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Kristallstruktur des supramolekularen Silber(I)thiocyanate-Cyclam-Komplexes [Ag(SCN).(C10H24N4)1/2] 硫氰酸银-环糊精超分子配合物[Ag（SCN）.（C10H24N4）1/2]的晶体结构
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1994-01-01 DOI: 10.14279/DEPOSITONCE-7637
J. Pickardt, Jing Shen
{"title":"Kristallstruktur des supramolekularen Silber(I)thiocyanate-Cyclam-Komplexes [Ag(SCN).(C10H24N4)1/2]","authors":"J. Pickardt, Jing Shen","doi":"10.14279/DEPOSITONCE-7637","DOIUrl":"https://doi.org/10.14279/DEPOSITONCE-7637","url":null,"abstract":"Colourless crystals of the 1,4,8,11-tetraazacyclotetradecane (cyclam) silver(1) thiocyanate complex [Ag(SCN).(C 10 H 24 N 4 ) 1/2 ] were obtained by diffusion of a solution of cyclam in ethanol into an aqueous solution of K[Ag(SCN) 2 ]. The crystals are tetragonal, space group P4 2 /n, Z=8, a=b=1256.0(4), c=1185.5(9) pm. The SCN groups act as μ 3 ligands, the S atoms of two SCN groups bridge two neighbouring Ag ions, which are only 297.5 pm apart, forming butterfly-like Ag 2 S 2 moieties, the N atoms of the SCN groups form bonds to Ag atoms of adjacent Ag 2 S 2 moieties","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"49 1","pages":"211-214"},"PeriodicalIF":0.8,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66865297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Silaheterocyclen. XXVII: Substituenteneffekte zur Steuerung des Cycloadditionsverhaltens von Silaethenen Silaheterocyclen .3vii:来控制锡拉因的合成活动的替代效应
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1994-01-01 DOI: 10.1515/znb-1994-0618
N. Auner, C. Wagner, W. Ziche
{"title":"Silaheterocyclen. XXVII: Substituenteneffekte zur Steuerung des Cycloadditionsverhaltens von Silaethenen","authors":"N. Auner, C. Wagner, W. Ziche","doi":"10.1515/znb-1994-0618","DOIUrl":"https://doi.org/10.1515/znb-1994-0618","url":null,"abstract":"The silence Cl 2 Si=C(Ph)CH 2 Bu t (2) is formed by the reaction of 1,1,1-trichloro-2-phenyl-1-silaprop-2-ene (1) with LiBu t in n-pentane in the temperature range from -15 to 0 o C. The reaction initially leads to the corresponding α-lithio adduct A (addition of LiBu t to the vinyl group of 1); subsequent LiCl elimination yields 2 as an intermediate. 2 can be trapped by Me 3 SiOMe (3) and dienes which add across the Si=C bond. In the absence of trapping agents but in the presence of the Lewis base NEt 3 the mixture 1/LiBu t reacts to give the disilacyclobutane 4","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"49 1","pages":"831-843"},"PeriodicalIF":0.8,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1515/znb-1994-0618","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66888507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kristallstrukturen der [2.2.2]Cryptate [Cd(cryptand 222)][CdCl4] und [Hg(cryptand 222)][Hg2Cl6] mit achtfach koordinierten Metallionen [关于合成的][Cd(水晶要222)[cd4和[Hg(水晶要222]][Hg2Cl6
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1994-01-01 DOI: 10.14279/DEPOSITONCE-7634
J. Pickardt, Britta Kühn
{"title":"Kristallstrukturen der [2.2.2]Cryptate [Cd(cryptand 222)][CdCl4] und [Hg(cryptand 222)][Hg2Cl6] mit achtfach koordinierten Metallionen","authors":"J. Pickardt, Britta Kühn","doi":"10.14279/DEPOSITONCE-7634","DOIUrl":"https://doi.org/10.14279/DEPOSITONCE-7634","url":null,"abstract":"","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"49 1","pages":"1031-1035"},"PeriodicalIF":0.8,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66864805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kristallstruktur des „supramolekularen“ Quecksilber(II)chlorid-thiocyanat- Hexamethylentetramin-Addukts Hg(SCN)2 · 2HgCl2 · 2C6H12N4 “超分子”氯化硫氰酸汞-六亚甲基四胺加合物Hg（SCN）2·2HgCl2·2C6H12N4的晶体结构
