Rh$_{3}$P$_{2}$ Structure: A2B3_tP5_115_g_ag-001
| Prototype | P$_{2}$Rh$_{3}$ |
| AFLOW prototype label | A2B3_tP5_115_g_ag-001 |
| ICSD | 35626 |
| Pearson symbol | tP5 |
| Space group number | 115 |
| Space group symbol | $P\overline{4}m2$ |
| AFLOW prototype command |
aflow --proto=A2B3_tP5_115_g_ag-001
--params=$a, \allowbreak c/a, \allowbreak z_{2}, \allowbreak z_{3}$ |
\[ \begin{array}{ccc}
\mathbf{a_{1}}&=&a \,\mathbf{\hat{x}}\\\mathbf{a_{2}}&=&a \,\mathbf{\hat{y}}\\\mathbf{a_{3}}&=&c \,\mathbf{\hat{z}}
\end{array}\]
Basis vectors
| Lattice coordinates | Cartesian coordinates | Wyckoff position | Atom type | |||
|---|---|---|---|---|---|---|
| $\mathbf{B_{1}}$ | = | $0$ | = | $0$ | (1a) | Rh I |
| $\mathbf{B_{2}}$ | = | $\frac{1}{2} \, \mathbf{a}_{2}+z_{2} \, \mathbf{a}_{3}$ | = | $\frac{1}{2}a \,\mathbf{\hat{y}}+c z_{2} \,\mathbf{\hat{z}}$ | (2g) | P I |
| $\mathbf{B_{3}}$ | = | $\frac{1}{2} \, \mathbf{a}_{1}- z_{2} \, \mathbf{a}_{3}$ | = | $\frac{1}{2}a \,\mathbf{\hat{x}}- c z_{2} \,\mathbf{\hat{z}}$ | (2g) | P I |
| $\mathbf{B_{4}}$ | = | $\frac{1}{2} \, \mathbf{a}_{2}+z_{3} \, \mathbf{a}_{3}$ | = | $\frac{1}{2}a \,\mathbf{\hat{y}}+c z_{3} \,\mathbf{\hat{z}}$ | (2g) | Rh II |
| $\mathbf{B_{5}}$ | = | $\frac{1}{2} \, \mathbf{a}_{1}- z_{3} \, \mathbf{a}_{3}$ | = | $\frac{1}{2}a \,\mathbf{\hat{x}}- c z_{3} \,\mathbf{\hat{z}}$ | (2g) | Rh II |
References
- E. H. E. Ghadraoui, R. Guerin, and M. Sergent, Diphosphure de trirhodium, Rh$_{3}$P$_{2}$: premier exemple d'une structure lacunaire ordonnée de type anti-PbFCl, Acta Crystallogr. Sect. 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 (2013). ASM International.
Prototype Generator
aflow --proto=A2B3_tP5_115_g_ag --params=$a,c/a,z_{2},z_{3}$