A New Two-dimensional Cadmium(Ⅱ) Coordination Polymer Constructed by 1,10-Phenanthroline Derivative and Flexible Dicarboxylate:Syntheses,Structure,Thermal Behavior and Luminescence

In this work,a new two-dimensional Cd(Ⅱ) coordination polymer,[Cd3(L)2(cis-1,4-chdc)2(trans-1,4-chdc)](1,L = 11-fluoro-dipyrido[3,2-a:2’,3‘-c]phenazine and 1,4-H2 chdc = 1,4-cyclohexanedicarboxylatic acid),has been prepared under hydrothermal conditions.It crystallizes in triclinic,space group P1 with a = 8.6951(8),b = 10.8362(9),c = 14.9445(13) ?,α = 76.443(2),β = 81.8670(10),γ = 82.0640(10)°,V = 1347.0(2) ?3,Z = 1,C60H48Cd3F2N8O12,Mr = 1448.26,Dc = 1.785 g/cm3,F(000) = 722,μ(Mo Ka) = 1.255 mm-1,R = 0.0333 and w R = 0.0790.The 1,4-chdc2-carboxylates bridge the Cd(Ⅱ) cations to form a tri-nuclear Cd(Ⅱ) cluster,which are held together by the cis-1,4-chdc2-ligands to generate a double-stranded chain.Further,the trans-1,4-chdc2-ligands bridge adjacent double-stranded chains to yield an interesting two-dimensional network.The π-π interactions among L ligands of neighboring networks result in an interesting three-dimensional supramolecular architecture.In addition,the thermal behavior and luminescent property of 1 have been studied.     

Synthesis and Crystal Structure of a New Mixed-ligand Nickel（Ⅱ） Coordination Polymer： [Ni（L）（cis-1,4-chdc）]n·1.25nH2O

A new one-dimensional Ni(II) coordination polymer [Ni(L)(cis-1,4- chdc)]n?1.25nH2O has been synthesized under hydrothermal conditions by using 1,4-cyclohexanedicarboxylic acid (1,4-H2chdc) and 2-(3-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline (L). Crystallographic data for the compound: triclinic, space group P with a=8.777(2), b=10.662(2), c=13.799(3), α=89.480(4), β=73.933(3), γ=81.980(4)°, V=1228.2(5)3, Z=2, C27H22.50FN4NiO5.25, Mr=568.70, Dc=1.527 g/cm3, F(000)=583, μ(MoKa)=0.846 mm-1, R=0.0634 and wR=0.1465. Neighboring Ni(II) atoms are linked by the cis-1,4-chdc ligands to generate a one-dimensional chain structure. The π-π interactions between the L ligands of neighboring chains led to the formation of a two-dimensional supramolecular layer. The elemental analysis, IR spectrum and TG of the compound have been studied.     

Synthesis, Structure and Characterization of a New Iron Coordination Polymer： [Fe（L）（trans-l,4-chdc）]n

A novel Fe(Ⅱ) coordination polymer [Fe(L)(trans-1,4-chdc)]n has been hydrothermally synthesized by using 1,4-cyclohexanedicarboxylic acid (1,4-H 2 chdc) and 2-(2-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline (L). Crystallographic data: monoclinic, space group C2/c with a=14.571(5), b=32.389(6), c=10.948(5) , β=115.186(5)°, V=4676(3)3 , Z=8, C27H21FFeN4O4 , Mr=540.33, Dc=1.535 g/cm3 , F(000)=2224, μ(MoKa)=0.697 mm-1 , R=0.0462 and wR =0.1110. The two kinds of trans-1,4-chdc ligands link neighboring Fe(Ⅱ) atoms to yield a two-dimensional layer structure. The π-π interactions between the L ligands of neighboring layers result in a three-dimensional supramolecular architecture. The IR and UV-vis spectra of the compound have been investigated in detail.     

