A trinuclear copper complex [Cu_(3)(L2)_(2)(SO_(4))_(2)(H_(2)O)_(7)]·8H_(2)O(1)(HL2=1-hydroxy-3-(pyrazin-2-yl)-N-(pyrazin-2-ylmethyl)imidazo[1,5-a]pyrazine-8-carboxamide) with a multi-substituted imidazo[1,5-a]py...A trinuclear copper complex [Cu_(3)(L2)_(2)(SO_(4))_(2)(H_(2)O)_(7)]·8H_(2)O(1)(HL2=1-hydroxy-3-(pyrazin-2-yl)-N-(pyrazin-2-ylmethyl)imidazo[1,5-a]pyrazine-8-carboxamide) with a multi-substituted imidazo[1,5-a]pyrazine scaffold was serendipitously prepared from the reaction of the pro-ligand of H_(2)L1(N,N'-bis(pyrazin-2-ylmethyl)pyrazine-2,3-dicarboxamide) with CuSO_(4)·5H_(2O) in aqueous solution at room temperature.Complex 1 was characterized by IR,single-crystal X-ray analysis,and magnetic susceptibility measurements.Single-crystal X-ray analysis reveals that the complex consists of three Cu(Ⅱ) ions,two in situ transformed L2~-ligands,two coordinated sulfates,seven coordinated water molecules,and eight uncoordinated water molecules.Magnetic susceptibility measurement indicates that there are obvious ferromagnetic coupling interactions between the adjacent Cu(Ⅱ) ions in 1.CCDC:1852713.展开更多
Reactions of CuBr with equimolar PyHBr orγMePyHBr afforded two novel one dimensional bromocuprate?polymers{(PyH)_(3)[Cu_(3)Br_(6)]}_(∞)(1)and{(γMePyH)_(2)[Cu_(2)Br_(4)]}_(∞)(2),respectively.Both 1 and 2 were chara...Reactions of CuBr with equimolar PyHBr orγMePyHBr afforded two novel one dimensional bromocuprate?polymers{(PyH)_(3)[Cu_(3)Br_(6)]}_(∞)(1)and{(γMePyH)_(2)[Cu_(2)Br_(4)]}_(∞)(2),respectively.Both 1 and 2 were characterized by IR,elemental analysis,and X ray crystallography.Crystal data for 1:monoclinic,space group P2_(1)/n,a=0.93262(12)nm,b=1.3497(2)nm,c=1.9149(2)nm,β=93.465(7)°,V=2.4060(5)nm^(3),Z=4.Crystal data for 2:orthorhombic,space group Pbcm,a=0.8659(4)nm,b=1.5669(6)nm,c=1.2849(5)nm,V=1.7432(2)nm^(3),Z=4.The structure of 1 has a unique helical chain composed of units andμbromide anions while that of 2 shows a linear chain consisted of[Cu_(2)(μBr)_(2)]units bridged by pairs ofμBr atoms.CCDC:1,208412;2,208413.展开更多
A Cu(Ⅰ) complex [Cu(INHPy)(PPh3)2] ·(ClO4)·0.75(C2H5OH) was obtained through self-assembly between [Cu(PPh3)2(MeCN)2]ClO4 and Schiff base 2-pyridylcarboxaldehyde isonicotinoyl hadrazone(INHPy), the structur...A Cu(Ⅰ) complex [Cu(INHPy)(PPh3)2] ·(ClO4)·0.75(C2H5OH) was obtained through self-assembly between [Cu(PPh3)2(MeCN)2]ClO4 and Schiff base 2-pyridylcarboxaldehyde isonicotinoyl hadrazone(INHPy), the structure of which was characterized by elemental analysis, IR spectrum and X-ray diffraction. Single crystal X-ray analysis indicates that this compound crystallizes in triclinic system, space group P1 with parameters: a=1.180 7(2) nm, b=1.330 0(3) nm, c=1.568 6(2) nm. 1.332 g穋m-3, F(000)=1 032, 腎=0.804+23.770C, r=0.995). CCDC: 231388.展开更多
A metal-organic Complex [Cu2(ipt)(Medpq)2]n(ipt=isophthalic acid,Medpq=2-methyldipyrido[3,2-f:2′,3′-h]quinoxaline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectr...A metal-organic Complex [Cu2(ipt)(Medpq)2]n(ipt=isophthalic acid,Medpq=2-methyldipyrido[3,2-f:2′,3′-h]quinoxaline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.Title compound crystallizes in the monoclinic system,space group C2/c,with a=2.389 2(6) nm,b=0.709 60(18) nm,c=1.922 2(5) nm,β=108.655(3),V=3.087 8(14) nm3,C38H24Cu2 N8O4,Mr=783.73,Dc=1.686 g.cm-3,Z=4,the final R=0.055 4 and wR=0.128 5.In the crystal structure,the copper atom is three-coordinated with one carboxylate oxygen atom from carboxylate groups and two nitrogen atoms from Medpq ligand,showing a slightly distorted triangle geometry.Furthermore,it exhibits a zero-dimensional structure with ipt-Cu-medpq as building units.CCDC: 747544.展开更多
