Linking cyano-bridged ladders by azide to form a layered metamagnet

摘要

Cyano-bridged corrugated ladder-like chains are connected by mu(1,1)-N-3 (end-on, EO) bridges to form a layered coordination polymer, {Mn(N-3)(CH3OH)[Cr( phen)(CN)(4)]} . CH3OH (2), which is the first mixed cyano - azide bridged compound, and shows metamagnetism below 21.8 K, a temperature much higher than that (3.4 K) of the crossed double chain [Cr(phen)(CN)(4)](2) [Mn(H2O)(2)] 4H(2)O (1) based on the same building block [Cr(phen)(CN)(4)](-).