1998
DOI: 10.1002/(sici)1521-3749(199809)624:9<1492::aid-zaac1492>3.3.co;2-z
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Cited by 6 publications
(11 citation statements)
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“…The binary azides of alkali metals represent ionic compounds containing symmetric azide anions [1]. Depending on the cation size, they crystallize in distorted NaCl (LiN 3 [2], NaN 3 [2]) or CsCl (KN 3 [2], RbN 3 [2], CsN 3 [2]) type structures.…”
Section: Introductionmentioning
confidence: 99%
“…The binary azides of alkali metals represent ionic compounds containing symmetric azide anions [1]. Depending on the cation size, they crystallize in distorted NaCl (LiN 3 [2], NaN 3 [2]) or CsCl (KN 3 [2], RbN 3 [2], CsN 3 [2]) type structures.…”
Section: Introductionmentioning
confidence: 99%
“…Nur für Liganden, die zu einer schwachen Ligandenfeldaufspaltung führen, wird auch die oktaedrische Koordination beobachtet. Beispielhaft hierfür kçnnen die Fluoride des Palladiums genannt werden, bei denen sowohl für die bekannten Modifikationen von PdF 2 [1][2][3][4] als auch für die polynären Verbindungen APdF 3 (A = K, Rb), [2] PdZrF 6 , [5] CsPd 2 F 5 , [6] PdAu 2 F 8 , [7] LiPdGaF 6 und RbPdAlF 6 [8] nahezu unverzerrte [PdF 6 ]-Oktaeder beobachtet werden. Demgegenüber findet man beim Einsatz von Oxidliganden nahezu immer die typisch quadratisch-planare Umgebung.…”
unclassified
“…Dieses beobachtet man beispielsweise in den Strukturen von Ca 2 PdWO 6 [11] und PdAs 2 O 6 , [12] die eng verwandt sind mit den Strukturen von Perowskit und Aluminiumtrichlorid und unbesetzte Oktaederlücken in dichtesten Packungen von Oxidionen aufweisen. Zwei weitere interessante Beispiele stammen aus der Chemie der Polyoxometallate: In den Anionen [Pd 13 (AsPh) 8 O 32 ] 6À und [Pd 13 Se 8 O 32 ] 6À befindet sich jeweils eines der dreizehn Pd 2+ -Ionen in oktaedrischer bzw. kubischer Koordination von Sauerstoffatomen.…”
unclassified
“…Iodine (9 g, 35.4 mmol) and KI (16 g, 96.3 mmol) were dissolved in hydrochloric acid (70 mL, 1m). (NMe 4 ) 2 [Mo 2 O 2 S 6 ] [13] (10 g, 17.7 mmol) was suspended in an aqueous solution of KI (60 mL, 0.7 m), and the iodine solution was slowly added to the suspension with vigorous stirring. The resulting solution was heated to 50 8C for 10 min.…”
Section: Methodsmentioning
confidence: 99%
“…Since M41S is obtained as a fine, porous precipitate from a heterogeneous reaction mixture, these nanostructured ceramic oxides have extraordinarily large specific surface areas. [12] An alternative approach to mesoporous molecular sieves is the exploitation of nonionic surfactants (primary amines) at low concentration, [13] which affords similar materials to M41S. Mesoporous ceramic oxides obtained in the presence of oligoethylene oxide surfactants [14] are less regular than M41S (as determined by X-ray diffraction, which usually reveals just one diffraction peak), but still exhibit high specific surface areas and narrow pore size distributions.…”
Section: Mesoporous Silica From Lyotropic Liquid Crystal Polymer Tempmentioning
confidence: 99%