Rh3P2 Structure: A2B3_tP5_115_g_ag
| Prototype | : | Rh3P2 |
| AFLOW prototype label | : | A2B3_tP5_115_g_ag |
| Strukturbericht designation | : | None |
| Pearson symbol | : | tP5 |
| Space group number | : | 115 |
| Space group symbol | : | $P\bar{4}m2$ |
| AFLOW prototype command | : | aflow --proto=A2B3_tP5_115_g_ag --params=$a,c/a,z_{2},z_{3}$ |
Simple Tetragonal primitive vectors:
\[
\begin{array}{ccc}
\mathbf{a}_1 & = & a \, \mathbf{\hat{x}} \\
\mathbf{a}_2 & = & a \, \mathbf{\hat{y}} \\
\mathbf{a}_3 & = & c \, \mathbf{\hat{z}} \\
\end{array}
\]
Basis vectors:
\[ \begin{array}{ccccccc} & & \mbox{Lattice Coordinates} & & \mbox{Cartesian Coordinates} &\mbox{Wyckoff Position} & \mbox{Atom Type} \\ \mathbf{B}_{1} & = & 0 \, \mathbf{a}_{1} + 0 \, \mathbf{a}_{2} + 0 \, \mathbf{a}_{3} & = & 0 \, \mathbf{\hat{x}} + 0 \, \mathbf{\hat{y}} + 0 \, \mathbf{\hat{z}} & \left(1a\right) & \mbox{Rh I} \\ \mathbf{B}_{2} & = & \frac{1}{2} \, \mathbf{a}_{2} + z_{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{y}} + z_{2}c \, \mathbf{\hat{z}} & \left(2g\right) & \mbox{P} \\ \mathbf{B}_{3} & = & \frac{1}{2} \, \mathbf{a}_{1}-z_{2} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{x}}-z_{2}c \, \mathbf{\hat{z}} & \left(2g\right) & \mbox{P} \\ \mathbf{B}_{4} & = & \frac{1}{2} \, \mathbf{a}_{2} + z_{3} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{y}} + z_{3}c \, \mathbf{\hat{z}} & \left(2g\right) & \mbox{Rh II} \\ \mathbf{B}_{5} & = & \frac{1}{2} \, \mathbf{a}_{1}-z_{3} \, \mathbf{a}_{3} & = & \frac{1}{2}a \, \mathbf{\hat{x}}-z_{3}c \, \mathbf{\hat{z}} & \left(2g\right) & \mbox{Rh II} \\ \end{array} \]References
- E. H. El Ghadraoui, R. Guerin, and M. Sergent, Diphosphure de trirhodium, Rh3P2: premier exemple d'une structure lacunaire ordonnée de type it anti–PbFCl, Acta Crystallogr. C 39, 1493–1494 (1983), doi:10.1107/S0108270183009002.
Found in
- P. Villars and K. Cenzual, Pearson's Crystal Data – Crystal Structure Database for Inorganic Compounds, ASM International (2013).