mathbf{\hat{y}}+ z_{2} \, c \, \mathbf{\hat{z}}& \left(2c\right) & \text{Np II} \\ \mathbf{B}_{4} & =&\frac34 \, \mathbf{a}_{1}+ \frac34 \, \mathbf{a}_{2}- z_{2} \, \mathbf{a}_{3}& =&\frac34 \, a \, \mathbf{\hat{x}}+ \frac34 \, a \, \mathbf{\hat{y}}- z_{2} \, c \, \mathbf{\hat{z}}& \left(2c\right) & \text{Np II} \\ \end{array} \]