| | 1 | Author
| UlrichW. Annagat, Gabriele Bogedain, A. Drian Schervan, HeinrichC M Arsm Ann, DavidJ. Brauer, Hans Bürger, FrankD. Örrenbach, Gottfried Pawelke, Carl Krüger, Karl-Heinz Claus | Requires cookie* | | | Title
| Das Isosterenpaar S iO /P N , I Zur Isosterie von Perchlorcyclosiloxanen und Perchlorcyclophosphazenen. Schwingungsspektren und Röntgenstrukturanalyse von (Cl2SiO )3 und (Cl2SiO )4 The SiO/PN Isoelectronic Pair, I Perchlorocyclosiloxanes and Perchlorocyclophosphazenes. Vibrational Spectra and X-Ray Structure Analysis o f (Cl2SiO) 3 and (Cl2SiO) 4  | | | | Abstract
| Hexachlorocyclotrisiloxane (2) and octachlorocyclotetrasiloxane (4) were prepared by reac tion o f SiCl4 with 0 2 at 955 C. Their mass spectra are compared with those o f the isoelectronic cyclophosphazenes. The vibrational spectra o f 2 and 4 are very similar and closely related to that o f (PNC12)3, but clearly different from that o f the puckered (PNCU) 4 molecule. The X-ray examination o f 2 and 4 reveals planarity o f the (SiO)", n = 3 and 4 ring systems, with d (S i-O) on average 1.619(4) and 1.584(3) Ä, respectively. | | | |
Reference
| Z. Naturforsch. 46b, 931—9 (1991); eingegangen am 2. Novem ber 1990 | | | |
Published
| 1991 | | | |
Keywords
| Perchlorocyclosiloxanes, Perchlorocyclophosphazenes, Isoelectronic Relations, X-Ray, Vibrational Spectra | | | |
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| ZNB-1991-46b-0931 | | | | Volume
| 46 | |
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