Structure and Magnetic Properties of Pb<sub>2</sub>Cu<sub>3</sub>B<sub>4</sub>O<sub>11</sub>: a New Copper Borate Featuring [Cu<sub>3</sub>O<sub>8</sub>]<sup>10-</sup> Units
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Pb2Cu3B4O11 crystallizes in the monoclinic space group P2/n (No. 13) with a = 6.8016(15) Å, b = 4.7123(10) Å, c = 14.614(3) Å, β = 97.089(3)°, and Z = 2. The crystal structure consists of infinite [Cu3O8]10- zigzag chains of alternating dimers and monomers. The magnetic susceptibility and specific heat capacity show spin-gap and Curie−Weiss behaviors that can be explained by a model of Cu(2)−Cu(2) dimers and isolated or weakly coupled Cu(1) monomers.
创建时间：
2016-07-05
