Solvothermal reaction of Zn(NO_3)_2, 4-(1H-pyrazol-4-yl)pyridine(Hpypz) and 1,3,5-benzenetricarboxylic acid(H_3btc) in N,N-dimethylacetamide(DMA) produced a new porous coordination polymer [Zn_5(pypz)_4(btc)_2](1). Single-crystal X-ray diffraction study of 1 showed that deprotonated pypz~– ligands served as 1,2,4-triazolate-like ligands, linking Zn(II) ions to form porous two-dimensional(2-D) sql-a layers {Zn(pypz)}^+, which were further connected by eight-legged pillars {Zn_2(btc)_4(H_2O)_2}^(8–) based on the typical paddlewheel dinuclear Zn_2(RCOO)_4(H_2O)_2 cluster to form a novel type of non-interpenetrated pillared-layer framework with 3-D intersecting pore system and large pore volume. Gas sorption measurements revealed that 1 possesses large BET surface area of 2061 m^2 g^(–1) and very high methane total uptake of 245 cm^3(STP) cm^(–3) at 298 K and 65 bar.
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机译:catena-Poly(((N-(4-amino-1,6-dihydro-1-methyl-5-nitroso-6-oxopyrimidin-2-y l)-(S)-glutamato)hexaaquabarium)-mu-N-(4-amino-1,6-dihydro-1-methyl-5-nitr oso-6-oxopyrimidin-2-yl)-(S)-glutamato): coordination polymer chains linked into a three-dimensional
机译:catena-PolyN-(4-amino-1,6-dihydro-1-methyl-5-nitroso-6-oxopyrimidin-2-yl)-(S)-glutamatohexaaqua-barium-mu-N-(4-amino-1,6-dihydro-1-methyl-5-nitroso-6-oxopyrimidin-2-yl)-(S)-glutamato: coordination polymer chains linked into a three-dimensional
机译:catena-Poly(((N-(4-amino-1,6-dihydro-1-methyl-5-nitroso-6-oxopyrimidin-2-y l)-(S)-glutamato)hexaaquabarium)-mu-N-(4-amino-1,6-dihydro-1-methyl-5-nitr oso-6-oxopyrimidin-2-yl)-(S)-glutamato): coordination polymer chains linked into a three-dimensional