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Mixed-valent manganese phosphonate clusters prepared under microwave-assisted and ambient conditions
Jin-Tang Li1, Yun-Sheng Ma, Shao-Gang Li
1Coordination Chemistry Institute, Nanjing University, P. R. China.
Dalton Transactions (Cambridge, England : 2003)
|August 8, 2009
Abstract:
Mixed-valent manganese phosphonate clusters [Mn(II)(8)Mn(III)(2)O(2)(O(3)PC(10)H(7))(4)(C(6)H(5)CO(2))(10)(py)(4)(H(2)O)(2)] (1) and [Mn(II)(4)Mn(III)(9)O(4)(OH)(2)(O(3)PC(10)H(7))(10)(C(6)H(5)CO(2))(5)(py)(8)(H(2)O)(6)] (2) are reported. Compound 1 is the first example of manganese phosphonate clusters prepared through a microwave-assisted technique. While compound 2 is obtained under ambient condition, and exhibits slow magnetic relaxation behaviour at low temperature.
