Infra-Red and Raman Spectra of Polyatomic Molecules II. Cis- and Transbutene-2

Gershinowitz, Harold; Wilson, Edwin Bidwell

doi:10.1063/1.1750239

Cited by 25 publications

(3 citation statements)

References 8 publications

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“…A frequency assignment for the internal vibrations of cis-2-butene based upon the infrared absorption and Raman spectra reported by Gershinowitz and Wilson [10],2 was used to calculate the barrier restricting internal rotation of the methyl groups from the gaseous specific heat data of Kistiakowsky and Rice [9]. The spectroscopic value for the entropy of cis-butene in the ideal gas state involving this barrier is in good agreement with the experimental value of the entropy determined from the calorimetric data.…”

supporting

confidence: 60%

Thermodynamic properties of cis-2-butene from 15 degrees to 1,500 degrees K

Scott¹,

Ferguson²,

Brickwedde³

1944

J. RES. NATL. BUR. STAN.

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The followin g properties of a sample of cis-2-butene, 99.94 percent pure~ were measured: (1 ) the sp ecifi c heat of solid and of li quid from 15° to 300 o K, (2) h eat of fusion at the triple point (130.25 into joule g_l) , (3) triple-point temperature ( -13S.900 ± O.OOSo C) , (4) heats of vaporization at several temperatures between 246° and 2 93°K, and (5) vapor pressure from 200° to 296°K. With these experimental data, calculations were made of (1) the normal boiling temperature (3.71S°C) , (2) volume of the saturatcd vap or, (3) ent ha lpy and ent ropy of the solid and the liquid from 0° to 300 0 K , and (4) entropy, enthalpy , and spccific heat of the vapor in the ideal gas state from 245° to 300°K, Thermodynamic functions for cis--2-butene in the idea.l ga.s state from 300° to l,500 0 K were calculated from spectroscopic data . Thermodynamic data for the cis-trans isomerization of 2-butene are included.

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supporting

confidence: 60%

Thermodynamic properties of cis-2-butene from 15 degrees to 1,500 degrees K

Scott¹,

Ferguson²,

Brickwedde³

1944

J. RES. NATL. BUR. STAN.

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“…The interaction described before is responsible by the Table VII, where, for comparison, the calculated isolated frequencies obtained from eq 3 are also presented. There is good agreement between the two Key: sym = symmetric,as = asymmetric, v = stretch, 6 for cis-and trans-2-butene for all three types of C-H bonds. Also for comparison with the Y C H~~O , the local mode fundamental frequencies oc -2wgc are presented for each oscillator.…”

Section: -Methyl-zbutene and 23-dimethyl-2-butenementioning

confidence: 78%

“…In ref 2, this transition which was listed at 15 952 cm-1 was not assigned. The main transitions in the = 6 spectrum of íra/w-2-butene are easy to assign and are shown in Figure 7 and presented on Table III. The only uncertainties in this case are with respect to the origin of the combination bands.…”

Section: Discussionmentioning

confidence: 99%

Spectroscopy of C-H stretching vibrations of gas-phase butenes: cis-2-butene, trans-2-butene, 2-methyl-2-butene, and 2,3-dimethyl-2-butene

Manzanares¹,

Blunt²,

Peng³

1993

J. Phys. Chem.

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Raman‐spektralanalytische Untersuchung von Kohlenwasserstoffgemischen: Nachweis von Paraffinen und Olefinen mit gerader und verzweigter Kette

Goubeau¹,

Schneider²

1940

Angewandte Chemie

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U o u b e au u. 2) o n S c hn e i d e r : R n )n a ns p e k t r a I n n n t y 1 i sc he V n t e r 8u c h 11 n g v o n K o h t e n w a 8 s e r s t o 1 1 g P, in is c h e n 8 W . a u f t r i t t (siehe Tab. 2). Man erkennt, daR Ca-Ionen bei pn 8,5 u n d gewohnlicher T e m p e r a t u r n u r d a n n n i c h t in nennenswertem Ausmalj v o r h a n d e n sind, w e n n auf 1 Ca-Atom etwa 7 ,,P-Atome Hexametaphosphat" oder, besser gesagt, e t w a 1,25 Mol Na,P,O,, treffen. F u r d as N a t r i um t r i po 1 y p h 0 s p h a t m u s s e n z u r volls t a ndigeti komplexen B i n d u n g eines Ca-Ions mehr, namlich 10 P-Atome Tripolyphosphat = 3,3 Mol Na,P,O,, a n g e w a n d t werden.Wir halten es auf Grund dieser Tatsachen fiir richtig, dem Ca-Komplex d e s H e x a m e t a p h o s p h a t s d i e Zusammense t zung Na,CaP,O,, zuzuerteilen. D er e x per imentell gefundene UberschuR von 0,25 Mol Na,P,O,, dient d a z u , die Dissoziation dieses Komplexes Ca++ + Na,P,O,, + Na,CaP,O,, + ZNa+ so weit zuruckzudrangen, daR d a s L o s l i c h k e i t s p r o d u k t d e r K a l kseife n i c h t u b e r s c h r i t t e n wird. Fiir den K o m p l e x des Na,P,O,, g i l t dann folgerichtig d i e Zusammensefzung Ca(Na,P,O,,),, wobei e t w a 1,3 M o l Na,P,O,, i m Uber-schul3 notwendig s i n d , um d i e i m Dissoziations-Angawandle Chcmlt Sf. J ahrq. 1940. N h 4 5 / 4 6

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Infra-Red and Raman Spectra of Polyatomic Molecules II. Cis- and Transbutene-2

Cited by 25 publications

References 8 publications

Thermodynamic properties of cis-2-butene from 15 degrees to 1,500 degrees K

Thermodynamic properties of cis-2-butene from 15 degrees to 1,500 degrees K

Spectroscopy of C-H stretching vibrations of gas-phase butenes: cis-2-butene, trans-2-butene, 2-methyl-2-butene, and 2,3-dimethyl-2-butene

Raman‐spektralanalytische Untersuchung von Kohlenwasserstoffgemischen: Nachweis von Paraffinen und Olefinen mit gerader und verzweigter Kette

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