Two manganese（II） coordination polymers, namely, {[Mn（PIP）（BIBP）]·（BIBP）0.5}n（1） and {[Mn（PTA）（BIMBP）（H2O）]·H2O（0.69）}n（2）（H2PIP = 5-（4-pyridyl）-isophthalic acid, H2 PTA =6-（4-pyridyl...Two manganese（II） coordination polymers, namely, {[Mn（PIP）（BIBP）]·（BIBP）0.5}n（1） and {[Mn（PTA）（BIMBP）（H2O）]·H2O（0.69）}n（2）（H2PIP = 5-（4-pyridyl）-isophthalic acid, H2 PTA =6-（4-pyridyl）-terephthalic acid, BIBP = 4,4？-bis（imidazol-1-yl）biphenyl, and BIMBP =4,4？-bis（imidazol-1-ylmethyl）biphenyl）, have been synthesized by using the bifunctional pyrinde-benzene carboxylic acids and bis（imidazole） linkers as mixed ligands to react with Mn SO4,and further characterized by elemental analysis, IR, and PXRD. Compound 1 is in the triclicnic system, space group P1 with a = 10.1089（8）, b = 13.1927（12）, c = 14.0638（12）A, α = 69.437（2）, β= 73.2890（10）, γ = 78.5320（10）o, V = 1671.9（2） A^3, Z = 2, Dc = 1.449 g/cm^3, F（000） = 705,μ（MoK α） = 0.453 mm^-1, S = 1.053, R = 0.0491 and wR = 0.1367 for 5837 unique reflections（Rint =0.0208） with I 〉 2σ（I）. Compound 2 belongs to the monoclicnic system, space group C2/c with a =15.199（3）, b = 19.731（3）, c = 21.537（5） ？, β = 105.228（3）o, V = 6232（2） A^3, Z = 8, Dc = 1.363g/cm^3, F（000） = 2648, μ（MoK α） = 0.475 mm^-1, S = 1.048, R = 0.0489 and wR = 0.1151 for 7414 unique reflections（Rint = 0.0425） with I 〉 2σ（I）. Structural analyses reveal that complex 1 is a4-connected（44.62）-sql bilayer structure with binuclear [Mn2（COO）2] SBU, while complex 2 is a normally（3,5）-connected（42.67.8）（42.6）-3,5L2 monolayer. And the sheets interacted with the adjacent sheets through weak interactions, finally giving a stable three-dimensional（3D）supramolecule. Besides, the variable-temperature magnetic susceptibility measurement of complex1 was investigated.展开更多
A novel one-dimensional copper(II) coordination polymer of {[Cu(4-CPOA)(3- PyOH)2(H2O)2]?H2O}n (4-CPOA2– = 4-carboxyphenoxyacetate dianion, 3-PyOH = 3-hydroxypyri- dine) has been synthesized and characterized by elem...A novel one-dimensional copper(II) coordination polymer of {[Cu(4-CPOA)(3- PyOH)2(H2O)2]?H2O}n (4-CPOA2– = 4-carboxyphenoxyacetate dianion, 3-PyOH = 3-hydroxypyri- dine) has been synthesized and characterized by elemental analyses, IR spectra and single-crystal X-ray diffraction. The complex C19H22N2O10Cu crystallizes in triclinic system, space group P1 with a = 7.672(2), b = 18.490(4), c = 13.271(3) ?, α = 72.81(3), β = 84.64(3), γ = 87.28(3)o, V = 1026.3(4) ?3, Z = 2, Mr = 501.94, Dc = 1.624 g/cm3, μ = 1.126 mm–1, F(000) = 518, the final R = 0.0580 and wR = 0.1310 for 3364 observed reflections with I > 2σ(I). Each Cu(II) ion is coordinated with two different carboxyl O atoms from two 4-carboxyphenoxyacetate groups, two N atoms from two 3-PyOH ligands and two water molecules, residing in a distorted octahedral environment. Adjacent Cu(II) atoms are linked by bi-monodentate 4-CPOA2– groups into an one-dimensional chain along the b axis. A three-dimensional supramolecular network is constructed by O–H…O hydrogen bonds.展开更多
The coordination polymer of [Mn(m-CPOAH)2(H2O)2]n (m-CPOAH– = 3-carboxyl- phenoxyacetate) has been synthesized and characterized by elemental analyses, IR, TG and single- crystal X-ray diffraction. The title complex ...The coordination polymer of [Mn(m-CPOAH)2(H2O)2]n (m-CPOAH– = 3-carboxyl- phenoxyacetate) has been synthesized and characterized by elemental analyses, IR, TG and single- crystal X-ray diffraction. The title complex crystallizes in the triclinic system, space group P1 with a = 4.7013(9), b = 5.6822(11), c = 17.758(4) ?, α = 87.39(3), β = 85.39(3), γ = 85.76(3)o, V = 471.18(17) ?3, Z = 1, Mr = 481.26, Dc = 1.696 g/cm3, μ = 0.770 mm-1, F(000) = 247, R = 0.0385 and wR = 0.1015. The Mn(II) atom assumes a distorted octahedral geometry, involving four carboxyl oxygen atoms from different m-CPOAH– ligands and two coordinated water molecules. The Mn(II) atoms are linked by the m-CPOAH– ligand to form a one-dimensional chain structure along the a axis. The shortest Mn…Mn separation within the polymer is 7.401(4) ?. A three- dimensional supramolecular network is constructed by O–H…O hydrogen bonding interactions.展开更多
