The novel coordination polymer [Pr（BYBA）3（H2O）2]·[Pr（BYBA）3（H2O）] （BYBAH = 2-benzoylbenzoic acid） was yielded by hydrothermal synthesis, determined by single-crystal X-ray diffraction, and characterized...The novel coordination polymer [Pr（BYBA）3（H2O）2]·[Pr（BYBA）3（H2O）] （BYBAH = 2-benzoylbenzoic acid） was yielded by hydrothermal synthesis, determined by single-crystal X-ray diffraction, and characterized by FT-IR and UV-Vis spectra. The crystal crystallizes in the triclinic system, space group P1 with a = 9.112（3）, b = 14.644（5）, c = 27.076（11） A, α = 84.223（3）,β = 87.816（4）,γ = 88.902（4）°, V= 3592（2）A, C84H60O21Pr2, Mr = 1687.14, Z = 2, F（000） = 1700, Dc = 1.560 g/cm^3, μ=1.419mm^-1, the fmal R = 0.0485 and wR = 0.1258 for 13035 observed reflections with I 〉 2σ（Ⅰ）. The compound contains two different building milts, [Pr2（BYBA）6（H2O）4] and [Pr2（BYBA）6（H2O）2]. It is noticeable that [Pr2（BYBA）6（H2O）4] is an isolated binuclear building block, in which the Pr3＋ ion centers are both located in an eight-coordinated environment. However, in [Pr2（BYBA）6（H2O）2] the Pr^3＋ ion centers are located in a nine-coordinated envirormlent and connected by BYBA ligands to form 1D chains.展开更多
基金the State Key Laboratory of Structural Chemistry and Foundation of Education Committee of Fujian Province (No. JB04049).
文摘The novel coordination polymer [Pr（BYBA）3（H2O）2]·[Pr（BYBA）3（H2O）] （BYBAH = 2-benzoylbenzoic acid） was yielded by hydrothermal synthesis, determined by single-crystal X-ray diffraction, and characterized by FT-IR and UV-Vis spectra. The crystal crystallizes in the triclinic system, space group P1 with a = 9.112（3）, b = 14.644（5）, c = 27.076（11） A, α = 84.223（3）,β = 87.816（4）,γ = 88.902（4）°, V= 3592（2）A, C84H60O21Pr2, Mr = 1687.14, Z = 2, F（000） = 1700, Dc = 1.560 g/cm^3, μ=1.419mm^-1, the fmal R = 0.0485 and wR = 0.1258 for 13035 observed reflections with I 〉 2σ（Ⅰ）. The compound contains two different building milts, [Pr2（BYBA）6（H2O）4] and [Pr2（BYBA）6（H2O）2]. It is noticeable that [Pr2（BYBA）6（H2O）4] is an isolated binuclear building block, in which the Pr3＋ ion centers are both located in an eight-coordinated environment. However, in [Pr2（BYBA）6（H2O）2] the Pr^3＋ ion centers are located in a nine-coordinated envirormlent and connected by BYBA ligands to form 1D chains.
