With heavier halides, the coordination quantities are decrease. The other trihalides are dimeric or polymeric with tetrahedral four-coordinate aluminium centers.[g] Aluminium trichloride (AlCl3) features a layered polymeric framework below its melting place of 192.four °C (378 °F) but transforms on melting to Al2Cl6 dimers. At better temperatures those more and more dissociate https://shedsandgarages46789.ageeksblog.com/36126538/the-ultimate-guide-to-aluminium-greenhouse