Biphenylene Ring Expansion by a (H3C)2Si Link from Silicone Grease As Proven by the Crystal Structures of [(Sodium+[2.2.1]cryptand)(9,9-dimethylsilafluorene •-)] as Well as [Sodium+(triglyme)2(biphenylene•-)] and by Total-Reflection X-ray Fluorescence Spectrometry (TXRF)

Organometallics

Volumn 18, Issue 12, 1999, Pages 2387-2389

  Bock, Hans ^a   Sievert, Mark ^a   Bogdan, Camelia L ^a   Kolbesen, Bernd O ^a   Wittershagen, Axel ^a  

^a GOETHE UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000149875     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9807304     Document Type: Article

References (21)

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19. TXRF spectra were measured using an EXTRA IIA spectrometer (Atomika Instruments, Oberschleisaheim, Germany) equipped with excitation sources Mo Kα, W(L), and W(white), a Si(Li) solid-state detector, and a computer-controlled multichannel analyzer system. A 15 μL sample of each of the samples was pipetted onto a clean Perspex carrier and dried to a thin film, which was measured for 500 s with Mo Kα excitation.
20. -3; all Δ/ρ values < 0.001. The H centers were placed at calculated positions.
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