A new coordination polymer, [Mn（L）（1,4-bdc）] （L = 11-fluoro-dipyrido[3,2- a：2＂,3 ＂- c]phenazine, 1,4-bdc - benzene-1,4-dicarboxylate）, has been synthesized through the hydrothermal method and characterized by...A new coordination polymer, [Mn（L）（1,4-bdc）] （L = 11-fluoro-dipyrido[3,2- a：2＂,3 ＂- c]phenazine, 1,4-bdc - benzene-1,4-dicarboxylate）, has been synthesized through the hydrothermal method and characterized by elemental analysis, IR and single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.7544（9）, b = 10.8254（10）, c = 11.5288（10） A, a = 114.1300（10）, β = 96.6110（10）, y = 105.0390（10）°, V= 1038.62（16）/k3, Z= 2, C26H13FMnN404, Mr = 519.34, Dc = 1.661 g/cm3, F（000） = 526, ,u（MoKa） = 0.691 mm^-, R = 0.0405 and wR = 0.0977. The 1,4-bdc dianions link the neighboring Mn（II） atoms to yield a two-dimensional layer structure. The L ligands are attached on both sides of the layer. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture.展开更多
A one-dimensional double-chain coordination polymer [Mn(phen)(tsgluo)] was synthesized in a mixed solution and its crystal structure was determined by X-ray diffraction method. It crystallizes in orthorhombic system w...A one-dimensional double-chain coordination polymer [Mn(phen)(tsgluo)] was synthesized in a mixed solution and its crystal structure was determined by X-ray diffraction method. It crystallizes in orthorhombic system with space group P212121. The crystal data are: a=0.530 78(17) nm, b=1.723 9(5) nm, c=2.456 9(8) nm, Z=4, μ=0.729 mm-1, Dc=1.579 g·cm-3, V=2.248 1(12) nm3, R1=0.033 1, ωR2=0.078 9. In the title complex, each Mn(Ⅱ) ion presents a octahedral geometry with the coordination of two nitrogen atoms from 1,10-phenanthroline and four oxygen atoms from three different tsgluo2- ligands. The γ-carboxyl coordinates to Mn(Ⅱ) in the mode of bidentate chelate, while the α-carboxyl coordinates in a bidentate bridging mode. CCDC: 253910.展开更多
The title complex, [Mn（DPPZ）（PZDC）（H2O）] 1 （DPPZ = dipyrido[3,2 -a：2＇,3＇- c]phenazine and H2PZDC = pyrazine-2,3-dicarboxylic acid）, has been hydrothermally synthesized and structurally characterized by X-ra...The title complex, [Mn（DPPZ）（PZDC）（H2O）] 1 （DPPZ = dipyrido[3,2 -a：2＇,3＇- c]phenazine and H2PZDC = pyrazine-2,3-dicarboxylic acid）, has been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction, elemental analyses, IR, TG- DTA and magnetic susceptibility measurement. It crystallizes in triclinic, space group P1^- with a = 6.6842（5）, b = 7.5741（6）, c = 20.5755（15）A, α = 90.1160（10）, β = 97.0560（10）, γ = 97.3350（10）°, V= 1025.16（13）A^3, Z = 2, MnC24H14N6O5, Mr= 521.35, Dc= 1.689 g/cm^3, F（000） = 530, μ（MoKa） = 0.699 mm^-1, R = 0.0366 and wR = 0.0810. Compound 1 contains one- dimensional chains which are further stacked through π-π interactions to form a 3D supramolecular architecture. The water molecule O（1W） is involved in hydrogen bonding interactions with symmetric carboxylate oxygen atom 0（4） at （x＋ 1, y＋1, z） and symmetric PZDC nitrogen atom N（6） at （1-x, 1-y, 1-z）, which completes the structure of 1. Magnetic susceptibility measurement indicates that the compound behaves a weak antiferromagnetic exchange interaction.展开更多
A mononuclear manganese complex [Mn(2,2′-bipy)(H2O)4]·(m-phth) (2,2′-bipy=2,2′-bipyridine, m-phth=isophthalate) has been synthesized by hydrothermal methods. The crystal structure was determined by single-crys...A mononuclear manganese complex [Mn(2,2′-bipy)(H2O)4]·(m-phth) (2,2′-bipy=2,2′-bipyridine, m-phth=isophthalate) has been synthesized by hydrothermal methods. The crystal structure was determined by single-crystal X-ray diffraction. The crystal is of orthorhombic, space group Pnna with a=0.766 8(8) nm, b=2.050 2(2) nm, c=1.247 0(13) nm, V=1.960 4(4) nm3, Z=4, Mr=447.30, Dc=1.376 g·cm-3, μ=0.722 mm-1, F(000)=924, Rint=0.027 0, R=0.028 0 and wR=0.075 5. In the crystal the manganese atom is six-coordinated by two nitrogen atoms from 2,2′-bipyradine and four oxygen atoms from water molecules, completing an octahedral coordination geometry. The isophthalate molecules are included in the lattice and connected to Mn(2,2′-bipy)(H2O)4 by hydrogen bonding interactions to form a three-dimensional supramolecular structure. CCDC:286965.展开更多
