| Item type |
紀要論文 / Departmental Bulletin Paper(1) |
| 公開日 |
2015-03-26 |
| タイトル |
|
|
タイトル |
N-メチルアセトアミド,アセトアニリド及びδ-ヴァレロラクタムの双極子能率について |
| 言語 |
|
|
言語 |
jpn |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
departmental bulletin paper |
| その他のタイトル（英） |
|
|
その他のタイトル |
On the Dipole Moments of N-methylacetamide, Acetanilide and δ-valerolactam |
| 著者 |
長倉, 三郎
久保山, 昭
NAGAKURA, Saburo
KUBOYAMA, Akira
|
| 著者所属 |
|
|
|
東京大學理工學研究所 |
| 著者所属 |
|
|
|
東京大學理工學研究所 |
| 著者所属（英） |
|
|
|
en |
|
|
THE INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY OF TOKYO |
| 著者所属（英） |
|
|
|
en |
|
|
THE INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY OF TOKYO |
| 出版者 |
|
|
出版者 |
東京大学理工学研究所 |
| 書誌情報 |
東京大學理工學研究所報告
巻 5,
号 1/2,
p. 27-31,
発行日 1951-08-20
|
| 抄録（英） |
|
|
内容記述タイプ |
Other |
|
内容記述 |
Dipole moments of N-methylacetamide, acetanilide and δ-valerolactam were measured in various solutions. It was found that the molecular polarization of N-metylacetamide in the carbon tetrachloride solution becomes smaller as the concentration decreases. This can be explained by assuming that N-metylacetamide forms associated molecules with larger moments. The fact that the apparent dipole moment of this molecule decreases with rising temperature also supports this view. The same fact was observed on the acetanilide molecule in the benzene solution. On the other hand, the result of the measurement on δ-valerolactam in the carbon tetrachloride solution showed that the molecular polarization of this molecule increases rapidly with decreasing concentration. From this fact it may be concluded that δ-valerolactam, whose >C=O and >N-H groups are considered to be in the cis-position to each other, forms a ring dimer in the carbon tetrachloride solution. Furthermore, dipole moments of N-methylacetamide and acetanilide were measured in dioxane which tends to dissociate the associated solute molecules into single ones. A normal polarization-concentration relation was found here and the values of dipole moments were obtained as follows : N-methylacetamide, 4.12 D ; acetanilide, 4.02 D respectively. (Received March 12, 1951) |
| ISSN |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
0371-6090 |
| 書誌レコードID |
|
|
収録物識別子タイプ |
NCID |
|
収録物識別子 |
AN00162611 |
| 資料番号 |
|
|
内容記述タイプ |
Other |
|
内容記述 |
資料番号: SA1511517000 |
SA1511517.pdf (413.1 kB)
