Synthetic-method-dependent magnetic relaxation in a cobalt(II) phosphonate chain compound.
A polar cobalt(II) phosphonate Co(bamdpH2)(H2O) (1) [bamdpH4 = (benzylazanediyl)bis(methylene)diphosphonic acid] is reported. It shows a linear chain structure. The neighboring chains are connected by moderately strong hydrogen bonds forming a supramolecular layer. The interlayer spaces are filled with the organic groups of the phosphonate ligands. Compound 1 displays the coexistence of single-chain magnet behavior and canted antiferromagnetism below 2.8 K. Moreover, the magnetic dynamics is strongly dependent on the synthetic methods, a phenomenon that has not been documented before.
State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, China.
Zhong-Sheng
ZS
Cai
Min
M
Ren
Song-Song
SS
Bao
Norihisa
N
Hoshino
Tomoyuki
T
Akutagawa
Li-Min
LM
Zheng