一个新颖的二维锌配位聚合物[Zn(L)(1,4-BDC)]_n的合成、结构和表征(英文)

The title coordination polymer,[Zn (L) (1,4-BDC)]n (1) (L =2-(4-fluorophenyl)-1H-imidazo [4,5-f] [1,10] phenanthroline and 1,4-H2BDC=1,4-benzenedicarboxylic acid) has been synthesized by hydrothermal method and characterized by elemental analysis,IR and single-crystal X-ray diffraction. It crystallizes in triclinic,space group P1 with a=0.970 85(16) nm,b=1.076 98(18) nm,c=1.203 6(2) nm,α=63.894(2)°,β=69.051(2)°,γ=80.427(2)°,V= 1.055 4(3) nm3,Z=2,C27H15FN4O4Zn,Mr=543.80,Dc=1.711 g·cm-3,F(000)=552,μ(Mo Kα)=1.220 mm-1,R=0.037 2 and wR=0.084 4. The 1,4-BDC ligands linked the Zn(Ⅱ) atoms to form a two-dimensional layer structure. The π-π stacking interactions between L ligands extended the adjacent layers into a three-dimensional supramolecular network. Finally,the N-H…O hydrogen bonds further stabilizes the structure of 1.     

Synthesis, Structure and Characterization of a New 1D Coordination Polymer:[Pb(L)(cis-1,4-chdc)]·0.5H2O

A new 1D coordination polymer, [Pb(L)(cis-1,4-chdc)]·0.5H2O (cis-1,4-chdc = 1,4-cyclohexanedicarboxylate and L = 2-(4-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline), has been synthesized under hydrothermal conditions and characterized by elemental analysis, TG and single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.153(5), b = 10.338(5), c = 13.074(5), α = 80.956(5), β = 89.725(5), γ = 80.534(5)°, V = 1204.8(10)3 , Z = 1, C54H44F2N8O9Pb2 , Mr = 1401.35, Dc = 1.931 g/cm3 , F(000) = 678, μ(MoKa) = 7.055 mm-1 , R = 0.0277 and wR = 0.0559. Each cis-1,4-chdc anion coordinates with two Pb(Ⅱ) atoms in a bis-chelating coordination mode. In this way, cis-1,4-chdc anions bridged the neighboring Pb(Ⅱ) atoms to generate a 1D chain structure. The L ligands from neighboring chains are paired through the strong π-π interactions to generate a fascinating 2D supramolecular layer.     

Synthesis,Structure and Photoluminescence of a New Pb(Ⅱ) Coordination Polymer [Pb(1, 4-chdc)(L)]_n·nH_2O Based on a Flexible 1,4-Cyclohexanedicarboxylic Acid

A new Pb(Ⅱ) coordination polymer, [Pb(1,4-chdc)(L)]_n·nH_2O(1), was synthesized under hydrothermal condition(1,4-H2 chdc = 1,4-cyclohexanedicarboxylic acid and L = 2-(3-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline). Its crystal structure was determined by singlecrystal X-ray diffraction. Compound 1 crystallizes in triclinic, space group P1 with a = 9.1182(8), b = 11.3249(10), c = 12.7326(12) ?, α = 77.897(2), β = 81.644(2), γ = 84.491(2)°, V = 1269.0(2) ?~3, Z = 2, C_(27)H_(24)FN_4O_5Pb, M_r = 710.69, D_c = 1.860 g/cm~3, F(000) = 690, μ(MoKa) = 6.701 mm~(-1), R = 0.0349 and wR = 0.0746. In 1, each 1,4-chdc anion bridges two neighboring Pb(Ⅱ) atoms in a bidentate chelating coordination mode to give a chain structure. The L ligands are attached on one side of the chain through chelating the Pb(Ⅱ) atoms, and are stacked with those of an adjacent chain through π-π interactions, yielding a layer structure. The O–H···O and N–H···O hydrogen bonding interactions further stabilize the supramolecular layer structure of 1. Moreover, solid state luminescent property of 1 was also studied.     

