硝酸氨基胍的分子结构与晶体结构

通过氨基胍重碳酸盐与硝酸反应制备了硝酸氨基胍 ,用四圆衍射仪测得了其结构。结果表明 ,该晶体属三斜晶系 ,空间群为P墿,晶体学参数为 :a =0 .6 0 2 8( 1)nm ,b =0 .7344( 1)nm ,c =0 .772 3( 1)nm ;α =10 4.85 0 ( 10 )° ,β =110 .45 0 ( 10 )° ,γ =10 2 .6 6 0 ( 10 )° ;V =0 .2 911( 7)nm3,Z =2 ,Dc=1.5 6 4g·cm-3 ,F( 0 0 0 ) =14 4 ;偏离因子R为 0 .0 32 7。硝酸氨基胍分子中没有独立的双键存在 ,分子内形成了具有大π键的碳正离子 ,并与硝酸根负离子形成离子型化合物     

苦味酸氨基脲盐的制备与分子结构的研究

研究了苦味酸氨基脲盐的制备方法 ,并用元素分析、IR、DSC和X射线衍射对其进行了结构表征。其分子式为 :(H2 NCONHNH3 ) + [C6H2 (NO2 ) 3 O ] -。晶体属于三斜晶系 ,P墿的空间群 ,晶体学参数为 :a =5 .0 2 4(1) ,b =10 .2 0 9(1) ,c =11.5 5 1(1) ;α =79.0 0 (1)° ,β =81.11(1)° ,γ =82 .47(1)° ;V =5 71.42 (14 ) 3 ,Z =2 ,Dc=1.768g·cm-3 ,μ =0 .162mm-1,F(0 0 0 ) =3 12 ,R1=0 .0 3 2 4,Rw2 =0 .0 874     

［Mg(H2O)6］(TNR-)2.2H2O的制备与分子结构研究

通过斯蒂酚酸与氧化镁反应,制备出标题化合物,测定了二水合斯蒂酚酸六水合镁（II）的分子结构和晶体结构。该晶体属三斜晶系,Pī空间群。晶体学参数为 a＝0.788 9(1) nm,b＝0.882 1(2) nm,c＝1.043 3(2) nm;α＝77.47(1)°,β＝70.96(2)°,γ＝66.74(1)°; V＝0.627 3(2) nm3,Z＝1,DC＝1.738 g·cm-3,μ＝0.193 mm-1,F(000)＝338。     

C6H2(NO2)3ONH4的单晶制备和晶体结构

This paper introduces the preparation method of single crystal and the molecular structure of ammonium picrate.The obtained results show that the crystal of ammonium picrate belongs to orthorhombic, Ibca space group.The crystal parameters of the ammonium picrate was given in the paper .a=7.131(1),b=13.487(1),c=19.810(2),V=1905.2(4)³,Z=8,D_c=1.716mg/cm³,μ=0.159mm^-1,F(000)=1008。     

Synthesis and Structural Characterization of Erbium Complex with Tripodal Ligand, N, N, N′, N′, N″, N″-Hexaisopropyl-2, 2′, 2″-Nitrilotris (2,1-ethoxy) triacetamide (L)

Ｉｎｔｈｅｒｅｃｅｎｔｙｅａｒｓ ,ｔｈｅｓｔｕｄｉｅｓｏｎｔｈｅｄｅ ｓｉｇｎａｎｄｓｙｎｔｈｅｓｉｓｏｆｔｈｅｓｔａｂｌｅｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓｗｉｔｈｔｒｉｐｏｄａｌｌｉｇａｎｄｓｈａｖｅａｔｔｒａｃｔｅｄｍｕｃｈａｔｔｅｎｔｉｏｎｂｅｃａｕｓｅｏｆｔｈｅｉｒｕｎｉｑｕｅｐｒｏｐｅｒ ｔｉｅｓａｎｄｔｈｅｉｒｐｏｔｅｎｔｉａｌａｐｐｌｉｃａｔｉｏｎｓｉｎｔｈｅｖａｒｉ ｏｕｓｒｅｓｅａｒｃｈｆｉｅｌｄｓ[1 ,2 ] .Ｉｔ′ｓｗｏｒｔｈｙｎｏｔｅｔｈａｔｔｈｅｌａｎｔｈａｎｉｄｅｃｏｍ…     

河南野菊花挥发油的GC/MS分析

The essential oil from the flowers of Chrysanthemum indicum in Henan was analyzed by capillary GC/MS method. Eighty-one components were separated and identified representing 93% of the total essential oil. The main chemical components were monoterpenes and sesquiterpenes, in which the content of camphor and borneol were most.     

