首页> 中文期刊> 《中国化学(英文版)》 >Syntheses and Crystal Structures of Na(H2O)(C17H13O6SO3)·2H2O and Ni(H2O)6(C17H13O6SO3)2·4H2O

Syntheses and Crystal Structures of Na(H2O)(C17H13O6SO3)·2H2O and Ni(H2O)6(C17H13O6SO3)2·4H2O

         

摘要

Two hydrates of sodium 5,7-dihydroxy-6,4'-dimethoxyisoflavone-3'-sulfonate ([Na(H2O)](C17H13O6SO3)·2H2O,thesized and characterized by IR, 1H NMR and X-ray diffraction analyses. The hydrate 1 crystallizes in the monoclinic system, space group P2(1) with a=0.8201(9) nm, b=0.8030(8) nm, c= 1.5361(16) nm,β= 102.052(12)°, V=0.9893(18) nm3, Dc= 1.579 g/cm3, Z=2,μ=0.252 nm-1, F(000)=488, R=0.0353, wR=0.0873. The hydrate 2belongs to triclinic system, space group P-1 with a=0.7411(3) nm, b=0.8333(3) nm, c=1.7448(7) nm, a=86.361(6)°, β= 86.389(5)°, y= 88.999(3)°, V= 1.0731(7) nm3, Dc= 1.587 g/cm3, Z= 1, μ=0.649 mm-1, F(000)=534. In the structure of 1, the sodium cation is coordinated by six oxygen atoms and two adjacent ones are bridged molecules in the structure of 2. Meanwhile, hydrogen bonds in two compounds, link themselves to assemble two three-dimensional network structures, respectively.

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