Five manganese complexes of Schiff b ase were synthesized:[Mn Ⅳ,Ⅳ (μ-O)(Salen)] 2 ·DMF ·H 2 O(1),[Mn Ⅳ,Ⅳ (μ-O)(5-BrSalen)] 2 ·DMF ·0.5H 2 O(2),[Mn Ⅳ,Ⅳ (μ-O)]al(1,2-pn)[nr 2 ·H 2 O(3),...Five manganese complexes of Schiff b ase were synthesized:[Mn Ⅳ,Ⅳ (μ-O)(Salen)] 2 ·DMF ·H 2 O(1),[Mn Ⅳ,Ⅳ (μ-O)(5-BrSalen)] 2 ·DMF ·0.5H 2 O(2),[Mn Ⅳ,Ⅳ (μ-O)]al(1,2-pn)[nr 2 ·H 2 O(3),]Mn Ⅳ,Ⅳ (μ-O)[5-Br-Sal(1,2-pn)]r 2 ·H 2 O(4),[Mn Ⅳ,Ⅳ (μ-O)]5-CH 3 -Sal(1,2-pn)5-CH 3 -Sal(1,2-pn)[ 2 ·2H 2 O(5),and were characterized by element analysis,IR and UV-Vis spec tra.The results of cyclic voltammogram show that Schiff base ligands can drop the potential of manganese and s teady high oxide state of manganese.The magnetic properties of1and3have also been studied.The results show t hat there is a weak ferromagneticall y coupling of Mn Ⅳ2 pair at room and low temperature,and the interactions o f complex3are weaker than complex1.展开更多
The manganese(Ⅲ) complex [Mn (acacen) {N (CN)2}]n [H2acacen =bis (acetylacetone)ethylenediimine] has been synthesized and the structure has been determined. The complex forms a one-dimensional chain structure via the...The manganese(Ⅲ) complex [Mn (acacen) {N (CN)2}]n [H2acacen =bis (acetylacetone)ethylenediimine] has been synthesized and the structure has been determined. The complex forms a one-dimensional chain structure via the bidentate bridge ligandμ1,5-[N(CN)2]- linking [Mn(acacen)] moiety. The magnetic property of the compound (75～300 K) shows the existence of an antiferromagnetic exchange interaction among paramagnetic centers along the chain. CCDC: 244940.展开更多
In this paper, a novel polymeric complex [MnNa（Salicylate）2（CH3OH）（H2O）]n·0.5nH2O was obtained and characterized by IR spectra, elemental analysis and single crystal X-ray diffraction. The titled complex is...In this paper, a novel polymeric complex [MnNa（Salicylate）2（CH3OH）（H2O）]n·0.5nH2O was obtained and characterized by IR spectra, elemental analysis and single crystal X-ray diffraction. The titled complex is crystallized in triclinic system, space group P1 with a=0.763 82（15） nm, b= 1.037 1（2） nm, c=1.290 9（3） nm, α= 103.59（3）°, β=104.65（3）°, γ=109.50（3）°, V=0.873 6（3） nm 3, Z=2, Dc=1.556 Mg/m 3, Mr=409.20, μ=0.823 mm -1, F（000）=418, R=0.0614, wR= 0.147 6. The activity in catalyzing the superoxygen anionic free radical dismutation was determinated.展开更多
基金Supported by the Institute Foundation of Siping City (No.2009011)
文摘A new coordination polymer, [Mn（L）（1,4-bdc）] （L = 11-fluoro-dipyrido[3,2- a：2＂,3 ＂- c]phenazine, 1,4-bdc - benzene-1,4-dicarboxylate）, has been synthesized through the hydrothermal method and characterized by elemental analysis, IR and single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.7544（9）, b = 10.8254（10）, c = 11.5288（10） A, a = 114.1300（10）, β = 96.6110（10）, y = 105.0390（10）°, V= 1038.62（16）/k3, Z= 2, C26H13FMnN404, Mr = 519.34, Dc = 1.661 g/cm3, F（000） = 526, ,u（MoKa） = 0.691 mm^-, R = 0.0405 and wR = 0.0977. The 1,4-bdc dianions link the neighboring Mn（II） atoms to yield a two-dimensional layer structure. The L ligands are attached on both sides of the layer. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture.
文摘A one-dimensional double-chain coordination polymer [Mn(phen)(tsgluo)] was synthesized in a mixed solution and its crystal structure was determined by X-ray diffraction method. It crystallizes in orthorhombic system with space group P212121. The crystal data are: a=0.530 78(17) nm, b=1.723 9(5) nm, c=2.456 9(8) nm, Z=4, μ=0.729 mm-1, Dc=1.579 g·cm-3, V=2.248 1(12) nm3, R1=0.033 1, ωR2=0.078 9. In the title complex, each Mn(Ⅱ) ion presents a octahedral geometry with the coordination of two nitrogen atoms from 1,10-phenanthroline and four oxygen atoms from three different tsgluo2- ligands. The γ-carboxyl coordinates to Mn(Ⅱ) in the mode of bidentate chelate, while the α-carboxyl coordinates in a bidentate bridging mode. CCDC: 253910.