At room temperature,the copper(Ⅰ) complex [(PPh 3) 2Cu(C 7H 4NO 4)](C 7H 4NO 4=2,3 dicarboxylic acid pyridine)was obtained by treating [(PPh 3) 2Cu(BH 4)] with 2,3 dicarboxylic acid pyridine in the mixed solvent of e...At room temperature,the copper(Ⅰ) complex [(PPh 3) 2Cu(C 7H 4NO 4)](C 7H 4NO 4=2,3 dicarboxylic acid pyridine)was obtained by treating [(PPh 3) 2Cu(BH 4)] with 2,3 dicarboxylic acid pyridine in the mixed solvent of ethanol and dichloromethane.This complex was further characterized by physicochemical and spectroscopic methods.The structure of this complex was also determined by X ray structure analysis.The crystal is triclinic,space group P 1 with parameters a=11 130(2)?,b=12 960(3)?,c=13 420(3)?;α=79 38(3)°,β=75 55(3)°,γ=80 36(3)°,V=1827 4(6)? 3,Z=2,F(000)=780,D calc. =1 371g/cm 3,R=0 0371,and R w=0 1204.The results show that PPh 3 coordinates as monodentate ligand to the Cu(Ⅰ) atoms,and 2,3 dicarboxylic acid pyridine behaves as a bidentate ligand in the prepared complex.Hence,each copper atom had a CuP 2NO tetrahedron coordination skeleton.展开更多
At room temperature, the reducing reaction between the bis(diphenylphosphino)butane (dppb) ligand and the compound (tfac=2-thenoyltrifluoroacetone) gave luminescent copper complex [Cu(dppb)(tfac)]2. They have been cha...At room temperature, the reducing reaction between the bis(diphenylphosphino)butane (dppb) ligand and the compound (tfac=2-thenoyltrifluoroacetone) gave luminescent copper complex [Cu(dppb)(tfac)]2. They have been characterized by physicochemical and spectroscopic methods. Crystal structure of the title complex shows that 2-thenoyltrifluoroacetone behaves as chelating ligand and dppb coordinates as bridging bidentate ligand to Cu atoms in the newly prepared copper complex. The crystal is monoclinic, space group P21/n, with cell parameters a = 1.031 0(2) nm, b = 1.873 0(4) nm, c = 1.763 0(4) nm, β = 95.10(3)°, Z = 4, V = 3.391 0(12) nm3, R = 0.060 3, wR = 0.143 4. CCDC: 228393.展开更多
文摘A trinuclear copper complex [Cu_(3)(L2)_(2)(SO_(4))_(2)(H_(2)O)_(7)]·8H_(2)O(1)(HL2=1-hydroxy-3-(pyrazin-2-yl)-N-(pyrazin-2-ylmethyl)imidazo[1,5-a]pyrazine-8-carboxamide) with a multi-substituted imidazo[1,5-a]pyrazine scaffold was serendipitously prepared from the reaction of the pro-ligand of H_(2)L1(N,N'-bis(pyrazin-2-ylmethyl)pyrazine-2,3-dicarboxamide) with CuSO_(4)·5H_(2O) in aqueous solution at room temperature.Complex 1 was characterized by IR,single-crystal X-ray analysis,and magnetic susceptibility measurements.Single-crystal X-ray analysis reveals that the complex consists of three Cu(Ⅱ) ions,two in situ transformed L2~-ligands,two coordinated sulfates,seven coordinated water molecules,and eight uncoordinated water molecules.Magnetic susceptibility measurement indicates that there are obvious ferromagnetic coupling interactions between the adjacent Cu(Ⅱ) ions in 1.CCDC:1852713.
