Template synthesis and single-molecule magnetism properties of a complex with spin S = 16 and a [Mn8O8]8+ saddle-like core

Anastasios J Tasiopoulos; Wolfgang Wernsdorfer; Brian Moulton; Michael J Zaworotko; George Christou

doi:10.1021/ja0385134

Template synthesis and single-molecule magnetism properties of a complex with spin S = 16 and a [Mn8O8]8+ saddle-like core

J Am Chem Soc. 2003 Dec 17;125(50):15274-5. doi: 10.1021/ja0385134.

Authors

Anastasios J Tasiopoulos¹, Wolfgang Wernsdorfer, Brian Moulton, Michael J Zaworotko, George Christou

Affiliation

¹ Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA.

PMID: 14664555
DOI: 10.1021/ja0385134

Abstract

The compound [CeIVMnIII8O8(O2CMe)12(H2O)4].4H2O (1.4H2O) has been obtained from a template synthesis involving the reaction of the chain polymer {[MnIII(OH)(O2CMe)2] .(MeCO2H).(H2O)}n (3) with Ce(IV). Compound 1 contains a MnIII8 loop inside which is held the Ce(IV) ion by the bridging oxide ions. Magnetization and magnetic susceptibility studies establish that 1 has an S = 16 spin ground state, the largest yet for a Mn cluster, and displays the slow magnetization relaxation and hysteresis behavior of a single-molecule magnet (SMM). It is thus the highest spin Mn SMM discovered to date.