查询词典 elemental analysis

All the compounds are characterized by IR and elemental analysis.we design and prepare a bipyridinium supramolecular compound and six coordination compounds, which are also characterized by IR, elemental analysis and X-ray structure analysis. According to X-ray structure analysis, hydrogen bonds and n-n stocking interactions participate in the architecture of three-dimensional framework [H2L1 (NO3)2 (H2O)2]n; one-dimensional zigzag coordination polymer [Hgl21.5CH3OH]n; binuclear metallamacrocycle (HgI2L2)2 3H2O; helical double-stranded one-dimensional coordination polymer [Co2(L2)2-2CH3OH]n; double-stranded one-dimensional coordination polymer [Co2(L3)2-CH3OH-CH3CN]n; and three-dimensional compound [Cu(C5H4NCOO)2(H2O)2]-H2O with hydrogen bonds, three-dimensional coordination polymer {[Cd(C5H6NCOO)2H2O]-DMF}n, which are indirectly obtained from the precursor ligand L3 through metal ion induced the hydrolysis of diamide and self-assembled with the hydrolyzate.

我们首次合成了一个双吡啶鎓超分子化合物和六个过渡金属配合物，并通过IR谱，元素分析和X-ray晶体衍射分析对它们进行了表征。X-ray晶体结构分析表明：超分子化合物[H_2L1·(NO_3)_2·(H_2O)_2]_n是由多种氢键和芳香环间的π-π堆积作用构建的三维无限结构；[HgI_2(L1)·1.5CH_3OH]_n是一维锯齿状配位聚合物；(HgI_2L2)_2·3H_2O是双核金属大环化合物；[Co_2(L2)_2·2CH_3OH]_n是具有一维双螺旋结构的配位聚合物；[Co_2(L3)_2·CH_3OH·CH_3CN]_n为一维双链结构的配位聚合物；以及由非直线形配体L3在金属离子Cu和Cd的诱导作用下发生水解，并且金属离子与水解产物——异烟酸根离子自组装，形成了三维氢键超分子化合物[Cu(C_5H_4NCOO)_2(H_2O)_2]·H_2O和三维配位聚合物{[Cd(C_5H_6NCOO)_2H_2O]·DMF}_n。

Its structure was characterized by elemental analysis, Fourier transform infrared spectroscopy and thermal analysis.

采用元素分析、红外光谱和热分析对该固定相结构进行了表征。

[Cu2(H2O)4]2 was prepared by the reaction of aqueous 1,2,4-triazol-5-one solution with the solution of copper picrate Cu2 and characterized by elemental analysis, FT IR and X-ray powder diffraction analysis.

本文通过1，2，4-三唑-5-酮水溶液与苦味酸铜水溶液反应，制备了[Cu2(H2O)4]2，用元素分析、傅立叶变换红外光谱分析、X-射线粉末衍射分析对其结构进行了表征。

Methods Elemental analysis, IR spectrum and X-ray diffraction analysis were used to describe the composition.

采用化学分析、红外光谱分析和X-射线粉末衍射分析等手段。

The copper atom is in a planar coordination site of [N_2O_2] and it devites from the mean plane by only 0.80 pm. Byπ-πstacking interactions, a alabastrine structure was obtained.(2)Schiff-base complex [Cu(H_2O)]·H_2O, where H3GS is the 3-carboxyl -salicylidene glycine, was synthesized and characterized by elemental analysis, IR spectra and single-crystal analysis. The crystal belongs to monoclinic system, space group P2(1)/c, a=848.46(3)pm, b=681.54(3)pm, c=1967.16(8)pm,β=95.8210(10)°, Z=4, R_1=0.0279, wR_2=0.0724. The copper atom is in a square-pyramidal field with the base

结果表明该晶系属单斜晶系，空间群P2(1)/c，晶胞参数：a=848.46(3)pm，b=681.54(3)pm，c=1967.16(8)pm，α=90°，β=95.8210(10)°，γ=90°，Z=4，R_1=0.0279，wR_2=0.0724，Cu原子位于轻微变形的四方锥场底心，底面被氮原子、酚氧原子、甘氨酸羧基的一个氧原子和一个水分子氧原子占据，而甘氨酸羧基的另一个氧原子占据相邻分子的锥顶，因而形成一维链状结构；合成了单核双聚配合物Na_2[Cu_2_2]·2H_2O ，铜三核配合物Cu_3_2·5H_2O和铜锌异三核配合物ZnCu_2_2·5H_2O，并用元素分析，IR光谱，电子光谱和磁化率测定对配合物的组

Elemental analysis, IR, XRD and XPS were used to characterize the elemental composition and crystal structure of as-prepared silver behenate nanocrystal.

