Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane

Gheorghe, Daniela; Neacsu, Ana; Perisanu, Stefan

Daniela Gheorghe, Ana Neacsu, Stefan Perisanu

Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane

Abstract:

A new value of the enthalpy of formation of cyclooctane (-156.2±1.2 kJ mol-1) based on heat of combustion measurements is reported. Its solid - liquid phase change was investigated by differential scanning calorimetry in both directions revealing an overcooling effect of over 23 K. Our enthalpy of formation of cyclooctane was used together with literature values of heats of hydrogenation of 8 carbon atoms cycloolefins to calculate the enthalpies of formation of the later. The strain energies of the investigated molecules were calculated and discussed.

Keywords:
cyclooctane; enthalpy of formation; strain energies; differential scanning calorimetry (DSC); overcooling.

Issue: 2020, Volume 71, Issue 3

Pages: 507-515

Publication date: 2020/4/3

https://doi.org/10.37358/RC.20.3.8025

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This article is published under the Creative Commons Attribution 4.0 International License

Citation Styles

Cite this article as:
GHEORGHE, D., NEACSU, A., PERISANU, S., Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane, Rev. Chim., 71(3), 2020, 507-515.

Vancouver
Gheorghe D, Neacsu A, Perisanu S. Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane. Rev. Chim.[internet]. 2020 Mar;71(3):507-515. Available from: https://doi.org/10.37358/RC.20.3.8025

APA 6th edition
Gheorghe, D., Neacsu, A. & Perisanu, S. (2020). Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane. Revista de Chimie, 71(3), 507-515. https://doi.org/10.37358/RC.20.3.8025

Harvard
Gheorghe, D., Neacsu, A., Perisanu, S. (2020). 'Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane', Revista de Chimie, 71(3), pp. 507-515. https://doi.org/10.37358/RC.20.3.8025

IEEE
D. Gheorghe, A. Neacsu, S. Perisanu, "Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane". Revista de Chimie, vol. 71, no. 3, pp. 507-515, 2020. [online]. https://doi.org/10.37358/RC.20.3.8025

Text
Daniela Gheorghe, Ana Neacsu, Stefan Perisanu,
Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane,
Revista de Chimie,
Volume 71, Issue 3,
2020,
Pages 507-515,
ISSN 2668-8212,
https://doi.org/10.37358/RC.20.3.8025.
(https://revistadechimie.ro/Articles.asp?ID=8025)
Keywords: cyclooctane; enthalpy of formation; strain energies; differential scanning calorimetry (DSC); overcooling.

RIS
TY - JOUR
T1 - Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane
A1 - Gheorghe, Daniela
A2 - Neacsu, Ana
A3 - Perisanu, Stefan
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2020
VL - 71
IS - 3
SP - 507
EP - 515
UR - https://doi.org/10.37358/RC.20.3.8025
KW - cyclooctane; enthalpy of formation; strain energies; differential scanning calorimetry (DSC); overcooling.
ER -

BibTex
@article{RevCh2020P507,
author = {Gheorghe Daniela and Neacsu Ana and Perisanu Stefan},
title = {Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane},
journal = {Revista de Chimie},
volume = {71},
number = {3},
pages = {507-515},
year = {2020},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.20.3.8025},
url = {https://revistadechimie.ro/Articles.asp?ID=8025}
}

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