| 以4-[(羧甲基)硫代]-苯甲酸为配体的Pb(Ⅱ)和Cd(Ⅱ)配位聚合物的合成、结构以及荧光性质 | |
| Syntheses, Structures and Photoluminescence of Pb(Ⅱ) and Cd(Ⅱ) Coordination Polymers Based on 4-[(Carboxymethyl)thio]-Benzoic Acid | |
| 摘要: 在混合溶剂热条件下，以4-[(羧甲基)硫代]-苯甲酸(CMTB)为配体合成了[Pb(CMTB)H2O]n(1)和[Cd(CMTB)]n(2)两个配位聚合物，并用X-射线单晶结构分析、电感耦合等离子光谱和红外光谱对其进行了表征。化合物1属于三斜晶系，空间群为P1，晶胞参数为a=0.645 08(13) nm，b=0.847 83(17) nm，c=0.956 30(19) nm，α=90.37(3)°，β=92.75(3)°，γ=106.40(3)°，Z=2；化合物1具有二维层状结构，每1个Pb(Ⅱ)与来自4个配体的5个氧原子以及1个来自水分子的氧原子配位，形成了1个变形八面体的几何构型。化合物2为单斜晶系，空间群是P21，晶胞参数为a=0.786 27(16) nm，b=0.600 55(12) nm，c=1.001 3(2) nm，β=91.14(3)°，Z=2。化合物2是一个二维层状化合物，Cd(Ⅱ)与5个氧原子和1个硫原子配位形成了六配位的八面体构型。同时，我们对两个配合物的荧光性质进行了研究。 | |
| 关键词: 配位聚合物 4-[(羧甲基)硫代]-苯甲酸 荧光 溶剂热 | |
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| Abstract: Two coordination polymers, [Pb(CMTB)H2O]n(1) and [Cd(CMTB)]n(2) (CMTB=4-[(carboxymethyl)thio]-benzoic acid) were synthesized under mild mixed solvothermal conditions and characterized by single crystal X-ray diffraction, ICP and IR spectroscopy. Compound 1 crystallizes in triclinic system, space group P1 with cell parameters: a=0.645 08(13) nm, b=0.847 83(17) nm, c=0.956 30(19) nm, α=90.37(3)°, β=92.75(3)°, γ=106.40(3)° and Z=2. It possesses a layered architecture and each Pb(Ⅱ) is six-coordinated to five O atoms from four (CMTB) ligands, one oxygen atom from the water molecule forming a distorted octahedral coordination geometry. Compound 2 crystallizes in monoclinic system, space group P21 with cell parameters: a=0.786 27(16) nm, b=0.600 55(12) nm, c=1.001 3(2) nm, β=91.14(3)° and Z=2. It displays two-dimensional frameworks and metal ions Cd(Ⅱ) were octahedrally coordinated to five oxygen atoms and one sulfur atoms. Compounds 1 and 2 are both photoluminescent active materials, and their emission properties were also studied. CCDC: 873419, 1; 857079, 2. | |
| Keywords: coordination polymer 4-[(carboxymethyl)thio]-benzoic acid photoluminescent solvothermal | |
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| 黄华清,黄坤林,彭 宇,张明星,王力梅,籍海光,施 展,付文升.以4-[(羧甲基)硫代]-苯甲酸为配体的Pb(Ⅱ)和Cd(Ⅱ)配位聚合物的合成、结构以及荧光性质[J].无机化学学报,2012,28(9):1885-1889. | |
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