Crystal structure of nickel(Ⅱ) complex with a new mesocyclic diamineligand, 3-hydroxy1-1, 5-diazacycloheptane, C10H24N41NiO2Br2. 2H2O, Mr=486. 9 is reported. It crystallizes in monoclinic P21/c with a=7. 167 (1 ), b=...Crystal structure of nickel(Ⅱ) complex with a new mesocyclic diamineligand, 3-hydroxy1-1, 5-diazacycloheptane, C10H24N41NiO2Br2. 2H2O, Mr=486. 9 is reported. It crystallizes in monoclinic P21/c with a=7. 167 (1 ), b=13. 794 (3 ), c =9. 726 (3),β=109.42(2)°, V= 906. 8 (4) , Z= 2, Dc= 1.783g/cm3, μ=5. 477mm-1, F(000) =492. The final R and Rw are 0.045 and 0.045 for 1155 observedreflections with I≥4. 0σ(I). The result of X-ray structure determination shows thatnickel (Ⅱ) forms an octahedral bicyclic complex with 3-hydroxy1-1, 5-diazacycloheptane.展开更多
Crystal structure of the title mesocyclic diamine has been determinedby X-ray diffraction analysis. The crystal belongs to triclinic system, space group P1,with crystallographic parameters C6H14N2O2. 2HBr. EtOH, Mr= 3...Crystal structure of the title mesocyclic diamine has been determinedby X-ray diffraction analysis. The crystal belongs to triclinic system, space group P1,with crystallographic parameters C6H14N2O2. 2HBr. EtOH, Mr= 354. 08, a= 7. 813(4), b=8. 109(5), c=11. 153(5) ,a=82. 50(7),β=81. 60(4),γ=75. 53(8)°, V= 673. 5 (7) , Z= 2, Dc= 1. 519g. cm-3,μ= 59. 364 cm-1 (MoKa), F(000) =356, R=0. 082,R.= 0. 095 for 2550 observed reflections with I≥3σ(I). The determination suggests that the molecular ring is folded to make the conformation look like acrown.展开更多
Crystal structure of copper(Ⅱ) complex with a new mesocyclic diamine ligand 3-hydroxyl-1, 5-diazacyclooctane, Cu [C_(12)H_(28)N_4O_2]Br_2, M_r= 483. 7 is reported. It crystallizes in orthorhombic Pbca with a= 16. 201...Crystal structure of copper(Ⅱ) complex with a new mesocyclic diamine ligand 3-hydroxyl-1, 5-diazacyclooctane, Cu [C_(12)H_(28)N_4O_2]Br_2, M_r= 483. 7 is reported. It crystallizes in orthorhombic Pbca with a= 16. 201 (5), b=10. 513 (4), c=9. 992(4) A, V=1701. 8(7) A￣3, Z=4, D_c=1. 888 g/cm￣3, μ=49. 5 cm￣(-1) (MoKa),F(000) = 972. The final R and Rto are 0. 039 and 0. 047 for 1052 observed reflections with I≥3σ(I). The result of X-ray structure determination shows that 3hydroxyl-1,5-diazacyclooctane forms a 2 :1 complex with CuBr_2 in which the central copper ion is sandwiched between the two ligands.展开更多
Crystal structure of the title compound C5H12N2O·2HBr has been determined by X-ray diffraction method.The crystallographic data are as follows: Mr=278.00,orthorhombic,space group P212121,a=7.726(3),b=9.337(1),c=1...Crystal structure of the title compound C5H12N2O·2HBr has been determined by X-ray diffraction method.The crystallographic data are as follows: Mr=278.00,orthorhombic,space group P212121,a=7.726(3),b=9.337(1),c=12.702(2)A,V=916.3(7) A3, Z=4,Dc=2.015g.cm-3,μ=87. 084 cm-1(MoKa),F(000)=634.6,R=0.078,Rw=0. 099 for 1169 observed reflections with I≥3σ(I) It is confirmed by the determination that the conformation of the title compound is rather like a crown than regular chair or boat form.展开更多
Two novel cyclic polyamine derivatives bearing double aminoethyl groups have been synthesized. The synthetic intermediate, N-p-toluenesulfonyl-aziridine, was prepared employing an improved procedure.
