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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >On Two Glycine Zinc Sulfate Phases with Exotic Cation Coordination Geometries
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On Two Glycine Zinc Sulfate Phases with Exotic Cation Coordination Geometries

机译:在异种阳离子协调几何形状的两种甘氨酸锌阶段

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摘要

> Two hitherto hardly characterized glycine zinc sulfates were identified in the product of a batch production process for glycine zinc sulfates of the BASF Company: Gly · ZnSO 4 · 2H 2 O and β‐Gly‐ZnSO 4 . The crystal structures were solved from high resolution synchrotron X‐ray powder diffraction data. Gly · ZnSO 4 · 2H 2 O is the zinc analogue to an isotypic copper compound with space group P 2 1 / c (no. 14) and a = 7.8092(1) ?, b = 12.3979(2) ?, c = 8.3732(1) ?, β = 90.673(1) and V = 810.62(2) ?3. The crystal structure of the hitherto unknown β‐Gly‐ZnSO 4 with space group P 2 1 / c (no. 14) and a = 9.2577(1) ?, b = 5.1268(1) ?, c = 12.9926(1) ?, β = 90.267(1) and V = 616.65(1) ? 3 was solved ab initio. In both crystal structures the zinc cations exhibit exotic, fivefold coordination arrangements: squared ZnO 5 ‐pyramids are present in the structure of the dihydrate, whereas the crystal structure of β‐Gly‐ZnSO 4 contains trigonal ZnO 5 ‐bipyramids.
机译:

两种迄今为止几乎表征甘氨酸锌硫酸盐在BASF公司的甘氨酸锌硫酸盐的批量生产过程中鉴定出来:GLY ZnSO 4 · 2h 2 o和β-gly-znso 4 。晶体结构从高分辨率同步X射线粉末衍射数据求出。 GLY · ZnSO 4 · 2h 2 o是与空间组的异型铜化合物的锌类似物 P 2 1 / c (no.14)和 a = 7.8092(1)?, b < / i> = 12.3979(2)?, c = 8.3732(1)?,β = 90.673(1)和 v = 810.62( 2)?3。迄今未知的β-甘醇-ZnSO 4 具有空间组的晶体结构 P 2 1 / c (不。14)和 A = 9.2577(1)?, B = 5.1268(1)?, C = 12.9926(1)?, β = 90.267(1)和 v = 616.65(1)? 3 溶解了ab initio。在两个晶体结构中,锌阳离子表现出异国情调的,五折叠配合布置:平方ZnO 5 杂氮存在于二水合物的结构中,而β-甘油ZnSO 4的晶体结构存在于晶体结构中。 /子>包含三角形ZnO 5 -bipyramids。

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