dc.contributor.author |
Zaitsau D. |
|
dc.contributor.author |
Paulechka E. |
|
dc.contributor.author |
Firaha D. |
|
dc.contributor.author |
Blokhin A. |
|
dc.contributor.author |
Kabo G. |
|
dc.contributor.author |
Bazyleva A. |
|
dc.contributor.author |
Kabo A. |
|
dc.contributor.author |
Varfolomeev M. |
|
dc.contributor.author |
Sevruk V. |
|
dc.date.accessioned |
2018-09-18T20:04:58Z |
|
dc.date.available |
2018-09-18T20:04:58Z |
|
dc.date.issued |
2015 |
|
dc.identifier.issn |
0021-9614 |
|
dc.identifier.uri |
https://dspace.kpfu.ru/xmlui/handle/net/136332 |
|
dc.description.abstract |
© 2015 Elsevier Ltd. All rights reserved. The heat capacity of 2-methyl-3-buten-2-ol over the interval T = (5 to 370) K was measured in an adiabatic calorimeter. The standard entropy and heat capacity of the liquid phase at a reference temperature 298.15 K were found to be S<sup>o</sup><inf>m</inf> = (232.6 ± 1.0) J·K<sup>-1</sup>·mol<sup>-1</sup> and C<inf>s</inf><inf>,m</inf> = (237.4 ± 0.9) J·K<sup>-1</sup>·mol<sup>-1</sup>. The triple-point temperature T<inf>fus</inf> = (245.03 ± 0.03) K and the corresponding enthalpy of fusion Δ<inf>cr</inf><sup>l</sup>H<sup>o</sup><inf>m</inf> = (5.199 ± 0.012) kJ·mol<sup>-1</sup> were also determined. The enthalpy of vaporisation was determined with a Calvet-type calorimeter to be ΔlgHmo(305.1K) = (46.9 ± 1.6) kJ·mol<sup>-1</sup>. The vapour pressure over the temperature interval (280 to 328) K was measured with a static technique. The standard entropy of vaporisation at T = 298.15 K was found to be Δ<inf>l</inf><sup>g</sup>S<sup>o</sup><inf>m</inf> = (132.7 ± 0.2) J·K<sup>-1</sup>·mol<sup>-1</sup>. The standard enthalpy of combustion for liquid 2-methyl-3-buten-2-ol <sup>Δc</sup>Hmo(l, 298.15 K) = -(3145.1 ± 2.7) kJ·mol<sup>-1</sup> was measured with two static-bomb isoperibol combustion calorimeters. From the experimental data, the standard enthalpies of formation for liquid and gaseous 2-methyl-3-buten-2-ol were found to be Δ<inf>f</inf>H<sup>o</sup><inf>m</inf>(l, 298.15 K) = -(251.6 ± 2.8) kJ·mol<sup>-1</sup> and Δ<inf>f</inf>H<sup>o</sup><inf>m</inf> (g, 298.15 K) = -(203.3 ± 2.8) kJ·mol<sup>-1</sup>, respectively. The latter value was confirmed by high-level quantum chemical calculations. Molecular association in the gas phase and its effect on thermodynamic properties of the compound were discussed. |
|
dc.relation.ispartofseries |
Journal of Chemical Thermodynamics |
|
dc.subject |
Gas phase cluster formation |
|
dc.subject |
Heat capacity |
|
dc.subject |
Hydrogen bond |
|
dc.subject |
Phase transition enthalpy |
|
dc.subject |
Standard enthalpy of formation |
|
dc.subject |
Vapour pressure |
|
dc.title |
Comprehensive study of the thermodynamic properties for 2-methyl-3-buten-2-ol |
|
dc.type |
Article |
|
dc.relation.ispartofseries-volume |
91 |
|
dc.collection |
Публикации сотрудников КФУ |
|
dc.relation.startpage |
459 |
|
dc.source.id |
SCOPUS00219614-2015-91-SID84941570310 |
|