Assembly of two layered cobalt-molybdenum phosphates: Changing interlayer distances by tuning the lengths of amine ligands

作者：Zhang Yu Nan; Zhou Bai Bin^*; Sha Jing Quan; Su Zhan Hua; Cui Ji Wen

来源：Journal of Solid State Chemistry, 2011, 184(2): 419-426.

DOI：10.1016/j.jssc.2010.12.010

• Cobalt-molybdenum phosphates
• Two layered framework
• Hydrothermal synthesis
• Magnetic property

By using amines with different lengths, two layered cobalt-molybdenum phosphates with different interlayer distances, (C2N2H10) [HCo(H2O)(2)P2MoO10] (1), and (C3N2H12)(4){Co-3 [P4Mo6O26(OH)(5)](2)}center dot 5H(2)O (2), have been hydrothermally synthesized and characterized. In compound 1, the H(2)en direct the [CoMoP2] clusters to form a layered framework. By changing the lengths of protonated organic amines (H(2)en to 1, 3-H(2)pn), compound 2 is obtained, in which the sandwich-shaped [Co (Mo6P4)2] clusters are linked by tetrahedrally coordinated cobalt into a layered framework. With the lengths of protonated organic amines increasing, the interlayer distances in compound 2 become larger. This work successfully demonstrates that tuning the lengths and conformation of the protonated organic amines can provide a facile route for the formation of organically templated inorganic open-framework materials. Additionally, susceptibility measurement shows that the two compounds both exhibit antiferromagnetic interactions.

• 出版日期2011-2
• 单位哈尔滨工业大学; 黑龙江大学; 佳木斯大学; 哈尔滨师范大学