Far-infrared spectra of imidazole monocrystals

✍ Scribed by H.R. Zelsmann; P. Excoffon; Y. Marechal

• Publisher: Elsevier Science
• Year: 1984
• Tongue: English
• Weight: 468 KB
• Volume: 110
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(84)85230-6

✦ Synopsis

Drboraroke de R&onance ~~f~gn&&e. D&arremenr de RedrercJxe Fondamenru!e. Cent-e d %rudes n'ickire~ de Grenoble-85X. F38ojl Grenoble Cede-q Fr~re Keceised 17 Ma)' 19S4; in final form 6 JuIy I984 The spectm of imidatok monocrysrals hxing their c nis (the average direction of H-lmndst in the obsmarion plane have ken recorded in rhsnnge 50-500 cm-' _ 7&e tt*o prtramrrcrs stied are umpsr;irure and pokr&.ation. From the xo-iation of pobriwtion. tie are able to gjw 3 clear rtssi_gnmenr of all vibr~~%o~, arid particularly of those stiIl lxking in the iitrrxure. The chsngcs of tie spectra with temperature cm be inrerpreted, in s f=sr z+pprati5oon, by assuming rhar alf modes are mod&ted by a vibntion lihich has _I frequency f&ins betueen 30 md 60 cm-' _