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N.M.R. study of the125Te shielding anisotropy of tellurophene dissolved in various nematic liquid crystals

 

作者: J. Jokisaari,   T. Väänänen,  

 

期刊: Molecular Physics  (Taylor Available online 1986)
卷期: Volume 58, issue 5  

页码: 959-964

 

ISSN:0026-8976

 

年代: 1986

 

DOI:10.1080/00268978600101701

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The125Te N.M.R. spectrum of tellurophene in three liquid crystals was recorded and analysed. The different orientational behaviour of tellurophene in the liquid crystals enabled the anisotropy of the tellurium-125 shielding tensor, σzz- 1/2(σxx+ σyy), and the difference σxx- σyyof the tensor elements to be determined. The resulting values are -1569 ± 21 ppm and 307 ± 26 ppm, respectively. The analysis of the125Te N.M.R. spectra is also discussed.

 

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