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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Metal(II) cyamelurates prepared from aqueous ammonia
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Metal(II) cyamelurates prepared from aqueous ammonia

机译:由氨水制备的金属(II)cyamelurates

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We identified, three metal(II) salts of cyameluric acid, namely CaNH _4(H_2C_6N_7O_3)(HC _6N_7O_3)-OH_2O, [Cu(NH _3)_2]_3 (C_6N_7O _3),-2H_2O and (NH_4)_2[Zn(H _2O)_6](HC_6N_7O_3) _2 ? 2H_2O. All three compounds were prepared by crystallization from aqueous ammonia solutions containing the respective metal(II) ions. Apparently, the copper salt is identical with a compound claimed in the literature with formula CuNH_4C_6N_7O _3-NH_3. We studied the structure of all three compounds using single-crystal XRD (CaNH_4(H_2C_6N _7O_3)(HC_5N_7O_3)-6H _2O: Pl (no. 2), a = 6.6428(13), b = 8.7159(17), c = 19.245(4) ?, a = 92.52(3), ? = 92.22(3), y = 106.95(3)°, V = 1063.3(4) à~3, Z = 2), ([Cu(NH_3)_2] _3(C_6N_7O_3)_2-2H _2O: Pl (no. 2), a = 7.1732(14), b = 9.2338(18), c = 9.994(2) ?, a = 94.15(3), ? = 106.13(3), y = 106.28(3)°, V = 602.3(3) à~3, Z = 1), ((NH_4)_2[Zn(H _2O)_6](HC_6N_7O_3) _2-2H_2O: Pl (no. 2), a = 6.7568(14), b = 8.7252(17), c = 10.505(2) ?, a = 77.03(3), β = 77.08(3), y = 82.95(3)°, V = 586.5(2) ?~3, Z = 1). With the present work we provide the first structural investigation of cyamelurate salts containing divalent metal ions. We studied the occurrence of special structural features for the title compounds which have been claimed for copper salts of cyameluric acid by earlier works. We also made some fundamental discoveries about the crystal growth in these systems. The copper compound was studied further, using magnetic measurements and thermal analysis.
机译:我们确定了氰尿酸的三种金属(II)盐,即CaNH _4(H_2C_6N_7O_3)(HC _6N_7O_3)-OH_2O,[Cu(NH _3)_2] _3(C_6N_7O _3),-2H_2O和(NH_4)_2 [Zn( H _2O)_6](HC_6N_7O_3)_2吗? 2H_2O。所有三种化合物均通过从含有相应金属(II)离子的氨水溶液中结晶制得。显然,铜盐与文献中要求保护的具有式CuNH_4C_6N_7O_3-NH_3的化合物相同。我们使用单晶XRD(CaNH_4(H_2C_6N _7O_3)(HC_5N_7O_3)-6H _2O:Pl(no.2),a = 6.6428(13),b = 8.7159(17),c = 19.245)研究了所有三种化合物的结构。 (4)α,a = 92.52(3),α= 92.22(3),y = 106.95(3)°,V = 1063.3(4)à〜3,Z = 2),([Cu(NH_3)_2] _3(C_6N_7O_3)_2-2H _2O:Pl(编号2),a = 7.1732(14),b = 9.2338(18),c = 9.994(2)α,a = 94.15(3),α= 106.13(3 ),y = 106.28(3)°,V = 602.3(3)à〜3,Z = 1),(((NH_4)_2 [Zn(H _2O)_6](HC_6N_7O_3)_2-2H_2O:Pl(no.2 ),a = 6.7568(14),b = 8.7252(17),c = 10.505(2)α,a = 77.03(3),β= 77.08(3),y = 82.95(3)°,V = 586.5( 2)α〜3,Z = 1)。通过目前的工作,我们提供了包含二价金属离子的半月桂酸盐的首次结构研究。我们研究了标题化合物的特殊结构特征的发生,该化合物早先的著作已被称为环戊二酸铜盐。我们还对这些系统中的晶体生长做出了一些基本发现。使用磁测量和热分析进一步研究了铜化合物。

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