The homopolymer brushes of polyacrylamide(PAAM) on spherical silicon gel were synthesized by atom transfer radical polymerization(ATRP). The silicon gel initiator was prepared by self-assemble. Utilizing these modifie...The homopolymer brushes of polyacrylamide(PAAM) on spherical silicon gel were synthesized by atom transfer radical polymerization(ATRP). The silicon gel initiator was prepared by self-assemble. Utilizing these modified silicon gel as the substrate, a kind of novel inorganic-organic hybrid material with the polymer metal complex was synthesized. The result of ESR indicates that the inorganic/organic hybrid material with the polymer metal complex based on silicon gel possesses well paramagnetis.展开更多
The title compound Mn 3(BTC) 2(DMF) 4 (BTC=1,3,5-benzenetricarboxylic acid,DMF=dimethyl formamide) was synthesized under the mild conditions and its crystal structure was determined by single crystal X-ray diffraction...The title compound Mn 3(BTC) 2(DMF) 4 (BTC=1,3,5-benzenetricarboxylic acid,DMF=dimethyl formamide) was synthesized under the mild conditions and its crystal structure was determined by single crystal X-ray diffraction. The compound crystallizes in the monoclinic system and belongs to space group P2 1/c with a =1.787 6(4) nm, b =1.179 7(2) nm, c =1.884 8(4) nm, β =116.35(3)°, V = 3.561 9(12) nm 3, Z =4, D c=7.413 Mg/m 3, M r=871.43, μ =5.081 mm -1 , F (000)=8 082, R = 0.045 6 , wR =0.106 3. Its structure reveals that each asymmetric unit of the title polymer contains three Mn(Ⅱ) ions,six BTC and four DMF ligands. The coordination of BTC ligands with Mn(Ⅱ) ions forms a 3D infinite framework having helical chains composed with 2 1 axes and about 0.6 nm× 0.8 nm channels along the [100] direction.展开更多
A new inorganic-organic hybrid framework microporous material Cd 3(BDC) 0.5(BTC) 2·(DMF)(H 2O)·3DMF·H 3O·H 2O, in which two kinds of carboxylate ligands coordinate with cadmium ions synchronously, ...A new inorganic-organic hybrid framework microporous material Cd 3(BDC) 0.5(BTC) 2·(DMF)(H 2O)·3DMF·H 3O·H 2O, in which two kinds of carboxylate ligands coordinate with cadmium ions synchronously, was obtained under a mild synthesis condition. The titled compound is crystallized in a monoclinic system, space group P2(1)/c with a=1.584 7(7) nm, b=1.426 7(6) nm, c=1.936 3(6) nm, β=113.186(7)°, V=4.024 6(3) nm 3, Z=4, D X=1.947 mg/m 3, M r=1 179.92, μ=1.662 mm -1, F(000)=2 344, R=0.074 8, wR=0.215 1. Three cadmium centers link with each other through BDC or BTC ligand to form a 3-D open framework.展开更多
Compound [Co 3(BTC)(HBTC)(H 2BTC)(C 2H 4O 2) 3]·3(DMF)·6(H 3O) was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The crystal structure ...Compound [Co 3(BTC)(HBTC)(H 2BTC)(C 2H 4O 2) 3]·3(DMF)·6(H 3O) was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The crystal structure was solved by direct method and refined by full-matrix least-square method. The crystal is monoclinic and belongs to space group Cc with a=2.645 3(5) nm, b= 1.670 4(3) nm, c=1\^821 6(4) nm, β=128.16(3) °, V=6.329(2) nm 3, Z=2 , D c=20.200 Mg/m 3, M r= 1 314.744, μ=10.274 mm -1, F(000) =38 226, GOF=0.99, R=0.094 1, ωR=0.257 3.展开更多
A 3-D inorganic-organic hybrid framework microporous material [Co 3(BDC) 3(EG) 4]·2DMF was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The...A 3-D inorganic-organic hybrid framework microporous material [Co 3(BDC) 3(EG) 4]·2DMF was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The crystal structure was solved by a direct method and refined by full-matrix least-square method. The crystal is the triclinic system and belongs to space group P-1 with a=9.978(2) nm, b=11.223(2) nm, c=11.283(2) nm, α=102.26(3)°, β=113.52(3)°, γ=92.73(3)°, V=6.329(2) nm 3, Z=1, D c=1.565 Mg/m 3, M r=1 063.59, μ=1.183 mm -1, F(000)=541, GOF=1.024, R=0.044 2, wR=0.124 9.展开更多
The title compound [Zn3（BTC）2（H2O）3]n（BTC=1,3,5-benzenetricarboxylic acid） was synthesized under mild conditions and its crystal structure was determined by single crystal X-ray diffraction. The compound crystal...The title compound [Zn3（BTC）2（H2O）3]n（BTC=1,3,5-benzenetricarboxylic acid） was synthesized under mild conditions and its crystal structure was determined by single crystal X-ray diffraction. The compound crystallizes in the cubic system and belongs to space group Fm-3m with a=2.662 6（3） nm ,V=18.877（4） nm 3,Z=16,Dc=1.51 g/cm 3,Mr=664.4,μ=0.198 mm -1 , F（000）=852 ,R=0.062 5,wR=0.129 4. Its structure reveals that the title polymer is composed of dimeric zinc tetracarboxylate units,with a short Zn-Zn internuclear separation of 0.295 0（4） nm. The coordination of BTC ligands with Zn ions forms a 3D infinite framework with about 1.117 4 nm×1.327 4 nm pores along the [001],[100] and [010] direction. [WT5HZ]展开更多
文摘The homopolymer brushes of polyacrylamide(PAAM) on spherical silicon gel were synthesized by atom transfer radical polymerization(ATRP). The silicon gel initiator was prepared by self-assemble. Utilizing these modified silicon gel as the substrate, a kind of novel inorganic-organic hybrid material with the polymer metal complex was synthesized. The result of ESR indicates that the inorganic/organic hybrid material with the polymer metal complex based on silicon gel possesses well paramagnetis.
