Formal encapsulation of [Fe(H2O)6]3+ by dinuclear {Fe2(hpdta)} units leads to a nonanuclear S = 13/2 Fe(III) oxo-cluster showing magnetic hysteresis

SCHMITT, WOLFGANG

doi:http://dx.doi.org/10.1039/b416766j

Formal encapsulation of [Fe(H2O)6]3+ by dinuclear {Fe2(hpdta)} units leads to a nonanuclear S = 13/2 Fe(III) oxo-cluster showing magnetic hysteresis

Files

b416766j.pdf (215.36 KB)

Date

2005

Authors

SCHMITT, WOLFGANG

Access

openAccess

Citation

W. Schmitt, C. E. Anson, W. Wernsdorfer, A. K. Powell, Formal encapsulation of [Fe(H2O)6]3+ by dinuclear {Fe2(hpdta)} units leads to a nonanuclear S = 13/2 Fe(III) oxo-cluster showing magnetic hysteresis, Chemical Communications, 2005, 2098, 2100

Abstract

Under solvothermal conditions the unprecedented nonanuclear Fe(III) aggregate [Fe9(mu3-O)4(mu-OH)4(hpdta)4]5- is formed through the formal encapsulation of [Fe(H2O)6]3+ by four [Fe2(hpdta)(H2O)2]+ units: the aggregates have ground state spins of S= 13/2 while the observed hysteresis below 1.8 K results from inter-cluster antiferromagnetic coupling.