采用水热法合成了配位聚合物 {[Co2 ( HBTC) 2 ( H2 O) 6 ]· C4 H1 0 N2 · 2 H2 O}n( H3BTC为 1 ,3 ,5 -均苯三羧酸 ,C4 H1 0 N2 为哌嗪 ) ,通过 X射线单晶衍射、红外光谱和荧光光谱进行表征 ,并用 TGA研究了该配位聚合物的热稳定性 .晶体属三斜晶系 ,P1空间群 ,a=1 .0 5 43 7( 9) nm,b=1 . 0 5 485 ( 9) nm,c=0 .71 482 ( 5 ) nm,α=1 0 2 .462 3 ( 2 8)°,β=91 .3 5 0 0 ( 4 2 )°,γ=1 1 1 .0 1 86( 2 9)°,V=0 .72 0 1 8( 1 0 ) nm3,Mr=764.3 7,Dc=1 .762 g· cm- 3,Z=1 ,μ( Mo Kα) =1 .2 5 mm- 1 ,F( 0 0 0 ) =3 94,R=0 .0 3 0 7,w R=0 .0 81 5 .晶体的基本构建单元中包含 2个 Co( )中心、 2个配位的 HBTC分子和 6个配位的水分子 .基本构建单元通过相互链接形成具有“Z”型结构的一维配位聚合链 ,链间通过两种不同的氢键 ( O— H… O和 N— H… O)相互作用 ,进而形成具有三维骨架结构的微孔晶体 ,微孔大小为 0 .71 nm× 0 .82 nm.荧光光谱表明 ,常温下用λex=3 1 2 nm的光激发后 ,配位聚合物在 3 2 9nm处出现强烈的荧光发射 The coordination polymers {[Co2 (HBTC) 2 (H2 O) 6] · C4 H1 0 N2 · 2 H2 O} n were synthesized by hydrothermal method (H3BTC is 1,3,5 - benzenetricarboxylic acid, C4 H1 0 N2 is piperazine) was synthesized and characterized by single crystal X-ray diffraction, FTIR and FTIR spectroscopy. The thermal stability of the coordination polymer was studied by TGA. The crystal belongs to triclinic system, P1 space group, a = 1 .0 5 43 7 (9) nm, b = 1.05 485 (9) nm, c = 0.71 482 (5) nm, α = 1 0 2 .462 3 (2 8) °, β = 91.35 0 0 (4 2) °, γ = 1 1 1 .0 1 86 (2 9) °, V = 0.72 0 1 8 (1 0) nm3, Mr = 764.3 7, Dc = 1. 762 g · cm -3, Z = 1, μ (Mo Kα) = 1.25 mm -1, F (0 0 0) = 3 94, R = 0 .30 7, w R = 0 .0 The basic building blocks of crystal contain two Co () centers, two coordinated HBTC molecules and six coordinated water molecules. The basic building blocks are linked to each other to form a one-dimensional configuration with “Z” structure The polymer chain, through the interaction between two different hydrogen bonds (O-H ... O and N-H ... O), forms a microporous crystal with a three-dimensional framework structure with a pore size of 0.71 nm × 0 .82 nm. Fluorescence spectra show that at room temperature with λex = 3 1 2 nm After excitation, coordination polymer occurs intense fluorescence emission at 3 2 9nm