文摘The title compound Mn 3(BTC) 2(DMF) 4 (BTC=1,3,5-benzenetricarboxylic acid,DMF=dimethyl formamide) was synthesized under the mild conditions and its crystal structure was determined by single crystal X-ray diffraction. The compound crystallizes in the monoclinic system and belongs to space group P2 1/c with a =1.787 6(4) nm, b =1.179 7(2) nm, c =1.884 8(4) nm, β =116.35(3)°, V = 3.561 9(12) nm 3, Z =4, D c=7.413 Mg/m 3, M r=871.43, μ =5.081 mm -1 , F (000)=8 082, R = 0.045 6 , wR =0.106 3. Its structure reveals that each asymmetric unit of the title polymer contains three Mn(Ⅱ) ions,six BTC and four DMF ligands. The coordination of BTC ligands with Mn(Ⅱ) ions forms a 3D infinite framework having helical chains composed with 2 1 axes and about 0.6 nm× 0.8 nm channels along the [100] direction.
文摘A new inorganic-organic hybrid framework microporous material Cd 3(BDC) 0.5(BTC) 2·(DMF)(H 2O)·3DMF·H 3O·H 2O, in which two kinds of carboxylate ligands coordinate with cadmium ions synchronously, was obtained under a mild synthesis condition. The titled compound is crystallized in a monoclinic system, space group P2(1)/c with a=1.584 7(7) nm, b=1.426 7(6) nm, c=1.936 3(6) nm, β=113.186(7)°, V=4.024 6(3) nm 3, Z=4, D X=1.947 mg/m 3, M r=1 179.92, μ=1.662 mm -1, F(000)=2 344, R=0.074 8, wR=0.215 1. Three cadmium centers link with each other through BDC or BTC ligand to form a 3-D open framework.
文摘Compound [Co 3(BTC)(HBTC)(H 2BTC)(C 2H 4O 2) 3]·3(DMF)·6(H 3O) was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The crystal structure was solved by direct method and refined by full-matrix least-square method. The crystal is monoclinic and belongs to space group Cc with a=2.645 3(5) nm, b= 1.670 4(3) nm, c=1\^821 6(4) nm, β=128.16(3) °, V=6.329(2) nm 3, Z=2 , D c=20.200 Mg/m 3, M r= 1 314.744, μ=10.274 mm -1, F(000) =38 226, GOF=0.99, R=0.094 1, ωR=0.257 3.
文摘A 3-D inorganic-organic hybrid framework microporous material [Co 3(BDC) 3(EG) 4]·2DMF was synthesized under mild conditions and its crystal structure was determined by using single crystal X-ray diffraction. The crystal structure was solved by a direct method and refined by full-matrix least-square method. The crystal is the triclinic system and belongs to space group P-1 with a=9.978(2) nm, b=11.223(2) nm, c=11.283(2) nm, α=102.26(3)°, β=113.52(3)°, γ=92.73(3)°, V=6.329(2) nm 3, Z=1, D c=1.565 Mg/m 3, M r=1 063.59, μ=1.183 mm -1, F(000)=541, GOF=1.024, R=0.044 2, wR=0.124 9.
文摘The title compound [Zn3（BTC）2（H2O）3]n（BTC=1,3,5-benzenetricarboxylic acid） was synthesized under mild conditions and its crystal structure was determined by single crystal X-ray diffraction. The compound crystallizes in the cubic system and belongs to space group Fm-3m with a=2.662 6（3） nm ,V=18.877（4） nm 3,Z=16,Dc=1.51 g/cm 3,Mr=664.4,μ=0.198 mm -1 , F（000）=852 ,R=0.062 5,wR=0.129 4. Its structure reveals that the title polymer is composed of dimeric zinc tetracarboxylate units,with a short Zn-Zn internuclear separation of 0.295 0（4） nm. The coordination of BTC ligands with Zn ions forms a 3D infinite framework with about 1.117 4 nm×1.327 4 nm pores along the [001],[100] and [010] direction. [WT5HZ]