采用元素分析、IR、XRD和UV-Vis等手段表征了山嵛酸银纳米晶体的元素组成和晶体结构。

In this paper, the main work has been focused on the rare reported arsenomolybdates, and nine novel compounds have been synthesized. Sandwich arsenomolybdates:(NH_4)_(12)[Cr_2AsMo_7O_(27_2]·11H_2O (1)(NH_4)_(14)[Cu_2AsMo_7O_(27_2]·13H_2O (2) Double sandwich arsenomolybdates:(NH_4)_(12)Cu(H_2O)_4[As_2Fe_6Mo_(22)O_(85)(H_2O)]·19H_2O (3)(NH_4)_(15)[As_2CoFe_5Mo_(22)O_(85)(H_2O)]·16H_2O(4)(NH_4)_(14)Mn_(0.5)[As_2Fe_5MnMo_(22)O_(85)(H_2O)]·22H_2O(5) Cagelike arsenomolybdate:(NH_4)_(11)[AgAs_2Mo_(16)O_(54)]·9H_2O (6) Organic-inorganic molybdenum arsenate complexes:CuAs_6Mo_6O_(30{[Cu_4]_3[CuAs_6Mo_6O_(30)]}_2·6H_2O (7),[Cu_2]_3[As_3Mo_3O_(15)]_2·2H_2O (8)(NH_4)_(10){Cu(H_2O)_4}[AsMo_6O_(21)(O_2CCH_3)_3]_2·12H_2O (9)All of the above polyoxomolybdates were characterized by IR spectroscopy, TG-DSC, elemental analysis, and single-crystal X-ray analysis to identify their structures and chemical compositions.

本文选择目前报道尚少的砷钼杂多化合物为研究重点，合成了不同结构类型的九个新的杂多化合物：单夹心化合物：(NH_4)_(12)[Cr_2AsMo_7O_(27_2]·11H_2O(1)(NH_4)_(14)[Cu_2AsMo-7O_(27_2]·13H_2O(2)双夹心化合物：(NH_4)_(12)Cu(H_2O)_4[As_2Fe_6Mo_(22)O_(85)(H_2O)]·19H_2O(3)(NH_4)_(15)[As_2CoFe_5Mo_(22)O_(85)(H_2O)]·16H_2O(4)(NH_4)_(14)Mn_(0.5)[As_2Fe_5MnMo_22_O_(85(来源：AbcccBC论文网www.abclunwen.comH_2O]·22H_2O(5)笼状结构化合物：(NH_4)_(11)[AgAs_2Mo_(15)O_(54)]·9H_2O(6)有机配体修饰的化合物：CuAs_6Mo_6O_(30{[Cu_4]_3[CuAs_6Mo_6O_(30)]}_2·6H_2O(7) [Cu_2]_3[As_3Mo_3O_(15)]_2·2H_2O(8)(NH_4)_(10){Cu(H_2O)_4}[AsMo_6O_(21)(O_2CCH_3)_3]_2·12H_2O(9)对上述新化合物进行了瓜光谱分析、元素分析、热分析和X-射线单晶衍射测试，确定了它们的组成和结构，对部分化合物还进行了UV-vis及荧光光谱分析和循环伏安表征。

A total of fifteen metal complexes have been synthesized and characterized by means of elemental analysis, molar conductance analysis, IR, electronic spectra, EDS, X-ray powder diffraction analysis and TG-DTA analysis.

本文合成了15种金属配合物，应用元素分析、摩尔电导、红外光谱、能量色散谱、X-射线粉末衍射、热重-差热分析等手段对这些配合物进行了常规结构表征，确定了配合物的组成。

The composition and fluorescence property of 2,2,2-amine tri acetyl-benzylamine with ligand of tripod type were studied through Molar conductivity, infrared spectrum, NMR, elemental analysis, thermal analysis, and UTA-TG analysis.

方法］通过摩尔电导率、红外光谱、核磁共振波谱、元素分析、差热－热重分析，研究三脚架型配体2，2，2-胺三乙酰－苄胺及其稀土配合物的组成、荧光性质。

Employing high-dilute method and 5-fold excess amine prepared two new "two-armed" acyclic diamine intermediates I_a and I_b, which are also intermediates of synthesizing microcyclic compounds, and eight aromatic Schiff bases, II_, were synthesized from reaction of I_a or I_b condensing with different aromatic aldehydes. Their composition and structure were characterized by Elemental analysis, IR, UV-Vis, LIF,~1HNMR and MS. The hydrogen bond interactions and MS fragmental patterns were also discussed.3. Several novel transition metal complexes using II_a as ligand were synthesized and identified by Elemental analysis, IR, UV-Vis,~1HNMR and molar conductivity.

1，采用高度稀释及胺过量五倍的方法合成了两个具有吡啶双酰胺臂的非环二胺Ⅰ_a和Ⅰ_b，并以它们为中间体进一步合成了八个芳香席夫碱Ⅱ_a-Ⅱ_h，通过元素分析及各种波谱测试鉴定了它们的组成与结构，对化合物的UV-Vis、LIF、IR、~1HNMR及MS进行了较为详细的讨论，还探讨了席夫碱的氢键相互作用及质谱裂解方式； 2，以席夫碱Ⅱ_a为配体合成了几个新型的过渡金属配合物，并通过元素分析、UV-Vis、IR、~1HNMR、摩尔电导及DTA—TG对其进行了表征，讨论了化合物的配位情况及配体在配位中的脱质子行为。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了