trans-(η2-Alkene)(4′-alkyloxy-4-stilbazole)dichloroplatinum; low melting organometallic mesogens

Abstract
trans-[PtCl2(CnH2n+1OC6H4CHCHC5H4N)(η2-CH2 CHCmH2m+1)](2) form stable smectic A mesophases on heating (for n7, m7; n8, m5; n9, m2; and n11, m0); melting temperatures below 50 °C can easily be achieved.