Synthesis, Structure and Photoluminescence of a New Cd(Ⅱ)Coordination Polymer Based on 4-(Carboxymethoxy)-benzoic Acid and 1,10-Phenanthroline Derivative

A new 1D coordination polymer, [Cd2(L1)2(L2)2]·H2O (1, H2L1 = 4-(carboxy-methoxy)benzoic acid and L2 = 2-(4-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline), has been hydrothermally synthesized and characterized by elemental analysis and single-crystal X-ray diffraction. It crystallizes in triclinic, space group Pī with a = 9.985(5), b = 10.768(5), c = 12.512(5), α = 68.959(5), β = 80.354(5), γ = 79.663(5)°, V = 1227.4(10) 3, Z = 1, C56H36Cd2F2N8O11, Mr = 1259.73, Dc = 1.704 g/cm3, F(000) = 630, μ(MoKa) = 0.949 mm-1, R = 0.0261 and wR = 0.0655. The L1 anions link the neighboring Cd(II) atoms to form a 1D double chain structure. The L2 ligands are alternately located on both sides of the double chains. More interestingly, the lateral L2 ligands from adjacent double chains are paired to furnish strong π-π interactions, yielding a 2D supramolecular layer. N-H···O, O-H···N and O-H···O hydrogen bonds further stabilize the structure of 1. The luminescent property of 1 was studied in solid state at room temperature.     

Synthesis,Crystal Structure and Photoluminescence of a New Zn(Ⅱ) Dimer Constructed by 1,10-Phenanthroline Derivative and Flexible Dicarboxylate

A new compound,[Zn(L)(1,4-chdc)]2·2H2O(1,1,4-chdc = 1,4-cyclohexanedicarboxylate and L = 11-fluoro-dipyrido[3,2-a:2,3-c]phenazine),has been synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction.The crystal of 1 belongs to triclinic,space group P1 with a = 9.4679(19),b = 10.915(2),c = 12.577(3) ,α = 77.22(3),β = 74.73(3),γ = 65.47(3)°,C52H39F2N8O10Zn2,Mr = 1104.65,V = 1131.4(4) 3,Z = 1,Dc = 1.621 g/cm3,S = 1.091,μ(MoKα) = 1.143 mm–1,F(000) = 565,R = 0.0426 and wR = 0.1171.In 1,two 1,4-chdc anions bridge two Zn(Ⅱ) atoms to form a dimer.The neighboring dimers are further extended by π-π stacking interactions to form a 2D supramolecular layer.The luminescent property of the compound has also been investigated.     

三维超分子化合物[Ag4(L)4](PMBS)4·2H2O的合成、晶体结构和荧光性质

The title compound,[Ag4(L)4](PMBS)4·2H2O (1),where L=2,5-bis (4-pyridyl)-3,4-diaza-2A-hexadiene,PMBS =p-methylbenzenesulfonate was synthesized and its crystal structure was determined by X-ray diffraction structure analysis.The crystal is of triclinic,space group P1 with a=0.820 3(2) nm,b=1.3227(3) nm,c=2.0610(3) nm,α=76.155(2)°,β=78.651 (4)°,γ=89.993(3)°,V=2.126 2(8) nm3,Z=2,Dc= 1.644 g·cm-3,F(000)= 1068,R=0.052 4,wR=0.113 6.The Ag atoms are linear coordinated by two N atoms of two L ligands,while the p-methylben-zenesulfonate molecules are included in the lattice and connected to [Ag(L)]n by hydrogen bonding interactions to form a three-dimensional supramoleculur structure.CCDC:727587.     

{(n-Bu4N)2[Mo2O2S6Cu6Br4(4,4'-bipy)3]·0.5H2O}n的合成与晶体结构

Cluster coordination polymer {(n-Bu4N)2[Mo2O2S6Cu6Br4(4,4'-bipy)3]·0.5H2O)}n (4,4'-bipy=4,4'-bipyridine),has been synthesized and characterized by X-ray crystallography. The polymeric anion {[Mo2O2S6Cu6Br4(4,4'-bipy)3]2-}n is composed of secondary building units (SBUs) [MoOS3Cu3], Br atoms and 4,4'-bipy ligands. Two secondary building units [MoOS3Cu3] and a double parallel 4,4'-bipy ligands form an octanuclear rectangular metallamacrocycle with the dimension of 1.13×0.39 nm2, which is further connected by single bridging 4,4'-bipy ligands to form a 1D zigzag structure. Crystal data for compound 1: C62H97N8O2.50S6Br4Cu6Mo2,M=2 079.68, Triclinic, P1, a=0.982 40 (10) nm, b=1.293 70(10) nm, c=1.737 4(2) nm, α=97.810(10)°,β=101.390(10)°,γ=108.520(10)°, V=2.005 1(4) nm3, Z=2, Dc=1.722 g·cm-3, F(000)= 1039,μ (Mo Kα)=4.055 mm-1, the final R=0.040 7, wR2=0.097 2. CCDC: 236407.     

