1972
DOI: 10.1002/zaac.19723930307
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Darstellung und Struktur von Na4Ge2S6 · 14H2O und Na4Sn2S6 · 14H2O

Abstract: Die in reiner Form isolierten Verbindungen Na4Ge2S6 · 14 H2O (I) und Na4Sn2S6 · 14 H2O (II) wurden durch eine vollständige Röntgenstrukturanalyse charakterisiert. Die in der Litreatur bisher beschriebenen „Trithiogermanate MI2GeS3”︁ und „Trithiostannate MI2SnS3”︁ erweisen sich danach als Verbindungen mit isolierten Ge2S4−6 ‐ bzw. Sn2S4−6 ‐Ionen, die aus zwei über eine Kante verknüpften Tetraedern bestehen. Hexathiodiegermant und ‐distanat bilden einen bisher nicht beobachteten Typ anorganischer Tetraderionen. … Show more

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Cited by 113 publications
(64 citation statements)
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“…The two isotypic structures contain chains of distorted edge-sharing SiS 4 and SiSe 4 tetrahedra running parallel to e. Comparison of the observed Si-S distances to the mean value of about 2.12-2.14 A in a large number of 'unstrained' Si-S compounds [see, for example, Mandt & Krebs (1976); Krebs & Mandt (1977); to this class belongs the quartz-like highpressure modification of SiS 2: Prewitt & Young (1965)] shows that the angular strain imposed on the tetrahedra by their edge sharing by no means results in a bond lengthening. Similar observations are made in Si2SzBr4 AI,./~] (Peters, Mandt, Meyring & Krebs, 1981) and in the polymeric systems of high-temperature GeS 2 [Ge-S 2.223 (5) A] and GeSe 2 [Ge-Se 2.361 (5) A] (Dittmar & Sch/ifer, 1975, 1976, This is, however, in contrast to the dimeric anions Ge2S ~- (Krebs, Pohl & Schiwy, 1972;Eulenberger, 1978) and Ge2Se~- (Krebs & Mfiller, 1982)where the Ge-S [2.272 (2) and 2.274 (3) A] and Ge-Se [2.417(2)A] bonds in the fourmembered rings are significantly longer (with a corresponding shortening of the negatively charged terminal ones).…”
supporting
confidence: 72%
“…The two isotypic structures contain chains of distorted edge-sharing SiS 4 and SiSe 4 tetrahedra running parallel to e. Comparison of the observed Si-S distances to the mean value of about 2.12-2.14 A in a large number of 'unstrained' Si-S compounds [see, for example, Mandt & Krebs (1976); Krebs & Mandt (1977); to this class belongs the quartz-like highpressure modification of SiS 2: Prewitt & Young (1965)] shows that the angular strain imposed on the tetrahedra by their edge sharing by no means results in a bond lengthening. Similar observations are made in Si2SzBr4 AI,./~] (Peters, Mandt, Meyring & Krebs, 1981) and in the polymeric systems of high-temperature GeS 2 [Ge-S 2.223 (5) A] and GeSe 2 [Ge-Se 2.361 (5) A] (Dittmar & Sch/ifer, 1975, 1976, This is, however, in contrast to the dimeric anions Ge2S ~- (Krebs, Pohl & Schiwy, 1972;Eulenberger, 1978) and Ge2Se~- (Krebs & Mfiller, 1982)where the Ge-S [2.272 (2) and 2.274 (3) A] and Ge-Se [2.417(2)A] bonds in the fourmembered rings are significantly longer (with a corresponding shortening of the negatively charged terminal ones).…”
supporting
confidence: 72%
“…La premi6re s6rie de compos6s comprend entre autres: Na4SnS4 (Jumas, Vermot-Gaud-Daniel & Philippot, 1973); Na6Sn2S 7 (Jumas, Fourcade, Daniel, Ribes, Philippot & Maurin, 1974); NaaSn2S6.14H20 (Krebs, Pohl & Schiwy, 1972); Na4Sn3S8 (Jumas, Philippot & Maurin, 1974);Mg2SnS4 (Rockt/ischel, Ritter & Weiss, 1964); Ca2SnS4, Sr2SnS4, Ba2SnS4 fl (Susa & Steinfink, 1971); Ba2SnS4 ~ (Maurin, 1974); Ba3Sn2S7 . Dans ces compos6s l'6tain (IV) occupe un site t6tra6drique.…”
Section: Resultsunclassified
“…[7] The most often observed SnS x building units are the [SnS 4 ] 4tetrahedron [8][9][10][11][12][13] and the [Sn 2 S 6 ] 4bi-tetrahedron. [14][15][16][17][18][19][20][21][22][23][24][25] Less-common species are e.g. the [Sn 2 S 7 ] 6building unit [26] or the polymeric [SnS 3 ] ϱ 2-, anion which are formed by condensation of the [SnS 4 ] 4moiety yielding a series with the general formula [Sn m S n ] (2n-4m)- [27] as well as the adamantane-like [Sn 4 S 10 ] 4anion.…”
Section: Introductionmentioning
confidence: 99%