六硫基·二（2－甲基吡啶）合锌的合成与性能研究

标题化合物采用锌粉、硫粉及２－甲基吡啶直接反应最后得到金黄色晶体，其具有萤光性能，它不溶于水及二硫化碳．进行Ｘ－射线结晶学表征，该分子中含有四面体配位的ＺｎＳ２Ｎ２核心．结晶学参数：单斜晶系，ＣＣ，Ｚ＝４，ａ＝０．７５１３６（２４）ｎｍ，ｂ＝１．７３０６５（７９）ｎｍ，ｃ＝１．３６８１２（３７）ｎｍ，α＝９０．０１８°（３０），β＝９４．４４９°（２７），γ＝８９．９４７°（４２），Ｖ＝１．７７３６６ｎｍ３．通过元素分析其化学式为ＺｎＳ６（Ｃ６Ｈ７Ｎ）２．对标题化合物进行红外光谱归属，同时进行热分析，循环伏安以及荧光性能的研究，发现温度大于１０４℃时开始分解，于３８０℃全部分解，最后产物为ＺｎＳ     

N－（p－甲苯基）－3－羟基－2－乙基－4（1H）－吡啶酮的合成和晶体结构

本文报道了由乙基麦芽酚（ｅｔｈｙｌｍａｌｔｏｌ，３－羟基－２－乙基－４（Ｈ）－吡喃酮）和对甲苯胺合成标题化合物，并进行了元素分析，ＵＶ，ＩＲ，ＭＳ，１ＨＮＭＲ表征和Ｘ射线单晶结构分析．该晶体属单斜晶系，空间群Ｐ２１／ｎ．ａ＝０．７０３５（１），ｂ＝１．８６１５（７），ｃ＝１．８２９６（２）ｎｍ，β＝９９．８１°，Ｚ＝８，Ｖ＝２．４５２６（１０）ｎｍ３，Ｄｃ＝１．２４２ｍｇ／ｍ３．该晶体中存在着分子间氢键．     

L－酪氨酸高氯酸盐的晶体结构

在水溶液中制备了标题化合物Ｌ－酪氨酸ＨＣｌＯ４，并用Ｘ射线单晶衍射仪测定了其晶体结构。晶体属单斜晶系，Ｐ２１空间群。晶胞参数：ａ＝０．５３３５（１）ｎｍ，ｂ＝０．９８１７（２）ｎｍ，ｃ＝１．２０００（３）ｎｍ，β＝９４．７９（２）°，Ｖ＝０．６２６３（３）ｎｍ３，Ｚ＝２，Ｄｃ＝１．４９４ｇ／ｃｍ３     

复合型POM：3，5－DNBA的晶体结构

３－甲基－４－硝基吡啶－１－氧（ＰＯＭ）与３，５－二硝基苯甲酸（３，５－ＤＮＢＡ）的复合型晶体从乙醇与丙酮的混合溶液中培养获得，其组成为１：１，己被元素分析和ｘ射线衍射实验所证实；其熔点由ＤＳＣ热分析测得，为１２２．６℃。该晶体化合物属单斜晶系，空间群为Ｐ２１／ｎ，单胞参数为：ａ＝０．９５５３（２）ｎｍ，ｂ＝０．５７７５（４）ｎｍ，ｃ＝２．７９６２（４）ｎｍ，β＝９９．０３（１）°，ｖ＝１．５２４（１）ｎｍ３，ｚ＝４，Ｄｃ＝１．６０ｇ／ｃｍ３，λ（Ｍｏｋα）＝０．０７１０７３ｎｍ，μ＝１．２９ｃｍ－１，Ｆ（０００）＝７５２，最终Ｒ＝０．０５１，Ｒｗ＝０．１６５［ｗ＝１／σ２（Ｆ）］，其中１８０２个可观察衍射点参与结构计算，复合型分子中存在一个氢键。     

1－氨基萘－6－磺酸和它的二水合物的晶体结构

利用ｘ－射线衍射分析测定了标题化合物的晶体结构。１－氨基萘－６－磺酸属正交晶系，空间群Ｐｂｃａ，ａ＝１．０５４３（５），ｂ＝１．１１２６，ｃ＝１．６２０３（１）ｎｍ，Ｖ＝１．９００ｎｍ３，最终偏离因子Ｒ＝０．０４８，Ｒｗ＝０．０４６；二水合１－氨基萘－６－磺酸属单斜晶系，空间群Ｐ２１／ｎ，ａ＝１．１２９０（２），ｂ＝０．７４８６（８）ｃ＝１．８６７７（８）ｎｍ，β＝１０６．１（２）°，Ｖ＝１．１１１１ｎｍ３，最终偏离因子Ｒ＝０．０４８，Ｒｗ＝０．０５３０。     