The crystal structure of Ni(Ⅱ) complex with 3-hydroxyl-1, 5-diazacycloheptane-N, N'-diacetate was determined by X-ray diffraction method. Crystal data for Ni2 (C9H14N2O5)2·2H2O: monoclinic, space group P21/n...The crystal structure of Ni(Ⅱ) complex with 3-hydroxyl-1, 5-diazacycloheptane-N, N'-diacetate was determined by X-ray diffraction method. Crystal data for Ni2 (C9H14N2O5)2·2H2O: monoclinic, space group P21/n, a = 1.1717(5), b = 0.9794(3), c = 1.2971(2) nm, β= 96.62(3), V= 1.4786(7) nm3, Dc = 1.377 g/cm3, Z = 2,μ=13.321 cm-1 (Mo-Kα), F(000)=640. The final R and Rw are 0.075 and 0.089 respectively. The Ni(Ⅱ) ion forms 2:2 complex with ligand. Two ligands are bridged by two Ni(Ⅱ) atoms which are bridged by two O atoms. Every Ni(Ⅱ) is coordinated by two N atoms and four 0 atoms. The coordination polyhedron of the Ni(Ⅱ) ion is a distorted octahedron.展开更多
文摘Crystal structure of nickel(Ⅱ) complex with a new mesocyclic diamineligand, 3-hydroxy1-1, 5-diazacycloheptane, C10H24N41NiO2Br2. 2H2O, Mr=486. 9 is reported. It crystallizes in monoclinic P21/c with a=7. 167 (1 ), b=13. 794 (3 ), c =9. 726 (3),β=109.42(2)°, V= 906. 8 (4) , Z= 2, Dc= 1.783g/cm3, μ=5. 477mm-1, F(000) =492. The final R and Rw are 0.045 and 0.045 for 1155 observedreflections with I≥4. 0σ(I). The result of X-ray structure determination shows thatnickel (Ⅱ) forms an octahedral bicyclic complex with 3-hydroxy1-1, 5-diazacycloheptane.
文摘Crystal structure of the title mesocyclic diamine has been determinedby X-ray diffraction analysis. The crystal belongs to triclinic system, space group P1,with crystallographic parameters C6H14N2O2. 2HBr. EtOH, Mr= 354. 08, a= 7. 813(4), b=8. 109(5), c=11. 153(5) ,a=82. 50(7),β=81. 60(4),γ=75. 53(8)°, V= 673. 5 (7) , Z= 2, Dc= 1. 519g. cm-3,μ= 59. 364 cm-1 (MoKa), F(000) =356, R=0. 082,R.= 0. 095 for 2550 observed reflections with I≥3σ(I). The determination suggests that the molecular ring is folded to make the conformation look like acrown.
文摘Crystal structure of copper(Ⅱ) complex with a new mesocyclic diamine ligand 3-hydroxyl-1, 5-diazacyclooctane, Cu [C_(12)H_(28)N_4O_2]Br_2, M_r= 483. 7 is reported. It crystallizes in orthorhombic Pbca with a= 16. 201 (5), b=10. 513 (4), c=9. 992(4) A, V=1701. 8(7) A￣3, Z=4, D_c=1. 888 g/cm￣3, μ=49. 5 cm￣(-1) (MoKa),F(000) = 972. The final R and Rto are 0. 039 and 0. 047 for 1052 observed reflections with I≥3σ(I). The result of X-ray structure determination shows that 3hydroxyl-1,5-diazacyclooctane forms a 2 :1 complex with CuBr_2 in which the central copper ion is sandwiched between the two ligands.
文摘Crystal structure of the title compound C5H12N2O·2HBr has been determined by X-ray diffraction method.The crystallographic data are as follows: Mr=278.00,orthorhombic,space group P212121,a=7.726(3),b=9.337(1),c=12.702(2)A,V=916.3(7) A3, Z=4,Dc=2.015g.cm-3,μ=87. 084 cm-1(MoKa),F(000)=634.6,R=0.078,Rw=0. 099 for 1169 observed reflections with I≥3σ(I) It is confirmed by the determination that the conformation of the title compound is rather like a crown than regular chair or boat form.
基金Project (No. 29502010) supported by the National Natural Science Foundation of China
文摘Two novel cyclic polyamine derivatives bearing double aminoethyl groups have been synthesized. The synthetic intermediate, N-p-toluenesulfonyl-aziridine, was prepared employing an improved procedure.
文摘The crystal structure of Ni(Ⅱ) complex with 3-hydroxyl-1, 5-diazacycloheptane-N, N'-diacetate was determined by X-ray diffraction method. Crystal data for Ni2 (C9H14N2O5)2·2H2O: monoclinic, space group P21/n, a = 1.1717(5), b = 0.9794(3), c = 1.2971(2) nm, β= 96.62(3), V= 1.4786(7) nm3, Dc = 1.377 g/cm3, Z = 2,μ=13.321 cm-1 (Mo-Kα), F(000)=640. The final R and Rw are 0.075 and 0.089 respectively. The Ni(Ⅱ) ion forms 2:2 complex with ligand. Two ligands are bridged by two Ni(Ⅱ) atoms which are bridged by two O atoms. Every Ni(Ⅱ) is coordinated by two N atoms and four 0 atoms. The coordination polyhedron of the Ni(Ⅱ) ion is a distorted octahedron.
