Synthesis and Structural Characterization of an Unprecedented Nonmetal Cation Polyborate Salt Containing Two Different “Isolated” Polyborate Anions: [H2en]2[B4O5(OH)4][B7O9(OH)5]·3H2O (en = H2NCH2CH2NH2)
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https://figshare.com/articles/dataset/Synthesis_and_Structural_Characterization_of_an_Unprecedented_Nonmetal_Cation_Polyborate_Salt_Containing_Two_Different_Isolated_Polyborate_Anions_H_sub_2_sub_en_sub_2_sub_B_sub_4_sub_O_sub_5_sub_OH_sub_4_sub_B_sub_7_sub_O_sub_9_sub_OH_sub_5_sub_3H_sub_2_s/2575672
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The nonmetal cation polyborate salt of stoichiometry [H2en]2[B11O18(OH)]·7H2O is obtained from the reaction of 1,2-diaminoethane and boric acid (1:5 ratio) in H2O/MeOH. An X-ray crystallographic study of the product reveals that the polyborate moiety is composed of two isolated hydrated polyborate anions: [B4O5(OH)4]2– and [B7O9(OH)5]2–. The structure is templated by the cations with the anions forming a supramolecular H-bonded network, augmented by additional H-bonds involving the waters of crystallization and the cations.
创建时间：
2016-02-22