CdI2与TSC加成物的合成及结构

ＣｄＩ２与ＴＳＣ在丙酮溶剂及水中形成加成物ＣｄＩ２（Ｃ４Ｈ１０Ｎ３Ｓ）２·Ｈ２Ｏ,晶体属单斜晶系,空间群为Ｐ２１／ｍ．晶胞参数为ａ＝０．７５３３（３）ｎｍ,ｂ＝１．５３５（２）ｎｍ,ｃ＝０．８４３７（２）ｎｍ,β＝９０．９１（３）°,ｖ＝０．９７６（１）ｎｍ３,Ｍｒ＝６４８．６４,Ｚ＝２,Ｄｃ＝２．２０ｇ·ｃｍ－３,μ（ＣｕＫα）＝４４．５８ｃｍ－１,Ｆ（０００）＝６０８,Ｔ＝２９７Ｋ．用１６２２个Ｉ≥３σ（Ｉ）独立衍射精修结构,最终偏差因子Ｒ＝０．０５７,晶体中存在分离的单核络合物ＣｄＩ２（Ｃ４Ｈ１０Ｎ３Ｓ）２·Ｈ２Ｏ,Ｃｄ原子呈畸变四面体配位．两个Ｃｄ－Ｉ和Ｃｄ－Ｓ键长分别为０．２７３０ｎｍ,０．２７４３ｎｍ和０．２５７５ｎｍ．     

双－N（2－羟基乙基）邻香兰素亚胺合锌（Ⅱ）的合成、晶体结构及热分解动力学

报道了双－Ｎ（２－羟基乙基）邻香兰素亚胺合锌（Ⅱ）－Ｚｎ（ｍｏｓｅｎ）：的合成、晶体结构和热分解动力学．标题配合物Ｚｎ（ｍｏｓｅｎ）：属三方晶系，空间群为Ｐ３ｌ，晶胞参数α＝１．１４６７（４），ｃ＝１．３２４２（３）ｎｍ，ｖ＝１．５０７ｎｍ３，ｚ＝３；最终的偏离因子Ｒ＝０．０５６，Ｒｗ＝０．０６３．其第一步热分解反应动力学方程式为：ｄａ／ｄｔ＝Ａ·ｅ－Ｅ／ＲＴ·（ｌ－α）２     

2′－6′－二乙胺基萤烷的合成及晶体结构研究

利用Ｘ－射线衍射分析测定了标题化合物的晶体结构．Ｃ２４Ｈ２０ＮＯ３Ｃｌ属单斜晶系，空间群Ｐ２１／ｎ，Ｍｒ＝４０５．８８，ａ＝１１．６２５（３），ｂ＝１３．８４４（３），ｃ＝２２．６４３（４）×１０－１０ｍ，β＝９４．８０（２）°，Ｖ＝２０１５．（１）×１０－３０ｍ３，Ｚ＝４，Ｆ（０００）＝８４８，Ｄｃ＝１．３３ｇ／ｃｍ３，Ｒ＝０．０８４和Ｒｗ＝０．０９６．含有氧的六圆环为半椅式构象，五圆环和它相邻的苯环几乎共面．Ｃ（１４）与Ｏ（１），Ｃ（２１）与Ｏ（１）为典型的Ｓｐ２－Ｓｐ２键，使相邻两个苯环之间产生了共轭     

二氧四－2，2＇－联吡啶合二锰（Ⅲ，Ⅳ）高氯酸盐三水合物的晶体结构测定

本文报道标题化合物［（ｂｐｙ）＿２Ｍｎ（μ－０）＿２Ｍｎ（ｂｐｙ）＿２］（ＣｌＯ＿１）＿３·３Ｈ＿２Ｏ（ｂｐｙ＝２，２＇－ｂｉｐｙｒｉｄｉｎｅ）的晶体结构重新测定的精确结果．该化合物的晶体属单斜晶系，空间群为Ｐ２＿１／ｃ（Ｎｏ．１４），ａ＝１．３８９３（５），　ｂ＝１．３９８７（４），ｃ＝２．４３１７（９）ｎｍ，β＝１０３．６１（３）°，Ｕ＝４．５９８（２）ｎｍ￣３，Ｍｒ＝９．１，Ｚ＝４，Ｄ＿ｃ＝１．６１８ｇ·ｃｍ￣（－３），μ＝８．１ｃｍ￣（－１），对４０３２独立可观察衍射数据进行修正，最后偏离因子Ｒ＿Ｆ＝０．０６９，结果表明，该双核化合物中的两个不同价态的锰（Ⅲ，Ⅳ）离子在晶体中完全可区分．本工作的结构数据与文献值有较明显的区别．     

二乙胺合三（5—甲基—2—苯并噻唑基）硼烷的晶体结构

标题化合物二乙胺合三（５－甲基－２－苯并噻唑基）硼烷（Ｃ２８Ｈ２９ＢＮ４Ｓ３（Ｍｒ＝５２７．５７）的晶体属于三斜晶系,空间群为Ｐ１,晶胞参数ａ＝０．３９７（８）ｎｍ,ｂ＝１．１７４２（６）ｎｍ,ｃ＝１．３１００（２）ｎｍ,α＝１０４．２９（２）°,β＝９２．９９（３）°,γ＝９８．５８（５）°,Ｖ＝１．３７９０ｎｍ＾３,Ｚ＝２,Ｄｃ＝１．２７０ｇ／ｃｍ＾３,μ（ＭｏＫｎ）＝２．８０４ｃｍ＾－１。结     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the     

An affordable accurate evaluation of the binding conformations predicted by molecular docking studies in bio-system

Franck-Condon factors bridge the gap between theoretical modeling and experimental observations for molecular electronic spectroscopy and electron transfer.Under the displaced harmonic oscillator approximation,multidimensional Franck-Condon factors are decomposed into a product of many one-dimensional(1D)Franck-Condon(FC)factors,and each 1D-FC factor is associated with one Huang-Rhys factor that determines the leading contribution of     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with     

Journal of Donghua University ( English Edition) Contents of Volume 31

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