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1994-01-01 DOI: 10.14279/DEPOSITONCE-7636
J. Pickardt, Gill-Taik Gong, D. Röleke
{"title":"Kristallstruktur des „supramolekularen“ Quecksilber(II)chlorid-thiocyanat- Hexamethylentetramin-Addukts Hg(SCN)2 · 2HgCl2 · 2C6H12N4","authors":"J. Pickardt, Gill-Taik Gong, D. Röleke","doi":"10.14279/DEPOSITONCE-7636","DOIUrl":"https://doi.org/10.14279/DEPOSITONCE-7636","url":null,"abstract":"Crystals of the adduct Hg(SCN) 2 -2 HgCl 2 -2 C 6 H 12 N 4 were obtained from an aqueous solution containing 0.1 mol/l hexamethylenetetramine and 0.05 mol/l potassium thiocyanate and mercury(II) chloride. The compound crystallizes monoclinically; space group P 2 1 /n, a= 767.3(4), b=1854.7(7), c=872.5(7) pm, and β=101.48(5) o . The structure consists of a network of chains -Cl-Hg-Cl-Hg- and -(Cl-Hg-) 2 NCS-Hg-SCN-(Hg-Cl) 2 - which share common Hg atoms and form distorted hexagonal and trigonal channels. The hexamethylenetetramine molecules lie in the hexagonal channels","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"472 1","pages":"321-324"},"PeriodicalIF":0.8,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66865007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flexible ein-und zweikernige Aralkyl-und Aralkoxyquecksilberverbindungen als Modelle zum Nachweis von Hg(II)-Hg(II)-W echselwirkungen / Flexible Mono-and Dinuclear Aralkyl and Aralkoxy Mercury Compounds for Detection of Hg (II)-Hg (II) Interactions Hg(II)-Hg(II)-W echselwirkungen /单核和双核芳烷基和芳烷氧基汞化合物检测Hg(II)-Hg(II)相互作用
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1992-01-01 DOI: 10.1515/znb-1992-0306
Hans-Jürgen Öller, P. Kiprof, H. Schmidbaur
{"title":"Flexible ein-und zweikernige Aralkyl-und Aralkoxyquecksilberverbindungen als Modelle zum Nachweis von Hg(II)-Hg(II)-W echselwirkungen / Flexible Mono-and Dinuclear Aralkyl and Aralkoxy Mercury Compounds for Detection of Hg (II)-Hg (II) Interactions","authors":"Hans-Jürgen Öller, P. Kiprof, H. Schmidbaur","doi":"10.1515/znb-1992-0306","DOIUrl":"https://doi.org/10.1515/znb-1992-0306","url":null,"abstract":"The aralkyl and aralkoxy mercury(II) compounds 1-(chloromercury(II)methyl)naphthalene (1), bis[1-naphthylmethyl]mercury(II) (2), 1-naphthyl(1-naphthylmethyl)mercury(II) (3), 1,8-bis[chloromercury(II)methyl]naphthalene (4), methylmercury(II)-benzylate (5), methylmercury( II)-1-naphthylmethylate (6) and bis[methylmercury(II)]μ-1,8-naphthalenediyl-bismethylate (7) have been prepared and characterized by means of NMRspectroscopy, mass spectrometry and elemental analysis. The molecular structure of compound 2 has been determined by single X-ray crystallography. The unit cell of 2 contains two crystallographically independent molecules, one of which is disordered. The interatomic distances and angles meet the expectations with Hg ⋯ Hg separations larger than 5.60 Å, indicating the absence of metal metal interactions.","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"47 1","pages":"333 - 343"},"PeriodicalIF":0.8,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66888503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Calcium-bis{[tris(trimethylsilyl)silyl]tellanid} · 4 THF : Synthese, spektroskopische Charakterisierung und Struktur Calcium-bis{[去吧(trimethylsilyl) silyl] tellanid·4 THF:合成、spektroskopische特性和结构
