Table 1. Derived Crystallographic Data of the (PEA)4AgBiBr8 and (PEA)2CsAgBiBr7 Single Crystals Compared to Those of the Reference Cs2AgBiBr6.
PeABr1 → (PEA)4AgBiBr8 | PeABr2 → (PEA)2CsAgBiBr7 | Cs2AgBiBr6 | |
---|---|---|---|
space group | triclinic (P1̅) | triclinic (P1̅) | cubic (Fm3̅m) |
chemical units | 2 | 2 | 4 |
lattice params | |||
a (Å) | 11.5184 | 7.9591 | 11.2499 |
b (Å) | 11.6000 | 8.0394 | 11.2499 |
c (Å) | 17.3679 | 22.6161 | 11.2499 |
α (deg) | 106.624 | 97.634 | 90 |
β (deg) | 100.528 | 93.818 | 90 |
γ (deg) | 90.203 | 90.2700 | 90 |