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C2H5-X(X=Cl,Br,I)およびC2H5-X-H(X=O,S)のRaman,IRならびにNMR-I : C2H5-X(X=Cl, Br, I) の Raman, IRおよびNMR

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タイトル: C2H5-X(X=Cl,Br,I)およびC2H5-X-H(X=O,S)のRaman,IRならびにNMR-I : C2H5-X(X=Cl, Br, I) の Raman, IRおよびNMR
その他のタイトル: The Raman, IR and NMR of C2H5-X(X=Cl, Br, I) and C2H5-X-H(X=O, S). I. The Raman, IR and NMR of C2H5-X(X=Cl, Br, I) / C_2 H_5 -X(X=Cl,Br,I)およびC_2 H_5 -X-H(X=O, S)のRaman,IRならびにNMR I : C_2 H_5 -X(X=Cl,Br,I)のRaman,IRおよびNMR
著者: 浜田, 圭之助 / 森下, 浩史
著者(別表記) : Hamada, Keinosuke / Morishita, Hirofumi
発行日: 1976年 2月29日
出版者: 長崎大学教育学部
引用: 長崎大学教育学部自然科学研究報告. vol.27, p.45-51; 1976
抄録: The obtained vibrational spectra of ethyl halides do not seem to be explained on the basis of the possible symmetries ; Cs, C2 or C1 for rigid structures of ethyl halides. Considered as a rigid structure, a Cs symmetry is the highest one for C2H5- X(X=Cl, Br, I), for which the selection rules predict 18 fundamentals to be both in Raman and infrared active. A non-rigid structure in which CH2 group rotates freely with respect to the three hydrogen atoms of CH3 group, seems to be more reasonable for CH3-CH2-X. The selection rules derived from the non-rigid structure yield 8 fundamentals(4A1+4E) due to CH3-(Y)-X(Y=CH2)(C3v) and a few fundamentals due to the added CH2 group. The obtained spectra of ethyl halides can be explained on the basis of the selection rules for the above non-rigid molecule. In addition, the NMR specra of these compounds strongly suppot a non-rigid C3v model.
URI: http://hdl.handle.net/10069/32816
ISSN: 0386443X
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher

引用URI : http://hdl.handle.net/10069/32816



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