Synthesis,Structure and Characterization of a New Complex: [Mn(C_6H_(12)N_4)_2(H_2O)_4][Mn(H_2O)_6][SO_4]_2·6H_2O

A novel complex,[Mn(C_6H_(12)N_4)_2(H_2O)_4][Mn(H_2O)_6][SO_4]_2·6H_2O,was synthesized and hexagonal single crystals with centimeter-scale sizes were obtained by the method of solvent evaporation.It was characterized by elemental analysis,infrared spectrum,thermogravimetric analysis and X-ray single-crystal diffraction.The complex belongs to triclinic crystal system,space group P■ with a=9.3390(8),b=13.3520(13),c=16.3207(13)?,α=100.7160(3)°,β=90.1020(10)°,γ=109.9490(5)°,V=1874.9(3)?~3,Z=2,D_c=1.542 g/cm~3,M_r=870.64,μ=0.876 mm~(-1),T=293(2) K,F(000)=916 and S=0.990.The crystal structure determination displayed a distorted octahedral geometry around the manganese atom,which is bound to two nitrogen atoms from hexamethylenetetramine,acting as monodentate ligands,and to four aqua ligands.Variable-temperature magnetic measurements of the complex indicate the presence of weak antiferromagnetic interaction between manganese centers.     

A New Luminescent Cd(Ⅱ) Coordination Polymer Constructed by Mixed 1,4-Naphthalenedicarboxylate and N-donor Chelating Ligand

In this work, we synthesized a new two-dimensional Cd(Ⅱ) coordination polymer, [Cd(1,4-NDC)(L)](1), by using mixed 1,4-naphthalenedicarboxylic acid(1,4-H_2NDC) and typical chelating N-donor ligands 2-(2-chloro-6-fluorophenyl)-1H-imidazo[4,5-f][1,10]phenanthroline ligand(L). Compound 1 crystallizes in monoclinic, space group P_21/n with a = 12.936(5), b = 15.245(5), c = 13.499(5) ?, β = 105.456(5)o, V = 2565.9(16) ?~3, Z = 4, C_(31)H_(16)CdClFN_4O_4, M_r = 675.33, D_c = 1.748 g/cm~3, F(000) = 1344, μ(MoKa) = 1.011 mm~(-1), R = 0.0350 and wR = 0.0926. In 1, each 1,4-NDC anion bridges three adjacent Cd(Ⅱ) atoms to give a two-dimensional layer structure. The L ligands are attached on both sides of the layer in chelating coordination modes. In addition, the N–H···O hydrogen bond between L and 1,4-NDC further stabilizes the layer structure of 1. Moreover, the solid state luminescent property of 1 was also investigated at room temperature.     

Synthesis,Structure and Properties of a New Terbium(Ⅲ) Complex Tb_2(C_(15)H_(11)O_3)_6(phen)_2

A new terbium(Ⅲ) complex Tb_2(C_(15)H_(11)O_3)_6(phen)_2 has been synthesized with 2-(4-methylbenzoyl)benzoic acid and 1,10-phenanthroline as ligands.Crystal data for the complex are as follows:monoclinic,space group P2_1/n,a=15.0786(6),b=13.5762(5),c=22.9683(9) A,β=104.130(4)°,V=4559.6(3) A~3,D_c=1.540_g/cm~3,Z=2,μ(MoKα)=1.615 mm~(-1),F(000)=2136,the final R=0.0528 and wR=0.0740.The Tb(Ⅲ) ion is coordinated by eight atoms to give a distorted square antiprism coordination geometry.The complex shows four fluorescence emission bands arising from the transitions of Tb~(3+5)D_4→~7F_6(490 nm),~5D_4→~7F_5(546 nm),~5D_4→~7F_4(588 nm) and ~5D_4→~7F_3(622 nm).The complex is an antiferromagnet in the range of 300～2 K.Also reported in the paper is the thermal stability property of the title complex.     