文摘Reactions of CuBr with equimolar PyHBr orγMePyHBr afforded two novel one dimensional bromocuprate?polymers{(PyH)_(3)[Cu_(3)Br_(6)]}_(∞)(1)and{(γMePyH)_(2)[Cu_(2)Br_(4)]}_(∞)(2),respectively.Both 1 and 2 were characterized by IR,elemental analysis,and X ray crystallography.Crystal data for 1:monoclinic,space group P2_(1)/n,a=0.93262(12)nm,b=1.3497(2)nm,c=1.9149(2)nm,β=93.465(7)°,V=2.4060(5)nm^(3),Z=4.Crystal data for 2:orthorhombic,space group Pbcm,a=0.8659(4)nm,b=1.5669(6)nm,c=1.2849(5)nm,V=1.7432(2)nm^(3),Z=4.The structure of 1 has a unique helical chain composed of units andμbromide anions while that of 2 shows a linear chain consisted of[Cu_(2)(μBr)_(2)]units bridged by pairs ofμBr atoms.CCDC:1,208412;2,208413.
文摘A Cu(Ⅰ) complex [Cu(INHPy)(PPh3)2] ·(ClO4)·0.75(C2H5OH) was obtained through self-assembly between [Cu(PPh3)2(MeCN)2]ClO4 and Schiff base 2-pyridylcarboxaldehyde isonicotinoyl hadrazone(INHPy), the structure of which was characterized by elemental analysis, IR spectrum and X-ray diffraction. Single crystal X-ray analysis indicates that this compound crystallizes in triclinic system, space group P1 with parameters: a=1.180 7(2) nm, b=1.330 0(3) nm, c=1.568 6(2) nm. 1.332 g穋m-3, F(000)=1 032, 腎=0.804+23.770C, r=0.995). CCDC: 231388.
文摘A metal-organic Complex [Cu2(ipt)(Medpq)2]n(ipt=isophthalic acid,Medpq=2-methyldipyrido[3,2-f:2′,3′-h]quinoxaline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.Title compound crystallizes in the monoclinic system,space group C2/c,with a=2.389 2(6) nm,b=0.709 60(18) nm,c=1.922 2(5) nm,β=108.655(3),V=3.087 8(14) nm3,C38H24Cu2 N8O4,Mr=783.73,Dc=1.686 g.cm-3,Z=4,the final R=0.055 4 and wR=0.128 5.In the crystal structure,the copper atom is three-coordinated with one carboxylate oxygen atom from carboxylate groups and two nitrogen atoms from Medpq ligand,showing a slightly distorted triangle geometry.Furthermore,it exhibits a zero-dimensional structure with ipt-Cu-medpq as building units.CCDC: 747544.
文摘At room temperature,the copper(Ⅰ) complex [(PPh 3) 2Cu(C 7H 4NO 4)](C 7H 4NO 4=2,3 dicarboxylic acid pyridine)was obtained by treating [(PPh 3) 2Cu(BH 4)] with 2,3 dicarboxylic acid pyridine in the mixed solvent of ethanol and dichloromethane.This complex was further characterized by physicochemical and spectroscopic methods.The structure of this complex was also determined by X ray structure analysis.The crystal is triclinic,space group P 1 with parameters a=11 130(2)?,b=12 960(3)?,c=13 420(3)?;α=79 38(3)°,β=75 55(3)°,γ=80 36(3)°,V=1827 4(6)? 3,Z=2,F(000)=780,D calc. =1 371g/cm 3,R=0 0371,and R w=0 1204.The results show that PPh 3 coordinates as monodentate ligand to the Cu(Ⅰ) atoms,and 2,3 dicarboxylic acid pyridine behaves as a bidentate ligand in the prepared complex.Hence,each copper atom had a CuP 2NO tetrahedron coordination skeleton.
文摘At room temperature, the reducing reaction between the bis(diphenylphosphino)butane (dppb) ligand and the compound (tfac=2-thenoyltrifluoroacetone) gave luminescent copper complex [Cu(dppb)(tfac)]2. They have been characterized by physicochemical and spectroscopic methods. Crystal structure of the title complex shows that 2-thenoyltrifluoroacetone behaves as chelating ligand and dppb coordinates as bridging bidentate ligand to Cu atoms in the newly prepared copper complex. The crystal is monoclinic, space group P21/n, with cell parameters a = 1.031 0(2) nm, b = 1.873 0(4) nm, c = 1.763 0(4) nm, β = 95.10(3)°, Z = 4, V = 3.391 0(12) nm3, R = 0.060 3, wR = 0.143 4. CCDC: 228393.
