An iron(III) phosphonate cluster containing a nonanuclear ring.
This communication reports the first example of cyclic ferric clusters with an odd number of iron atoms capped by phosphonate ligands, namely, [Fe9(mu-OH)(7)(mu-O)2(O3PC6H9)8(py)12]. The magnetic studies support a S = 1/2 ground state with an exchange coupling constant of about J approximately equal to -30 K.
Yao
Hong-Chang
HC
State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing 210093, P. R. China.
Wang
Jun-Jie
JJ
Ma
Yun-Sheng
YS
Waldmann
Oliver
O
Du
Wen-Xin
WX
Song
You
Y
Li
Yi-Zhi
YZ
Zheng
Li-Min
LM
Decurtins
Silvio
S
Xin
Xin-Quan
XQ