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Nouvelle cuve chauffante et evacuable pour l'infra-rouge 新的加热和可疏散的红外线容器
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80150-9
V. Tabacik
{"title":"Nouvelle cuve chauffante et evacuable pour l'infra-rouge","authors":"V. Tabacik","doi":"10.1016/0371-1951(66)80150-9","DOIUrl":"10.1016/0371-1951(66)80150-9","url":null,"abstract":"<div><p>The details of the construction of a cell for the measurement, in the gase phase, of IR absorption spectra of crystalline substances is described. The cell can be evacuated to 10<sup>−5</sup> mm Hg, heated to 250°C, and is equipped with interchangeable windows; its volume is approximately 100 ml and the optical path is 10 cm. The measurable quantity of substance is on the order of a few tens of milligrams and the substance is quantitatively recovered in a pure state after the measurement. Some problems posed by the functioning and the maintenance of the cell, as well as the advantages of the method, are discussed.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1530-1532"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80150-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84747011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Infrared spectroscopic evidence of N3(D3h) N3(D3h)的红外光谱证据
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80140-6
J.I. Bryant
{"title":"Infrared spectroscopic evidence of N3(D3h)","authors":"J.I. Bryant","doi":"10.1016/0371-1951(66)80140-6","DOIUrl":"10.1016/0371-1951(66)80140-6","url":null,"abstract":"","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1475-1477"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80140-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82203181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Infrared and Raman spectra of 1,2,5-thiadiazole 1,2,5-噻二唑的红外和拉曼光谱
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80134-0
B. Šoptrajanov , G.E. Ewing
{"title":"Infrared and Raman spectra of 1,2,5-thiadiazole","authors":"B. Šoptrajanov ,&nbsp;G.E. Ewing","doi":"10.1016/0371-1951(66)80134-0","DOIUrl":"10.1016/0371-1951(66)80134-0","url":null,"abstract":"<div><p>The infrared spectra of 1,2,5-thiadiazole and 1,2,5-thiadiazole-<em>d</em><sub>2</sub> in the gaseous and liquid states, have been measured between 4000 and 400 cm<sup>−1</sup>. The Raman spectrum of liquid 1,2,5-thiadiazole has also been obtained. An assignment of all the infrared active modes was based on the rotational envelope contours of the gas phase spectra, the isotope shift and the polarization measurements of the Raman spectrum. The two infrared inactive but Raman active <em>A</em><sub>2</sub> modes were not detected.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1417-1426"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80134-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87946204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Spectres et structure de composés de coordination pyridines 吡啶配位化合物的光谱和结构
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80146-7
F. Herbelin, J.D. Herbelin, J.P. Mathieu, H. Poulet
{"title":"Spectres et structure de composés de coordination pyridines","authors":"F. Herbelin,&nbsp;J.D. Herbelin,&nbsp;J.P. Mathieu,&nbsp;H. Poulet","doi":"10.1016/0371-1951(66)80146-7","DOIUrl":"10.1016/0371-1951(66)80146-7","url":null,"abstract":"<div><p>Infra-red absorption spectra of 15 coordination compounds of pyridine with Pt, Rh and Ir have been observed between 100 and 3200 cm<sup>−1</sup>; in some cases ultra-violet and Raman spectra have also been observed. The influence of co-ordination on the vibration spectrum of pyridine, the structure of the co-ordinated units and the differences in the spectra of <em>cis-trans</em> isomers are discussed.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1515-1522"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80146-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79257886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Characteristic infra-red absorption frequencies of organophosphorus compounds—VI. Bonds between phosphorus and nitrogen 有机磷化合物的特征红外吸收频率- 6。磷和氮之间的键
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80138-8
Rosemary A. Chittenden, L.C. Thomas
{"title":"Characteristic infra-red absorption frequencies of organophosphorus compounds—VI. Bonds between phosphorus and nitrogen","authors":"Rosemary A. Chittenden,&nbsp;L.C. Thomas","doi":"10.1016/0371-1951(66)80138-8","DOIUrl":"10.1016/0371-1951(66)80138-8","url":null,"abstract":"<div><p>In cyclic compounds, and others containing NPN groups, ν<sub>PN</sub> is assigned to the region 1170–1438 cm<sup>−1</sup>. In compounds in which resonance hybrids involving PN appear unlikely ν<sub>PN</sub> is found in the range 1325–1400 cm<sup>−1</sup>. It is suggested that this upper limit would be exceeded in compounds of this type containing fluorine substituents.</p><p>The literature assignments for PN bonds are discussed and it is suggested that this bond is best identified by indirect correlations. Such correlations are described for PNH<sub>2</sub>, PNHR, PNR<sub>2</sub>, <figure><img></figure>, PNC and PNP groups. As a result of these correlations it is concluded that ν<sub>PN</sub> should be assigned to the range 873–1053 cm<sup>−1</sup>.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1449-1463"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80138-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74503247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 56
