Synthesis and Crystal Structure of Bis（μ-bis（diphenylphosphino）methane）（μ-benzenethiolate）（acetonitrile） Dicopper（I） Perchlorate Diethylether Solvate

1INTRODUCTIONTherehasbeenincreasinginterestindesigningpolymetalliccomplexeswithmixeddiphosphineandthiolateligandsowingtotheuniqueopticalandoptoelectronicproperties[1].Itiswell-knownthatthiolatesasversatilebridgingligandscanexhibitvariousbondingmodestoprod…     

A New One-dimensional Zigzag Chain [Zn(1,5-NDC)(2,2′-bipy)]_n Obtained from Hydrothermal Reaction

1 INTRODUCTION The coordination polymers have attracted much attention in recent years owning to their fascinating molecular structures and potential applications as catalysts, luminescent materials and magnetic materials[1～6]. Consequently, numerous new com- pounds have been produced mostly by using appro- priate organic ligands, especially bridging ligands containing multi-dentate oxygen, nitrogen, or sulfur donors to coordinate with the transition metal centers[7～10]. Among them, 1,4…     

Theoretical Study of the Isomerization Reaction of 1-3 H Transfer on Formamidine Substituted by Halogen

The ab initio method has been used to study the 1-3 H transfer reaction on formamidine substituted by halogen. The calculation results show that the substituted halogen has two effects on the 1-3 H transfer reaction: decreasing the activation energy and stabilizing the C=N double bond owing to the conjugative effect of p-π-p of products and transition states.     

Synthesis and Crystal Structure of a New cis-Dioxovanadium （V） Complex with Pyruvic Acid Isonicotinyl Hydrazone （PAINH）

1 INTRODUCTION The interest in vanadium chemistry from a biolo-gical and pharmacological perspective has explodedover the past 20 years. This is mainly based on thediscoveries of the insulin-like effect of vanadium compounds[1, 2], and the presence of vanadium in certainhaloperoxidases and nitrogenases[3, 4]. Vanadium complexes with organic ligands mightbe candidates for therapy of diabetes, consequentlydesign and synthesis of new complexes are of greatinterest recently[5, 6]. On consid…     

Synthesis and Crystal Structure of (p-{2-[p-(5''''-Phenyl-1'''',3'''',4''''-oxadiazole-2''''-yl)-phenyl]- vinyl}-phenyl)-di-p-tolyl-amine

1 INTRODUCTION Triarylamines constitute a well known class of hole conducting material[1～4]. On the other hand , oxadiazole-based compounds as good electron- transporting materials[5,6] have played an important role in the fabrication of multiple-layer light- emitting diode devices. It is well known that, to achieve good performance in electroluminescence (EL) devices, the injection of electron and hole should be in balance[7]. The requirement might be met in a new compound containing …     

Synthesis and Crystal Structure of a Novel Three-dimensional Cu(II) Compound{[Cu(2,2''''-bipy)(C_7H_4O_5S)(H_2O)_2]·H_2O}_n

1 INTRODUCTION Recently, the design and synthesis of novel inorg-anicorganic supramolecular complexes have been at-tached more and more attention due to their poten-tial applications in many areas[1～3]. Copper complex-es have attracted much attention owing to their intri-guing properties, such as molecular magnetization,absorption, heterogeneous catalysis, etc[4, . A series5]of copper-carboxylate complexes have been reportedand all kinds of coordination models of the car-boxylic group a…     

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.     

Synthesis,Crystal Structure and Luminescent Properties of a Novel Zinc(II) Complex of N-Acetyl-L-glutamic Acid and Imidazole Ligands

1 INTRODUCTION As is well known, some transition metal ions play an important role in controlling the behavior of many biological macromolecules and produce pro- found effects on their biological actions, medicine and people’s health[1～3]. Zinc is an essential com- ponent of many proteins. In the active sites of zinc enzymes, zinc is bound to the nitrogen of imidazole groups and oxygen of carboxylate groups of amino acids[4～6]. Additional interest in these proteins lies in the fact th…     

Synthesis and Crystal Structure of K_3[HO{VO(O_2)_2}_2]·H_2O

1 INTRODUCTION Though the investigation on chemistry of tran- sition metal-peroxy complexes has been extensively carried out, up to now, only four structures of purely inorganic dimeric peroxovanadates have been deter- mined by single-crystal X-ray meth…     

Syntheses and Structures of Two New Coordination Polymers:[Cu(C_(14)H_9O_4)(C_(14)H_(10)O_4)(C_(12)H_(12)N_2)_2] and [Ag(C_(14)H_9O_4)(C_(13)H_(14)N_2)]·0.5H_2O

1 INTRODUCTION Supramolecular approaches to self-assembly of infinite molecular solids with novel structural topo- logies attract considerable attention for their po- tential applications as functional materials and their fascinating architectures[1]. In…