Formation and Crystal Structure of the Salt (IC(PPh3)2)2I[I3]·(I2)2 with a new Polyiodide Chain

Formation and Crystal Structure of the Salt (IC(PPh3)2)2I[I3]·(I2)2 with a new Polyiodide Chain

The reaction of the carbodiphosphorane Ph3P=C=PPh3 (1) with MeI in the presence of iodine gives the oxidation product (IC(PPh3)2)2I[I3]·(I2)2 (2). In the solid state dimeric units linked by indefinite ···I−···I2···I3−···I2···I−··· chains are found. An additional I···I contact between the cation and...

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Veröffentlicht in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2007-03, Vol.633 (3), p.365-367
Hauptverfasser: Petz, Wolfgang, Heimann, Samuel, Öxler, Florian, Neumüller, Bernhard
Format: Artikel
Sprache:eng
Schlagworte:
Carbodiphosphoranes
Crystal structure
Polyiodide chains
Triiodides
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Zusammenfassung:The reaction of the carbodiphosphorane Ph3P=C=PPh3 (1) with MeI in the presence of iodine gives the oxidation product (IC(PPh3)2)2I[I3]·(I2)2 (2). In the solid state dimeric units linked by indefinite ···I−···I2···I3−···I2···I−··· chains are found. An additional I···I contact between the cation and the I2 molecule is formed, amounting to 359.23(5) pm. 2 crystallizes in the monoclinic space group P2/c, with the unit cell dimensions a = 2053.9(1), b = 1011.4(1), c = 1889.8(1) pm; β = 105.21(1)° and Z = 4.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.200600311