2002
DOI: 10.1016/s1293-2558(01)01234-1
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Alkali metal copper acetylides ACuC2 (A=Na–Cs): synthesis, crystal structures and spectroscopic properties

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Cited by 26 publications
(19 citation statements)
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“…As already mentioned ternary copper and silver acetylides of composition AM For ternary palladium and platinum acetylides we showed that solid-state NMR spectroscopy is a very helpful tool to get a more detailed view on the structural properties of these compounds. For ternary copper, silver and gold acetylides 13 C solid-state NMR spectra have only been recorded for KCuC 2 , RbCuC 2 and CsCuC 2 up to now [27]. But for those we measured very interesting spectra (Figure 11), as the carbon resonance line is complicatedly split due to coupling of the carbon nucleus (I = ½) with the copper nuclei (I = 3/2 for the isotopes 63 Cu and 65 Cu).…”
Section: < Figure 7 >mentioning
confidence: 87%
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“…As already mentioned ternary copper and silver acetylides of composition AM For ternary palladium and platinum acetylides we showed that solid-state NMR spectroscopy is a very helpful tool to get a more detailed view on the structural properties of these compounds. For ternary copper, silver and gold acetylides 13 C solid-state NMR spectra have only been recorded for KCuC 2 , RbCuC 2 and CsCuC 2 up to now [27]. But for those we measured very interesting spectra (Figure 11), as the carbon resonance line is complicatedly split due to coupling of the carbon nucleus (I = ½) with the copper nuclei (I = 3/2 for the isotopes 63 Cu and 65 Cu).…”
Section: < Figure 7 >mentioning
confidence: 87%
“…The former can be removed with liquid ammonia so that single-phase KAgC 2 is obtained. Using this approach many ternary copper, silver, and gold acetylides were synthesized [27,28,29]. For the synthesis of some ternary copper acetylides a slightly different reaction route was used [27]:…”
Section: < Figure 5 >mentioning
confidence: 99%
“…[7] In the latter work we also showed that A I 2 C 2 compounds with A I = K, Rb,Csshow some solubility in liquid ammonia. [10] We mainly achieved two series of compounds with the general compositions A I M I C 2 with A I = Li-Cs and M I = Cu, [11] Ag, [12] Au [13] and A I 2 M 0 C 2 with A I = Na-Cs and M 0 = Pd, Pt. [8] But despite some very spectacular results [9] their work was hampered by the fact that crystal structure elucidation from powder diffraction turned out to be impossible in most cases and that the handling of many of the investigated compounds was difficult due to their highly explosive nature.I tw as again our group that was able to present the first crystal structures of ternary alkali metal transition metal acetylides containing C 2 2À anions.…”
mentioning
confidence: 99%
“…[5] In der ersten Hälfte des letzten Jahrhunderts war die großtechnische Produktion von CaC 2 ausgehend von Calciumoxid und Kohle von großer Bedeutung für die Gewinnung von Acetylen. [9] Um zu klären, ob diese Reaktion auf eine, wenn auch geringe Lçslichkeit von A I 2 C 2 in flüssigem Ammoniak schließen lässt, haben wir das System A I 2 C 2 /NH 3 (l) genauer untersucht. [7] Neben der Hydrolyse sind jedoch bis heute kaum weitere Reaktionen der Alkalimetall-und Erdalkalimetallacetylide bekannt, was sicherlich auch mit deren Unlçslichkeit in gängigen Lçsungsmitteln, wie sie bisher in der Literatur beschrieben wurde, [8] zusammenhängt.…”
unclassified
“…Überraschenderweise haben wir bei der Synthese von ternären Kupferacetyliden A I CuC 2 mit A I = K-Cs beobachtet, dass eine Suspension aus A I 2 C 2 in flüssigem Ammoniak bei À78 8C innerhalb von Minuten mit CuI zur Reaktion gebracht werden kann. [9] Um zu klären, ob diese Reaktion auf eine, wenn auch geringe Lçslichkeit von A I 2 C 2 in flüssigem Ammoniak schließen lässt, haben wir das System A I 2 C 2 /NH 3 (l) genauer untersucht. Es gibt eine Reihe eindrucksvoller Beispiele, die die Vielseitigkeit von flüssigem Ammoniak zur Stabilisierung von ungewçhnlichen Hauptgruppenelementclustern beschreiben.…”
unclassified