1964
DOI: 10.1063/1.1725218
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Molecular and Crystal Structure of B20H16

Abstract: A single-crystal three-dimensional x-ray diffraction study has established the chemical composition and molecular structure of B20H16, which has D2d symmetry. Two B10H14 cages are joined together at the open faces, with the loss of all bridge H atoms, and loss of terminal H atoms on the four B atoms which join these cages. There are eight molecules in the tetragonal unit cell which has dimensions of a=9.650 and c=29.64 Å. The space group is I41/acd, and the molecules occupy sites of symmetry S4.

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Cited by 45 publications
(19 citation statements)
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“…However, a closoborane with the formula B 20 H 16 is known in which two B 12 icosahedra share four borane atoms. [10,11] The synthesis of new weakly coordinating anions is of general interest not only for basic research but also for technical applications. [12][13][14][15][16][17][18][19][20][21][22][23] The most promising class of such anions is halogenated closo-carborane ions, for example, [RCB 11 Hal 11 ] À (Hal = F, Cl, Br,).…”
mentioning
confidence: 99%
“…However, a closoborane with the formula B 20 H 16 is known in which two B 12 icosahedra share four borane atoms. [10,11] The synthesis of new weakly coordinating anions is of general interest not only for basic research but also for technical applications. [12][13][14][15][16][17][18][19][20][21][22][23] The most promising class of such anions is halogenated closo-carborane ions, for example, [RCB 11 Hal 11 ] À (Hal = F, Cl, Br,).…”
mentioning
confidence: 99%
“…Geburtstag gewidmet Nach der Synthese des ersten closo-Borat-Ions, [B 10 H 10 ] 2À , [1] im Jahre 1959 wurden alle weiteren [B n H n ] 2À -Ionen mit n = 6-12 [2][3][4][5][6][7][8] 2À handelt (Abbildung 1).[32]Borane und Borate mit dem flächenverknüpften {B 20 }-Gerüst wurden auch durch Reaktionen von B 20 H 16 mit LewisBasen erhalten, [10,11,33] …”
unclassified
“…Es gibt jedoch ein closo-Boran mit der Formel B 20 H 16 , bei dem sich zwei B 12 -Ikosaeder vier Boratome teilen. [10,11] Die Synthese neuer schwach koordinierender Anionen ist von genereller Bedeutung für die Grundlagenforschung und für technische Anwendungen. [12][13][14][15][16][17][18][19][20][21][22][23] Die vielversprechendste Klasse solcher Anionen sind halogenierte closo-CarboranatIonen, z.…”
unclassified
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