Two new lanthanide coordination polymers, namely [Ln2（μ3-OH）（pydca）-（pyba）3（H2O）]n（Ln = Pr, 1; Eu, 2; Hpyba = 4-（4-pyridyl）benzoic acid; H2 pydca = 2,6-pyridinedicarboxylic acid）, have been hydrothermally...Two new lanthanide coordination polymers, namely [Ln2（μ3-OH）（pydca）-（pyba）3（H2O）]n（Ln = Pr, 1; Eu, 2; Hpyba = 4-（4-pyridyl）benzoic acid; H2 pydca = 2,6-pyridinedicarboxylic acid）, have been hydrothermally synthesized and characterized by IR spectroscopy and X-ray single-crystal diffraction. The chains of 1 and 2 are constructed by tetrametallic units of [Ln4（OH）2（pyba）2], which are further linked by μ4-k1N, k1O, k2O′, k2O″-pydca and μ2-k1N, k1O, k1O′-pyba to form 2D frameworks. Luminescence measurement reveals that compound 2 exhibits strong reddish emission at room temperature.展开更多
基金supported by the Scientific Research Fund of Hunan Provincial Education Department(No.15C0818)
文摘Two new lanthanide coordination polymers, namely [Ln2（μ3-OH）（pydca）-（pyba）3（H2O）]n（Ln = Pr, 1; Eu, 2; Hpyba = 4-（4-pyridyl）benzoic acid; H2 pydca = 2,6-pyridinedicarboxylic acid）, have been hydrothermally synthesized and characterized by IR spectroscopy and X-ray single-crystal diffraction. The chains of 1 and 2 are constructed by tetrametallic units of [Ln4（OH）2（pyba）2], which are further linked by μ4-k1N, k1O, k2O′, k2O″-pydca and μ2-k1N, k1O, k1O′-pyba to form 2D frameworks. Luminescence measurement reveals that compound 2 exhibits strong reddish emission at room temperature.