Infra-red spectrum of o-bromotoluene 邻溴甲苯的红外光谱
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80144-3
G. Joshi, N.L. Singh
{"title":"Infra-red spectrum of o-bromotoluene","authors":"G. Joshi,&nbsp;N.L. Singh","doi":"10.1016/0371-1951(66)80144-3","DOIUrl":"10.1016/0371-1951(66)80144-3","url":null,"abstract":"<div><p>The infra-red spectrum of <em>o</em>-bromotoluene has been investigated in liquid phase in the region 700–4590 cm<sup>−1</sup>. Assignments of the observed frequencies have been proposed by assuming <em>C<sub>s</sub></em> symmetry for the molecule.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1501-1503"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80144-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73226601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Lattice vibrations and the force field of K2PtCl4, K2PdCl4 and K2PtCl4 K2PtCl4、K2PdCl4和K2PtCl4的晶格振动和力场
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80142-X
J. Hiraishi, T. Shimanouchi
{"title":"Lattice vibrations and the force field of K2PtCl4, K2PdCl4 and K2PtCl4","authors":"J. Hiraishi,&nbsp;T. Shimanouchi","doi":"10.1016/0371-1951(66)80142-X","DOIUrl":"10.1016/0371-1951(66)80142-X","url":null,"abstract":"<div><p>The far infra-red spectra of K<sub>2</sub>PtCl<sub>4</sub>, K<sub>2</sub>PdCl<sub>4</sub> and K<sub>2</sub>PtCl<sub>6</sub> have been measured in the frequency region from 500 to 600 cm<sup>−1</sup> and a normal co-ordinate treatment has been made for these compounds on considering the lattice vibrations. It has been shown that the modified Urey-Bradley force field is adequate for K<sub>2</sub>PtCl<sub>4</sub>. The potential functions between K<sup>+</sup> ion and Cl atom has been discussed.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1483-1491"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80142-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81233783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 57
The vibrational spectra and structures of phosphorus compounds—I. Diphosphine disulfides 磷化合物的振动光谱和结构- 1。Diphosphine二硫化
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80136-4
A.H. Cowley, W.D. White
{"title":"The vibrational spectra and structures of phosphorus compounds—I. Diphosphine disulfides","authors":"A.H. Cowley,&nbsp;W.D. White","doi":"10.1016/0371-1951(66)80136-4","DOIUrl":"10.1016/0371-1951(66)80136-4","url":null,"abstract":"<div><p>The infrared spectra of nine diphosphine disulfides, R<sub>2</sub>P(S)P(S)R<sub>2</sub>, have been recorded in the 250–1200 cm<sup>−1</sup> range both in solution and in the solid state. Some Raman data is reported for the tetramethyl, tetra(ethyl), and tetra(<em>n</em>-butyl) compounds. The most satisfactory interpretation of the data is that all the compounds exist in the <em>trans</em> (<em>C</em><sub>2<em>h</em></sub>) conformation of the diphosphine disulfide structure in the solid state. The PS antisymmetric stretching frequency was found to have a similar dependency on the nature of the substituents to that reported for tertiary phosphine sulfides. The infrared spectrum of tetraphenyldiphosphine is also reported.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1431-1440"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80136-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90179991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Infra-red spectra and phase transitions of choline chloride 氯化胆碱的红外光谱和相变
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80148-0
A. Théorět, C. Sandorfy
{"title":"Infra-red spectra and phase transitions of choline chloride","authors":"A. Théorět,&nbsp;C. Sandorfy","doi":"10.1016/0371-1951(66)80148-0","DOIUrl":"10.1016/0371-1951(66)80148-0","url":null,"abstract":"","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1527-1528"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80148-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87583265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Determination of tin by atomic absorption spectroscopy 原子吸收光谱法测定锡
Spectrochimica Acta Pub Date : 1966-08-01 DOI: 10.1016/0371-1951(66)80145-5
L. Capacho-Delgado , D.C. Manning
{"title":"Determination of tin by atomic absorption spectroscopy","authors":"L. Capacho-Delgado ,&nbsp;D.C. Manning","doi":"10.1016/0371-1951(66)80145-5","DOIUrl":"10.1016/0371-1951(66)80145-5","url":null,"abstract":"<div><p>Using high-brightness lamps and a hydrogen—air flame, the determination of tin is as convenient as any other atomic absorption analysis. High-brightness lamps increase the emission of the 2246 Å resonance line about seventy times. Hydrogen—air flames increase the sensitivity over acetylene—air flames about 2·5 times. Tin sensitivity is about 1 ppm for 1 percent absorption and the detection limit is about 0·1 ppm in a water solution. Several National Bureau of Standards (NBS) metallurgical samples were analyzed for tin.</p></div>","PeriodicalId":101180,"journal":{"name":"Spectrochimica Acta","volume":"22 8","pages":"Pages 1505-1513"},"PeriodicalIF":0.0,"publicationDate":"1966-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0371-1951(66)80145-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88129414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 37
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