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- W2063751749 abstract "(PPh4)2Se6 entsteht in Form schwarzer Kristallnadeln bei der Einwirkung von Selen auf eine Lösung von K2 Se2 in Dimethylformamid in Gegenwart von K3 [Mn(CN)6] und Tetrapheylphosoniumbromid. Nach Der Kristallstrukturanalyse liegen PPh+4−Ionen und kettenförmige Hexaselenidionen vor. Raumgruppe P6, Z = 2, 4683 unabhängige beobachtete Reflexe, R = 6,6%. Gitterkonstanten bei −90° C: a = 651,0; b = 1094,8; c = 2137,4 pm; α = 82,66°; β = 83,36°; γ = 89,96°. Synthesis and Crystal Structure of (PPh4)2Se6 (PPh4)2Se6 has been prepared by the reaction of selenium with K2Se2 in dimethylformamide solution in the presence of K3[Mn(CN)6] and PPh4Br, forming black crystal needles. According to the crystal structure determination the compound consists of PPh+4 ions and chainlike hexaselenide ions. Space group P6, Z = 2,4683 Observed unique reflections, R = 0.066. Lattice dimensions at −90°C: a = 951.0, b = 1094.8, c = 2137.4 pm, α = 82.66°, β = 83.36°, γ = 89.96°." @default.
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- W2063751749 date "1992-01-01" @default.
- W2063751749 modified "2023-09-23" @default.
- W2063751749 title "Synthese und Kristallstruktur von (PPh4)2Se6" @default.
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- W2063751749 doi "https://doi.org/10.1002/zaac.19926070118" @default.
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