配位聚合物[Mn(4,4′-bpy)_(1.5)(H_2O)_3](ClO_4)·(4,4′-bpy)(L)·H_2O的水热合成和晶体结构(英文)

The title compound, [Mn(4,4'-bpy)1.5(H2O)3](ClO4)·(4,4'-bpy)(L)·H2O(1), where L=2,4,6-trimethylbenzoic acid, was synthesized and its crystal structure was determined by X-ray diffraction analysis. The crystal is of triclinic, space group P1 with a=2.929 9(6) nm, b=1.036 4(2) nm, c=8.222 0(1) nm, α=105.300(2)°, β=97.495(2)°, γ=91.118(2)°, V=1.884 0(4) nm3, Z=2, Mr=780.10, Dc=1.375 g·cm-3, μ=0.483 mm-1, F(000)=812, R=0.055 4, wR=0.135 2. The Mn atoms are octahedrally coordinated by three N atoms of three 4,4'-bipyridine ligands and three O atoms of water. The complex shows a one-dimensional chain structure bridged by water and 4,4'-bipyridine molecules. CCDC: 615707.     

Synthesis and Crystal Structure of a New Two-dimensional Manganese Coordination Polymer： [Mn（L）（1,4-bdc）]

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 crystalli-zes in triclinic,space group P1 with a=9.7544(9),b=10.8254(10),c=11.5288(10),α=114.1300(10),β=96.6110(10),γ=105.0390(10)°,V=1038.62(16)3,Z=2,C 26 H 13 FMnN 4 O 4,M r=519.34,D c=1.661 g/cm 3,F(000)=526,μ(MoKa)=0.691 mm-1,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.     

铜配合物[CuL_2Cl_2]·4H_2O的合成和晶体结构(L=3-乙基-4-对甲氧苯基-5-(2-吡啶基)-1,2,4-三氮唑)

A new copper(Ⅱ)complex,[CuL_2Cl_2]·4H_2O,[L=3-ethyl-4-(p-methoxyphenyl)-5-(2-pyridyl)-1,2,4-triazole],was synthesized and characterized by X-ray crystallography and infrared spectroscopy.The complex crystallizes in triclinic system with space group P(1),α=0.843 9(7)nm,b=0.965 5(8)nm,c=1.093 6(8)nm,α=84.026(19)°,β=82.33(2)°,γ=89.167(19)°,V=0.878 3(12)nm~3,Z=1 with final R=0.033 8.The copper atom lies in a distorted octahedral environment with two bidentate chelating ligands(L)in the equatorial plane and two Cl~- ions in the axial positions.The ligand L coordinates via one triazole nitrogen and one pyridine nitrogen atom.The molecules are stabilized by intermolecular hydrogen bonds in the crystal lattice.CCDC:705817.     

A New Cd(Ⅱ) Coordination Polymer Constructed by 3-(2-Pyridyl)pyrazole and 5-Nitroisophthalic Acid:Synthesis,Crystal Structure and Theoretical Calculations

A new coordination polymer, [Cd_2(NIPH)(L)_2(H_2O)]n(1, HL = 3-(2-pyridyl)pyrazole and H_2NIPH = 5-nitroisophthalic acid), has been synthesized. The structure of complex 1 has been characterized by X-ray single-crystal diffraction, elemental analysis, IR spectrum analysis, thermogravimetric analysis and fluorescence spectrum analysis. Complex 1 belongs to the triclinic system, space group P1 with a = 8.9539(6), b = 11.6252(8), c = 12.2472(8) ?, α = 80.011(2), β = 80.3850(10), γ = 86.773(2)°, V = 1237.37(14) ?~3, Z = 2, D_c = 1.987 g/cm~3, μ = 1.780 mm~(-1), M_r = 740.25, F(000) = 724, the final R = 0.0295 and wR = 0.1015 with I 2σ(I). Two H_2NIPH as monodentate and bidentate ligands and two L ligands link four Cd(Ⅱ) ions to form a tetranuclear subunit. Each pair of the tetranuclear subunits is bridged by NIPH ligands to yield a one-dimensional double-chain structure. Furthermore, the 1D chains are linked into a 3D supramolecular framework with hydrogen bonds and π-π interactions. In addition, we analyzed Natural Bond Orbital(NBO) in using the PBE0/LANL2DZ method built in Gaussian 03 Program. The calculation results indicated the obvious covalent interaction between the coordinated atoms and Cd(Ⅱ) ion.     

