A dinuclear Cd(Ⅱ) complex [Cd2(N3)2L2Cl2]2·H2O(1) [L=4'-(4-cyanophenyl)-2,2'∶6',2″-terpyridine] was synthesized by reaction of ligand L with CdCl2 and NaN3 using solvothermal method and its structure was determined by X-ray crystal structure analysis. The structure indicates that the complex crystallizes in monoclinic, space group C2/c with a=1.644 5(16) nm, b=1.441 9(12) nm, c=1.918 1(18) nm, β=100.349(11)°. V=4 474(7) nm3, Z=2, Dc=1.570 Mg·m-3, μ=1.120 mm-1, F(000)=2 100, and final R1=0.039 3, wR2=0.081 1. The result shows a Cd(Ⅱ) ion was six-coordinated by a tridentate 4'-(4-cyanophenyl)-2,2'∶6',2″-terpyridine ligand and one bridging nitrogen atom of the azide group in the basal position and an chloride atom and the other bridging nitrogen atom of the azide group in the axialone, to form a distorted octahedral-pyramidal geometry. CCDC: 673291.
A dinuclear Mn(Ⅱ) complex [Mn2L2(μ-Cl)2Cl2(H2O)2](1) was synthesized by reaction of ligand L with MnCl2.4H2O and its structure was determined by X-ray crystal structure analysis.The structure indicates that the complex crystallizes in monoclinic,space group C2/c with a=2.018 0(15) nm,b=0.894 0(6) nm,c=1.932 1(14) nm,β=97.506(12)°.V=3 456(4) nm3,Z=4,Dc=1.515 Mg.m-3,μ=1.081 mm-1,F(000)=1 608,and final R1=0.043 8,wR2= 0.109 9.The result shows a Mn(Ⅱ) ion was six-coordinated by a bidentate 3-methyl-4-(p-methylphenyl)-5-(2-pyridyl)-1,2,4-triazole,one chlorine and one bridging chlorine atom in the basal positions and one chloride atom and one water molecule in the axial one,to form a distorted octahedral-pyramidal geometry.
A dinuclear Cu(Ⅱ) complex [Cu2(MMBPT)2Cl4(H2O)2.5] (I) [MMBPT=3-Methyl-4-(4-Methylphenyl)-5-(2-pyridyl)-1,2,4-triazole] was synthesized by reaction of MMBPT with CuCl2.2H2O and its structure was determined by X-ray crystal structure analysis. The structure indicates that the complex crystallizes in monoclinic,space group P21/c with a=1.273 4(3) nm,b=1.237 5(3) nm,c=2.403 2(5) nm,β=90.51(3)°. V=3.786 6(13) nm3,Z=2,Dc=1.429 Mg.m-3,μ=1.445 mm-1,F(000)=1 660,and final R1=0.055 5,wR2=0.129 7. The crystal structure shows that the dinuclear Cu2N6 unit is almost planar in which each Cu(Ⅱ)ion was five-coordinated by one nitrogen atoms from MMBPT and two chlorine in the basal positions and two nitrogen atoms from two MMBPTs respectively in the axial one,to form a distorted trigonal bipyramidal geometry. Magnetic measurements reveal a relatively strong antiferromagentic interaction in the complex. CCDC:720011.
The Copper (Ⅰ) complex [Cu(tpy)(CN)]n [L=4'-(4-cyanophenyl)-2,2'∶6',2″-terpyridine ] has been synthe-sized by reaction of ligand L with CuCN using solvothermal method and characterized by IR,elemental analysis and X-ray diffraction single-crystal structure analysis. The crystal structure indicates that the complex crystallizes in monoclinic system,space group P21/c with a=0.884 45(18) nm,b=0.819 55(16) nm,c=2.702 90(7) nm,β=102.780 (3)°,V=1.910 7(7) nm3,Z=4,Dc=1.495 g.cm-3,F(000)=864.0,R1=0.059 3,wR2=0.123 3. The Cu(Ⅰ) ion in the title complex has a slightly distorted tetrahedron coordination geometry. Each Cu+ is coordinated with two nitrogen atoms from two pyridine ring of 4'-(4-cyanophenyl)-2,2'∶6',2″-terpyridine,and then linked by two CN-ligands with neighbor Cu+ forming a zigzag infinite one-dimensional chain structure. CCDC:686952.
