1993
DOI: 10.1002/anie.199314281
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[AltBu]: EPR Spectroscopic Evidence and Ab Initio Calculations

Abstract: no 15) with u=2130(3), h=1251(2), c=2295(3)pm, 8=325.28(9)'. Z = 4, V = 4992(12) x lo6 pm', Mo,, radiation, graphite monochromator, four-circle diffractometer STOE STADI4. reflections: 6474 observed. 6322 unique. of these 5141 with 1>2.50(/) were used for the refinement of 358 parameters: structure solution by using direct methods. no absorption correction. R = 0.0328, Rw = 0.0409, residual electron density + 0.99 1 -1.2 eo/A'. Further details ofthe crystal structure investigation are available on request from… Show more

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Cited by 43 publications
(24 citation statements)
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“…The absence of a Ga 6 compound with an octahedral Ga 6 framework—in [Ga 6 Cp$\rm{_{{6}}^{\ast}}$ ]29 the very long GaGa bond lengths (4.07 and 4.17 Å) show that these bonds must described differently—and that many compounds with octahedral boron (e.g. B 6 I 6 2− 73) or Al 6 frameworks ([Al 6 R 6 ] − , R= t Bu74) exist, indicate that the topological similarities in certain element modifications and clusters are a result of the special bonding options available to gallium atoms. The description of the [Ga 6 R 8 ] 2− cluster 8 as metalloid —or in this case preferably as elementoid (in relation to β ‐gallium)—‐is therefore plausible.…”
Section: Metalloid Gallium Compoundsmentioning
confidence: 99%
“…The absence of a Ga 6 compound with an octahedral Ga 6 framework—in [Ga 6 Cp$\rm{_{{6}}^{\ast}}$ ]29 the very long GaGa bond lengths (4.07 and 4.17 Å) show that these bonds must described differently—and that many compounds with octahedral boron (e.g. B 6 I 6 2− 73) or Al 6 frameworks ([Al 6 R 6 ] − , R= t Bu74) exist, indicate that the topological similarities in certain element modifications and clusters are a result of the special bonding options available to gallium atoms. The description of the [Ga 6 R 8 ] 2− cluster 8 as metalloid —or in this case preferably as elementoid (in relation to β ‐gallium)—‐is therefore plausible.…”
Section: Metalloid Gallium Compoundsmentioning
confidence: 99%
“…B. B 6 I 6 2− ,73 Al 6 t Bu 6 − 74) existieren, weist darauf hin, dass die Ähnlichkeit der Strukturen von Elementmodifikationen und Clustern auf die besonderen Bindungsmöglichkeiten von Galliumatomen zurückgeführt werden können. Es erscheint daher plausibel, den Cluster 8 als metalloid einzustufen (oder in diesem Fall noch besser als elementoid).…”
Section: Metalloide Galliumverbindungenunclassified
“…So gibt es bereits im Bereich der tetraedrischen M 4 R 4 -Verbindungen fu È r die Elemente Bor, Aluminium und Gallium zahlreiche Beispiele (B [2], Al [3], Ga [4]). Demgegenu È ber sind bisher nur fu È r Bor und Aluminium Beispiele fu È r oktaedrische M 6 R 6 -Verbindungen bekannt [B [5], Al [6]]. Eine entsprechende Galliumverbindung fehlt bisher [7].…”
unclassified