基金The project was supported by the Natural Science Foundation of Jilin Province (No. 20060516)the Doctoral Foundation of Jilin Normal University (No. 2006006)+1 种基金the Science and Technology Institute Foundation of Siping City (No. 2005016)the Subject and Base Construction Foundation of Jilin Normal University (No. 2006041)
文摘The title complex, [Mn（DPPZ）（PZDC）（H2O）] 1 （DPPZ = dipyrido[3,2 -a：2＇,3＇- c]phenazine and H2PZDC = pyrazine-2,3-dicarboxylic acid）, has been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction, elemental analyses, IR, TG- DTA and magnetic susceptibility measurement. It crystallizes in triclinic, space group P1^- with a = 6.6842（5）, b = 7.5741（6）, c = 20.5755（15）A, α = 90.1160（10）, β = 97.0560（10）, γ = 97.3350（10）°, V= 1025.16（13）A^3, Z = 2, MnC24H14N6O5, Mr= 521.35, Dc= 1.689 g/cm^3, F（000） = 530, μ（MoKa） = 0.699 mm^-1, R = 0.0366 and wR = 0.0810. Compound 1 contains one- dimensional chains which are further stacked through π-π interactions to form a 3D supramolecular architecture. The water molecule O（1W） is involved in hydrogen bonding interactions with symmetric carboxylate oxygen atom 0（4） at （x＋ 1, y＋1, z） and symmetric PZDC nitrogen atom N（6） at （1-x, 1-y, 1-z）, which completes the structure of 1. Magnetic susceptibility measurement indicates that the compound behaves a weak antiferromagnetic exchange interaction.
文摘A mononuclear manganese complex [Mn(2,2′-bipy)(H2O)4]·(m-phth) (2,2′-bipy=2,2′-bipyridine, m-phth=isophthalate) has been synthesized by hydrothermal methods. The crystal structure was determined by single-crystal X-ray diffraction. The crystal is of orthorhombic, space group Pnna with a=0.766 8(8) nm, b=2.050 2(2) nm, c=1.247 0(13) nm, V=1.960 4(4) nm3, Z=4, Mr=447.30, Dc=1.376 g·cm-3, μ=0.722 mm-1, F(000)=924, Rint=0.027 0, R=0.028 0 and wR=0.075 5. In the crystal the manganese atom is six-coordinated by two nitrogen atoms from 2,2′-bipyradine and four oxygen atoms from water molecules, completing an octahedral coordination geometry. The isophthalate molecules are included in the lattice and connected to Mn(2,2′-bipy)(H2O)4 by hydrogen bonding interactions to form a three-dimensional supramolecular structure. CCDC:286965.
文摘Five manganese complexes of Schiff b ase were synthesized:[Mn Ⅳ,Ⅳ (μ-O)(Salen)] 2 ·DMF ·H 2 O(1),[Mn Ⅳ,Ⅳ (μ-O)(5-BrSalen)] 2 ·DMF ·0.5H 2 O(2),[Mn Ⅳ,Ⅳ (μ-O)]al(1,2-pn)[nr 2 ·H 2 O(3),]Mn Ⅳ,Ⅳ (μ-O)[5-Br-Sal(1,2-pn)]r 2 ·H 2 O(4),[Mn Ⅳ,Ⅳ (μ-O)]5-CH 3 -Sal(1,2-pn)5-CH 3 -Sal(1,2-pn)[ 2 ·2H 2 O(5),and were characterized by element analysis,IR and UV-Vis spec tra.The results of cyclic voltammogram show that Schiff base ligands can drop the potential of manganese and s teady high oxide state of manganese.The magnetic properties of1and3have also been studied.The results show t hat there is a weak ferromagneticall y coupling of Mn Ⅳ2 pair at room and low temperature,and the interactions o f complex3are weaker than complex1.
文摘The manganese(Ⅲ) complex [Mn (acacen) {N (CN)2}]n [H2acacen =bis (acetylacetone)ethylenediimine] has been synthesized and the structure has been determined. The complex forms a one-dimensional chain structure via the bidentate bridge ligandμ1,5-[N(CN)2]- linking [Mn(acacen)] moiety. The magnetic property of the compound (75～300 K) shows the existence of an antiferromagnetic exchange interaction among paramagnetic centers along the chain. CCDC: 244940.
文摘In this paper, a novel polymeric complex [MnNa（Salicylate）2（CH3OH）（H2O）]n·0.5nH2O was obtained and characterized by IR spectra, elemental analysis and single crystal X-ray diffraction. The titled complex is crystallized in triclinic system, space group P1 with a=0.763 82（15） nm, b= 1.037 1（2） nm, c=1.290 9（3） nm, α= 103.59（3）°, β=104.65（3）°, γ=109.50（3）°, V=0.873 6（3） nm 3, Z=2, Dc=1.556 Mg/m 3, Mr=409.20, μ=0.823 mm -1, F（000）=418, R=0.0614, wR= 0.147 6. The activity in catalyzing the superoxygen anionic free radical dismutation was determinated.
