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Pregled bibliografske jedinice broj: 257137

Low temperature Raman study of bis(trimethylsilyl)acetylene


Mohaček Grošev, Vlasta; Furić, Krešimir
Low temperature Raman study of bis(trimethylsilyl)acetylene // Journal of molecular structure, 834-836 (2007), 270-275 (međunarodna recenzija, članak, znanstveni)


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Naslov
Low temperature Raman study of bis(trimethylsilyl)acetylene

Autori
Mohaček Grošev, Vlasta ; Furić, Krešimir

Izvornik
Journal of molecular structure (0022-2860) 834-836 (2007); 270-275

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Raman ; low temperature ; methyl group ; phonons ; bis(trimethylsilyl)acetylene ; disorder

Sažetak
Low temperature Raman spectroscopy was applied in study of bis(trimethylsilyl)acetylene (BTMSA), a known catalyst with very low barrier for the internal rotation of methyl groups - less than 10 cal/mole (Sipachev et al. J. Mol. Struct. 523 (2000) 1.). Since crystals consisting of flexible molecules often show polymorphism, it was of interest to find out if it is the case of BTMSA. Phonon Raman spectra recorded from 10 K to 323 K were in complete agreement with previously determined crystal structure: for space group P21/c with Z = 2 six phonons are expected and six are observed below 100 cm-1. BTMSA crystallizes in trans confromation, also the most stable one in gas phase. All observed bands could be attributed to crystal splitting of molecular g modes of D3d symmetry into Ag and Bg modes of the point group C2h of the crystal.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija

Napomena
Molecular Spectroscopy and Molecular Structure 2006 - A Collection of Papers Presented at the XXVIIIth European Congress on Molecular Spectroscopy, Istanbul, Turkey - September 3-8, 2006



POVEZANOST RADA


Projekti:
MZOS-0098019 - Dinamika hidratacije šećera (Mohaček-Grošev, Vlasta, MZOS ) ( CroRIS)
MZOS-0098022 - Fizika i primjena nanostruktura (Furić, Krešimir, MZOS ) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Citiraj ovu publikaciju:

Mohaček Grošev, Vlasta; Furić, Krešimir
Low temperature Raman study of bis(trimethylsilyl)acetylene // Journal of molecular structure, 834-836 (2007), 270-275 (međunarodna recenzija, članak, znanstveni)
Mohaček Grošev, V. & Furić, K. (2007) Low temperature Raman study of bis(trimethylsilyl)acetylene. Journal of molecular structure, 834-836, 270-275.
@article{article, author = {Moha\v{c}ek Gro\v{s}ev, Vlasta and Furi\'{c}, Kre\v{s}imir}, year = {2007}, pages = {270-275}, keywords = {Raman, low temperature, methyl group, phonons, bis(trimethylsilyl)acetylene, disorder}, journal = {Journal of molecular structure}, volume = {834-836}, issn = {0022-2860}, title = {Low temperature Raman study of bis(trimethylsilyl)acetylene}, keyword = {Raman, low temperature, methyl group, phonons, bis(trimethylsilyl)acetylene, disorder} }
@article{article, author = {Moha\v{c}ek Gro\v{s}ev, Vlasta and Furi\'{c}, Kre\v{s}imir}, year = {2007}, pages = {270-275}, keywords = {Raman, low temperature, methyl group, phonons, bis(trimethylsilyl)acetylene, disorder}, journal = {Journal of molecular structure}, volume = {834-836}, issn = {0022-2860}, title = {Low temperature Raman study of bis(trimethylsilyl)acetylene}, keyword = {Raman, low temperature, methyl group, phonons, bis(trimethylsilyl)acetylene, disorder} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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  • Chemical Abstracts





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