Three new suprarnolecular networks based on paratungstate and N-donor bridging ligands, [H2bpmp]2,5H[H2W12O40]·2H20（1）, [H2（bpp）]2[H（py-CH3）]0.25 [H（py-C2Hs）]0.25H1.5[H2W12O40]·4H2O（2） and [H2pip]3...Three new suprarnolecular networks based on paratungstate and N-donor bridging ligands, [H2bpmp]2,5H[H2W12O40]·2H20（1）, [H2（bpp）]2[H（py-CH3）]0.25 [H（py-C2Hs）]0.25H1.5[H2W12O40]·4H2O（2） and [H2pip]3[H2W12O40]（3）[bpmp=N,N＇-bis（4-pyridylmethyl）piperazine; bpp=l,3-bis（4-pyridyl）propane; py=pyridine; pip=piperazine] were prepared by the hydrothermal synthesis and characterized by elemental analysis, infrared（IR）, thermogravimetric（TG） analysis and single-crystal X-ray diffraction（XRD）. All the compounds show high-dimen- sional suprarnolecular networks based on [H2W12O40]^6- and the protonated N-donor ligands via the N-H.…O-W hydrogen bonds and/or π…πstacking interactions. Their luminescent properties were investigated.展开更多
基金Supported by the National Natural Science Foundation of China(No.91027002)the Fundamental Research Funds for the Central Universities,China(No.11CXPY002)
文摘Three new suprarnolecular networks based on paratungstate and N-donor bridging ligands, [H2bpmp]2,5H[H2W12O40]·2H20（1）, [H2（bpp）]2[H（py-CH3）]0.25 [H（py-C2Hs）]0.25H1.5[H2W12O40]·4H2O（2） and [H2pip]3[H2W12O40]（3）[bpmp=N,N＇-bis（4-pyridylmethyl）piperazine; bpp=l,3-bis（4-pyridyl）propane; py=pyridine; pip=piperazine] were prepared by the hydrothermal synthesis and characterized by elemental analysis, infrared（IR）, thermogravimetric（TG） analysis and single-crystal X-ray diffraction（XRD）. All the compounds show high-dimen- sional suprarnolecular networks based on [H2W12O40]^6- and the protonated N-donor ligands via the N-H.…O-W hydrogen bonds and/or π…πstacking interactions. Their luminescent properties were investigated.