〔Co(CHZ)_3〕(ClO_4)_2的制备、分子结构及爆炸性能研究

报道了高氯酸三碳酰肼合钴()的制备、分子结构及其爆炸性能。该配合物的分子式为:〔Co(CHZ)3〕(ClO4)2。其晶体属于单斜晶系,空间群为P21/n,晶胞参数为:a=10.0490(10)×10-10m,b=8.5350(1)×10-10m,c=21.430(4)×10-10m,β=101.170(1)°。最终偏离因子R1=0.0657,wR2=0.1380。在该配合物中,钴离子的配位数为6,与之配合的碳酰肼分子为三个,每个碳酰肼分子都作为二齿配体,中心原子与它的六个配位原子形成畸变八面体结构。该配合物具有良好起爆能力,可作为起爆药用于雷管中。     

Nitrilotriacetate Bridged 3d-4f Heteronuclear Complex: Synthesis and Crystal Structure of ｛[GdCu(NTA)(H_2O)_6Cl]ClO_4·H_2O｝_n

Ｔｈｅｓｙｎｔｈｅｓｉｓｏｆ 3ｄ 4ｆｈｅｔｅｒｏｎｕｃｌｅａｒｃｏｍ ｐｌｅｘｅｓｉｓｏｆｉｎｔｅｒｅｓｔｆｏｒｓｅｖｅｒａｌｒｅａｓｏｎｓ[1～ 9] .Ｔｈｅｓｅｃｏｍｐｌｅｘｅｓａｒｅｉｍｐｏｒｔａｎｔｉｎｔｈｅｓｔｕｄｉｅｓｏｆｍａｇｎｅｔｉｃｅｘｃｈａｎｇｅｉｎｔｅｒａｃｔｉｏｎｂｅｔｗｅｅｎｌａｎ ｔｈａｎｉｄｅａｎｄｄ ｔｒａｎｓｉｔｉｏｎｍｅｔａｌｉｏｎｓ,ａｎｄｔｈｅｙｃａｎｐｒｏｂａｂｌｙｂｅｕｓｅｄａｓｍａｇｎｅｔｉｃｍａｔｅｒｉ ａｌｓ[2～ 8] .Ｔｈｅｃｏｏｒｄｉｎａｔｉｏｎａｎｄｓ…     

3,5-二溴-4-羟基苯甲醛的鉴定及其晶体结构

3,5-二溴 - 4-羟基苯甲醛晶体经X射线结构分析表明 ,晶体属单斜晶系 ,空间群为P2 (l) /m。晶体学参数 :a=4.30 0 3(7) ,b =1 4.1 2 2 (l) ,c=6.6958(8) A ,β =1 0 0 .0 6(1 )°,V =40 0 .38(9)A。3,Z =2 ,Mr=2 79.92 ,Dc=2 .32 2 g/cm3,μ =1 0 .0 65mm- 1 ,F(0 0 0 ) =2 64。偏离因子R =0 .0 381 ,wR =0 .0 883,S =0 .91 4,(△ρ) max=0 .0 4 78eA。 - 3。分子具有镜面对称。分子中 ,醛基为取向无序。     

Synthesis and Crystal Structure of N-phenylthiocyano-phenylthioformamide-bis （ η5-methylcyclopentadienyl） （tetrahydrofuran） Samarium （Ⅲ）

The insertion reaction of phenyl isothiocyanate into the Ln-S bond was studied. Phenyl isothiocyanate reacted with [(CH3C5H4)2Sm(SPh)(THF)]2 to give the title complex, (CH3C5H4)2Sm[SC(SPh) NPh](THF),in good yield, which was characterized by elemental analyses, IR, ^1H NMR and X-ray structural determination. The crystal structure analysis of complex shows that samarium atom is coordinated by two CH3C5H4 groups, one O atom of THF, and N and S atoms from the SC(SPh)NPh ligand to form a distorted trigonal-bipyramidal geometry.