首页> 外文期刊>Comptes Rendus Chimie >Synthese et resolution structurale d'un nouveau sel a transfert de charge associant l'anion organique ABTS~(2-) et son radical ABTS~(·-) avec le cation inorganique La~(3+):La_3(ABTS)_5(H_2O)_(31)
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Synthese et resolution structurale d'un nouveau sel a transfert de charge associant l'anion organique ABTS~(2-) et son radical ABTS~(·-) avec le cation inorganique La~(3+):La_3(ABTS)_5(H_2O)_(31)

机译:一种新的电荷转移盐的合成和结构拆分,该盐将有机阴离子ABTS〜(2-)及其自由基ABTS〜(·-)与无机阳离子La〜(3 +):La_3(ABTS)_5( H_2O)_(31)

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摘要

By the electrocystallization technique,it has been possible to synthesize a new charge transfer salt,associating the organic anion ABTS~(2-),the radical anion ABTS~- (ABTS is the commerical name of the diammonium salt of the 2-2' azinobis-3 ethyl bexothiazoline sulfonate),and the inorganic ation La~(3+).From single crystal X-ray diffraction data,the crystal structure was solved at 200K.La_3(ABTS)_5(H_2O)_(31) belongs tothe triclinic symmetry space group P1 with the cell parameters:a=18.342(4)A,b=17.720(4)A,c=20.394(4)A,c=20.394(4)A,#alpha#=87.97(3) deg,#beta#=79.08(3) deg,#gamma#=85.21(3) deg.V=6850(2)A~3 and Z=2.The crystalline network reveals a two-dimensional character based on an alternation of organic and inorganic layers.A valence bond calculation corresponds to a lanthanum in a (+III) oxidation state.This compound is a mixed anionic valence salt,and in accordance with the charge equilibrium,its formulation must be written (La~(3+))_3(ABTS~(2-))_4(ABTS~(·-))_1(H_2O)_(31).
机译:通过电囊化技术,可以合成一种新的电荷转移盐,它与有机阴离子ABTS〜(2-),自由基阴离子ABTS〜-(ABTS是2-2'的二铵盐的商品名氮杂双3-乙基噻唑啉磺酸盐)和无机离子La〜(3+)。根据单晶X射线衍射数据,晶体结构在200K下分解.La_3(ABTS)_5(H_2O)_(31)属于具有单元参数的三斜对称空间群P1:a = 18.342(4)A,b = 17.720(4)A,c = 20.394(4)A,c = 20.394(4)A,#alpha#= 87.97(3) deg,#beta#= 79.08(3)deg,#gamma#= 85.21(3)deg.V = 6850(2)A〜3和Z = 2。晶体网络揭示了一个二维特征,其基于价键计算对应于处于(+ III)氧化态的镧。此化合物是混合的阴离子价盐,根据电荷平衡,必须写出其公式(La〜(3+ ))_ 3(ABTS〜(2-))_ 4(ABTS〜(·-))_ 1(H_2O)_(31)。

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