accordance. Atomic coordinates, bond lengths and angles, and thermal parameters, have been deposited at the Cambridge Crystallographic Centre. See Information for Authors, Issue No. 1.
Die Fulleride P(C6H5)4C60 · P(C6H5)4Cl, P(C6H5)4C60 · P(C6H5)4Br und As(C6H5)4C60 · As(C6H5)4Cl wurden durch Elektrokristallisation erhalten. Die Strukturbestimmung an Einkristallen ergab, daß alle drei Verbindungen isotyp in der Raumgruppe I4/m mit den folgenden Gitterkonstanten kristallisieren: a = 12,5731(9), c = 20,142(3) Å; a = 12,5378(10), c = 20,606(5) Å; a = 12,6003(11), c = 20,377(4) Å (Die Zahlen beziehen sich auf die Fulleride in der oben angegebenen Reihenfolge). Spektroskopische und magnetische Untersuchungen belegen die Existenz eines C60−‐Anions, das im Kristall orientierungsfehlgeordnet vorliegt.
TlAg6O8ClO4 has been synthesized for the first time by electrocrystallization. It is isostructural to silver clathrate salts like Ag7O8NO3, thus containing octacoordinated thallium(III) with d (Tl-O ) = 246 pm (Fm 3̄m , a = 1002.3(2) pm). The title compound shows temperature-independent paramagnetism, which appears to be caused by delocalization of unpaired electrons from Ag(II) into the conduction band.
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