基金supported by the NSF of Fujian Province(2015J01597)Collegiate Natural Science Fund of Fujian Province(JK2012019)Professor Fund of Fujian Medical University(JS14008)
文摘Two manganese（II） coordination polymers, namely, {[Mn（PIP）（BIBP）]·（BIBP）0.5}n（1） and {[Mn（PTA）（BIMBP）（H2O）]·H2O（0.69）}n（2）（H2PIP = 5-（4-pyridyl）-isophthalic acid, H2 PTA =6-（4-pyridyl）-terephthalic acid, BIBP = 4,4？-bis（imidazol-1-yl）biphenyl, and BIMBP =4,4？-bis（imidazol-1-ylmethyl）biphenyl）, have been synthesized by using the bifunctional pyrinde-benzene carboxylic acids and bis（imidazole） linkers as mixed ligands to react with Mn SO4,and further characterized by elemental analysis, IR, and PXRD. Compound 1 is in the triclicnic system, space group P1 with a = 10.1089（8）, b = 13.1927（12）, c = 14.0638（12）A, α = 69.437（2）, β= 73.2890（10）, γ = 78.5320（10）o, V = 1671.9（2） A^3, Z = 2, Dc = 1.449 g/cm^3, F（000） = 705,μ（MoK α） = 0.453 mm^-1, S = 1.053, R = 0.0491 and wR = 0.1367 for 5837 unique reflections（Rint =0.0208） with I 〉 2σ（I）. Compound 2 belongs to the monoclicnic system, space group C2/c with a =15.199（3）, b = 19.731（3）, c = 21.537（5） ？, β = 105.228（3）o, V = 6232（2） A^3, Z = 8, Dc = 1.363g/cm^3, F（000） = 2648, μ（MoK α） = 0.475 mm^-1, S = 1.048, R = 0.0489 and wR = 0.1151 for 7414 unique reflections（Rint = 0.0425） with I 〉 2σ（I）. Structural analyses reveal that complex 1 is a4-connected（44.62）-sql bilayer structure with binuclear [Mn2（COO）2] SBU, while complex 2 is a normally（3,5）-connected（42.67.8）（42.6）-3,5L2 monolayer. And the sheets interacted with the adjacent sheets through weak interactions, finally giving a stable three-dimensional（3D）supramolecule. Besides, the variable-temperature magnetic susceptibility measurement of complex1 was investigated.
基金This work was supported by the National Natural Science Foundation of China (No. 20101003), Natural Science Foundation of Heilongjiang Province (No. B0007) and Outstanding Teacher Foundation of Heilongjiang Province (1054G036)
文摘A novel one-dimensional copper(II) coordination polymer of {[Cu(4-CPOA)(3- PyOH)2(H2O)2]?H2O}n (4-CPOA2– = 4-carboxyphenoxyacetate dianion, 3-PyOH = 3-hydroxypyri- dine) has been synthesized and characterized by elemental analyses, IR spectra and single-crystal X-ray diffraction. The complex C19H22N2O10Cu crystallizes in triclinic system, space group P1 with a = 7.672(2), b = 18.490(4), c = 13.271(3) ?, α = 72.81(3), β = 84.64(3), γ = 87.28(3)o, V = 1026.3(4) ?3, Z = 2, Mr = 501.94, Dc = 1.624 g/cm3, μ = 1.126 mm–1, F(000) = 518, the final R = 0.0580 and wR = 0.1310 for 3364 observed reflections with I > 2σ(I). Each Cu(II) ion is coordinated with two different carboxyl O atoms from two 4-carboxyphenoxyacetate groups, two N atoms from two 3-PyOH ligands and two water molecules, residing in a distorted octahedral environment. Adjacent Cu(II) atoms are linked by bi-monodentate 4-CPOA2– groups into an one-dimensional chain along the b axis. A three-dimensional supramolecular network is constructed by O–H…O hydrogen bonds.
基金This work was supported by the National Natural Science Foundation of China (No. 20101003), and the Scientific Fund of Remarkable Teachers of Heilongjiang Province (No. 1054G036)
文摘The coordination polymer of [Mn(m-CPOAH)2(H2O)2]n (m-CPOAH– = 3-carboxyl- phenoxyacetate) has been synthesized and characterized by elemental analyses, IR, TG and single- crystal X-ray diffraction. The title complex crystallizes in the triclinic system, space group P1 with a = 4.7013(9), b = 5.6822(11), c = 17.758(4) ?, α = 87.39(3), β = 85.39(3), γ = 85.76(3)o, V = 471.18(17) ?3, Z = 1, Mr = 481.26, Dc = 1.696 g/cm3, μ = 0.770 mm-1, F(000) = 247, R = 0.0385 and wR = 0.1015. The Mn(II) atom assumes a distorted octahedral geometry, involving four carboxyl oxygen atoms from different m-CPOAH– ligands and two coordinated water molecules. The Mn(II) atoms are linked by the m-CPOAH– ligand to form a one-dimensional chain structure along the a axis. The shortest Mn…Mn separation within the polymer is 7.401(4) ?. A three- dimensional supramolecular network is constructed by O–H…O hydrogen bonding interactions.
