新型氨基酸-钨砷多金属氧酸盐K6［Cu(Ala)2*(H2O)2］2［Cu4(H2O)2(AsW9O34)2］*16H2O的合成与晶体结构

• 作 者: 王永慧 胡长文 王恩波 胡宁海 贾恒庆 邢彦
• 机 构: 东北师范大学化学学院多酸化学研究所!长春130024,东北师范大学化学学院多酸化学研究所!长春130024,东北师范大学化学学院多酸化学研究所!长春130024,中国科学院长春应用化学研究所!长春13
• 出 处: 高等学校化学学报
• 发表日期: 2001年03期
• 关键词: 氨基酸 钨砷多金属氧酸盐 合成 晶体结构

The novel amino acid containing polyoxometalate K 6[Cu(Ala) 2(H 2O) 2] 2[Cu 4(H 2O) 25(AsW 9O 34 ) 2]·16H 2O was synthesized from the reaction of K 10 [Cu 4(H 2O) 2(AsW 9O 34 ) 2]·20H 2O with β alanine. Its structure has been determined by single crystal X ray diffraction. It crystallizes in the triclinic space group P1 , with a =1.196 3(2) nm, b =1.536 5(3) nm, c =1.591 4(3) nm, α=93.97(3)°, β=110.88(3)°, γ=101.07(3)°, V =2.651 8(9) nm 3 and Z =1. Least squares refinement of the structure leads to R and R w factors of 0.067 3 and 0.162 8, respectively. An unusual structural feature of the compound is that the polyanion [Cu 4(H 2O) 2(AsW 9O 34 ) 2] 10- is linked with the amino acid complex of Cu 2+ by a μ oxygen atom.

The novel amino acid containing polyoxometalate K 6 [Cu (Ala) 2 (H 2 O) 2] 2 [Cu 4 (H 2 O) 2 5 (AsW 9O 34) 2] · 16H 2O was synthesized from the reaction of K 10 Its structure has been determined by single crystal X-ray diffraction. It crystallizes in the triclinic space group P1, with a = 1.196 3 (2) [Cu 4 (H 2 O) 2 (AsW 9O 34) 2] · 20H 2O with β alanine. ) b = 1.536 5 (3) nm, c = 1.591 4 (3) nm, α = 93.97 (3) °, β = 110.88 (3) °, γ = 101.07 (3) °, V = 2.651 8 9) nm 3 and Z = 1. Least squares refinement of the structure leads to R and R w factors of 0.067 3 and 0.162 8, respectively. An unusual structural feature of the compound is that the polyanion [Cu 4 (H 2O) 2 (AsW 9O 34) 2] 10-is linked with the amino acid complex of Cu 2+ by a μ oxygen atom.