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1992-01-01 DOI: 10.18419/OPUS-1299
G. Becker, K. Klinkhammer, W. Schwarz, M. Westerhausen, T. Hildenbrand
{"title":"Calcium-bis{[tris(trimethylsilyl)silyl]tellanid} · 4 THF : Synthese, spektroskopische Charakterisierung und Struktur","authors":"G. Becker, K. Klinkhammer, W. Schwarz, M. Westerhausen, T. Hildenbrand","doi":"10.18419/OPUS-1299","DOIUrl":"https://doi.org/10.18419/OPUS-1299","url":null,"abstract":"Calcium bis {[tris(trimethylsilyl)silyl]tellanide} · 4THF is obtained by metallation of tris(trimethylsilyl)silyl)tellane using dimeric calcium bis[bis(trimethylsilyl)amide] in toluene, followed by recrystallisation from tetrahydrofuran. The compound is characterized by a remarkable highfield shift of the 1 2.5 Te{1H}-NMR resonance (-2204 ppm vs. Me2Te). The X-ray structure determination (triclinie, pI; Z = 1; a = 1042.6(2), b = 995.7(2), c = 1379.6(3) pm; α= 90.06(2), β= 92.76(2),), γ= 94.03(2)° at -100 \"C) shows a distorted octahedral coordination sphere of the calcium atom (Ca-Te 319; Ca-O 236 and 241 pm). The two [tris(trimetbylsilyl)silyl}-tellanide ligands are in a trans position; the angle Ca-Te-Si is widened to 129°.","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"47 1","pages":"1225-1232"},"PeriodicalIF":0.8,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67640267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neue Sesquisulfide der Lanthanoide im U2S3-typ: Tb2Si3 und Dy2S3 硫化物新型硫化物:t2si3与Dy2S3
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1992-01-01 DOI: 10.15488/2449
T. Schleid
{"title":"Neue Sesquisulfide der Lanthanoide im U2S3-typ: Tb2Si3 und Dy2S3","authors":"T. Schleid","doi":"10.15488/2449","DOIUrl":"https://doi.org/10.15488/2449","url":null,"abstract":"New sesquisulfides o f the lanthanides with the U 2 S3-type structure (M 2 S3, M = T b and Dy) were prepared through the oxidation o f T bC lH 0 67 and D yCl2, respectively, with appropriate am ounts o f sulfur in the presence o f N aCl fluxes in silica protected sealed tan talum containers at 850 C for at least seven days. The preparation from the elements (2M + 3S; M = Tb and Dy) under otherwise analogous reaction conditions and tem peratures was also successful when equim oiar fluxes o f NaCl were applied. The crystal structure was determ ined from single crystal da ta for Tb-,S3 and Dy2 S3, both crystallizing with the U-,S3-type structure (orthorhom bic, Pnm a, Z = 4; T b 2 S3: a = 1067.87(8), b = 388.06(4), c = 1049.07(7) pm; Dy 2 S3: a = 1062.45(7), b = 386.59(4), c = 1044.36(8) pm) when prepared under the above-m entioned conditions.","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"47 1","pages":"45-50"},"PeriodicalIF":0.8,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67149474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Die Reaktionen von Wolframhexachlorid mit überschüssigem 2,2-Dimethylpropylidinphosphan : die Kristallstrukturen von WCl5P2(C5H9)3, WCl4P5(C5H9)5 und [C3(C4H9)3]+[WCl5(C4H9C≡CC4H9]- Wolframhexachlorid的反应应将2,2-Dimethylpropylidinphosphan: Kristallstrukturen WCl5P2 (C5H9) 3、WCl4P5 (C5H9) 5 [C3 (C4H9) 3] + [WCl5 (C4H9C≡CC4H9]——