THE SYNTHESIS AND CRYSTAL STRUCTURE OF A NOVEL MOLYBDENUM-SULFUR CLUSTER COMPLEX, (NH_4)_4[Mo_3(NO)_4S_(13)]·3H_2O

The title compound has been synthesized, the crystal structure of which has been detorminedby the single-crystal X-ray diffraction method. The crystal belongs to triclinic space group C-P1 with the unit cell parameters: a =9.535(2)A, b = 9.740(2)A, c = 15.795(4)A, α = 89.85(2)°, β = 91.80(2)°, γ = 99.37(1)°,ν = 1446.6A~3, Ζ = 2. The structure is refined to R = 0.075, R_w = 0.074 for 1903 reflections. There are diverse bonding modes of molybdenum and sulfur in this eompound. The twosulfur atoms at the center bond to three molybdenum atoms from respective sides and formthe two apices of a trigonal bipyramid. Besides, there are S_2~(-2) ligands and a polysulfur chaincomposed of three sulfur atoms. The coordination number for the three molybdenum atomsis seven. Their coordination polyhedra are somewhat distorted pentagonal bipyramid. Eachof the three NO ligands coordinated to molybdenum gives a linear group of Mo-N-O, whilethe fourth NO ligund bonded with a polysulfur chain forms a bent group of S-N     

Synthesis and Crystal Structure of [Cd(NBA)(μ_3-OH)(4,4′-bipy)_(1/2)]_n

A new cadmium polymer [Cd(NBA)(μ3-OH)(4,4′-bipy)1/2]n 1 (NBA = m-nitrobenzoic acid and 4,4′-bipy = 4,4-bipyridine) has been synthesized by hydrothermal reaction. Its structure was determined by single-crystal X-ray diffraction method, and characterized by elemental analysis and IR spectrum. The crystal is of monoclinic, space group C2/c, with a = 15.6912(9), b = 25.9394(15), c = 6.7332(4) ′, β = 114.7700(10)°, V = 2488.4(3) 3, C12H9CdN2O5, Mr = 373.61, Z = 8, Dc = 1.995 g/cm3, μ = 1.776 mm-1, F(000) = 1464, R = 0.0411 and wR = 0.1128 for 2130 observed reflections (I > 2σ(I)). X-ray diffraction studies reveal that the compound features a layered structure, in which 4,4′-bipy ligands bridge Z type of double chains [Cd(μ3-OH)]n and NBA ligands locate at the two sides of the layer. The π-π interactions between the benzene rings of NBA ligands of two adjacent layers lead to the 3D framework.     

配合物Pb(cbba)_2(phen)_2的水热合成、晶体结构与荧光性能研究(英文)

A new metal-organic complex Pb(cbba)2(phen)2 (1, H2cbba=2-(4′-chlorine-benzoyl)benzoic acid, phen= 1,10-phenanthroline) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The compound crystallizes in orthorhombic, space group Pbcn with a=1.474 49(7) nm, b=0.953 90(4) nm, c=3.031 65(14) nm, V=4.264 1(3) nm3, C52H32Cl2N4O6Pb, Mr=1 086.91, Dc=1.693 g·cm-3, μ(Mo Kα)=4.141 mm-1, F(000)=2 144, Z=4, the final R=0.018 3 and wR=0.045 7 for 3 582 observed reflections (I2σ(I)). In the crystal structure, the lead atom is six-coordinated with two carboxylate oxygen atoms from different cbba ligands and four nitrogen atoms from different phen ligands, showing a distorted octahedral geometry. Furthermore, 1 shows yellow photoluminescent property at room temperature.