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1991-01-01 DOI: 10.18419/OPUS-7391
F. Weller, I. Pauls, K. Dehnicke, G. Becker
{"title":"Die Reaktionen von Wolframhexachlorid mit überschüssigem 2,2-Dimethylpropylidinphosphan : die Kristallstrukturen von WCl5P2(C5H9)3, WCl4P5(C5H9)5 und [C3(C4H9)3]+[WCl5(C4H9C≡CC4H9]-","authors":"F. Weller, I. Pauls, K. Dehnicke, G. Becker","doi":"10.18419/OPUS-7391","DOIUrl":"https://doi.org/10.18419/OPUS-7391","url":null,"abstract":"The reaction of tungsten hexachloride with excess 2,2-dimethylpropylidynephosphane, C 4 H 9 -C≡P, leads to the tungsten phosphaalkyne clusters WCl 5 P 2 (C 5 H 9 ) 3 and WCl 4 P 5 (C 5 H 9 ) 5 , as well as to the tris(t-butyl)cyclopropenium pentachloro tungsten alkyne complex [C 3 (C 4 H 9 ) 3 ] + [WCl 5 (C 4 H 9 C≡CC 4 H 9 )] − . All complexes were characterized by X-ray structure determinations","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"46 1","pages":"519-529"},"PeriodicalIF":0.8,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67640913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthese und Struktur aminosubstituierter Tetraphosphetane 合成和结构单元
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1991-01-01 DOI: 10.18419/OPUS-7960
R. Appel, D. Gudat, E. Niecke, M. Nieger, C. Porz, H. Westermann
{"title":"Synthese und Struktur aminosubstituierter Tetraphosphetane","authors":"R. Appel, D. Gudat, E. Niecke, M. Nieger, C. Porz, H. Westermann","doi":"10.18419/OPUS-7960","DOIUrl":"https://doi.org/10.18419/OPUS-7960","url":null,"abstract":"A number of aminotetraphosphetanes could be obtained by reductive dehalogenation of dichlorophosphines with magnesium as well as by elimination of chlorotrimethylsilane from vicinal chlorosily-functionalized biphosphines and from [2+2]-cyclodimerization of aminodiphosphenes, respectively. The molecular structures of several tetraphosphetanes are reported and discussed. The torsion-angle of the four-membered rings varies from 22,5 to 45,7 depending on the size und electronegativity of the exocyclic ligands.","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"46 1","pages":"865-883"},"PeriodicalIF":0.8,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67641807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alkoxigermanate(II), -stannate(II) und -plumbate(II) zweiwertiger Metallionen. - I 二价金属离子的烷氧基海纳酸盐（II）、-锡酸盐（Ⅱ）和-铅酸盐（II）-我
IF 0.8 4区 化学
Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences Pub Date : 1991-01-01 DOI: 10.22028/D291-22554
M. Veith, Johannes Hans, Lothar Stahl, P. May, V. Huch, Angelika Sebald
{"title":"Alkoxigermanate(II), -stannate(II) und -plumbate(II) zweiwertiger Metallionen. - I","authors":"M. Veith, Johannes Hans, Lothar Stahl, P. May, V. Huch, Angelika Sebald","doi":"10.22028/D291-22554","DOIUrl":"https://doi.org/10.22028/D291-22554","url":null,"abstract":"Bis(tri-tert-butoxigernanates), -stannates and -plumbates of Mg, Sr, Ba, Cd, Eu and Pb have been synthesized by various procedures from starting materials such as sodium tri-tert-butoxigermanate and -plumbate and other analogous compounds","PeriodicalId":51215,"journal":{"name":"Zeitschrift Fur Naturforschung Section B-A Journal of Chemical Sciences","volume":"46 1","pages":"403-424"},"PeriodicalIF":0.8,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67971064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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