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Browsing by Subject "Fusion enthalpy"

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A new method for heat capacity determination in supercooled liquid state using fast scanning calorimetry: Thermochemical study of 9,9'-bifluorenyl

Bolmatenkov D.N.; Yagofarov M.I.; Mukhametzyanov T.A.; Ziganshin M.A.; Schick C.; Solomonov B.N. (2020)

© 2020 Elsevier B.V. Fast scanning calorimetry (FSC) enables to prevent the crystallization of many low-molecular-mass organic compounds. In spite of extremely high cooling rates accessible by fast scanning calorimetry, ...
Additive scheme for calculation of solvation enthalpies of heterocyclic aromatic compounds. Sublimation/vaporization enthalpy at 298.15 K

Solomonov B.; Nagrimanov R.; Mukhametzyanov T. (2016)

© 2016 Elsevier B.V. All rights reserved.Hereby we propose a method for determination of vaporization and sublimation enthalpies of heterocyclic and carbonyl-containing aromatic compounds at 298.15 K. According to this ...
Application of fast scanning calorimetry to the fusion thermochemistry of low-molecular-weight organic compounds: Fast-crystallizing m-terphenyl heat capacities in a deeply supercooled liquid state

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Schick C.; Solomonov B. (2018)

© 2018 Elsevier B.V. Fusion enthalpy temperature dependence is related to the difference in heat capacity of the liquid and solid. Below the melting temperature, it is hard to measure the liquid heat capacity using ...
Calculation of the fusion enthalpy temperature dependence of polyaromatic hydrocarbons from the molecular structure: Old and new approaches

Yagofarov M.I.; Solomonov B.N. (2021)

Experimental determination of the phase transition enthalpies temperature dependences requires measurement of the transition enthalpies or the heat capacities of the final and initial states in the temperature range of ...
Melting temperature and heat of fusion of cytosine revealed from fast scanning calorimetry

Abdelaziz A.; Zaitsau D.; Mukhametzyanov T.; Solomonov B.; Cebe P.; Verevkin S.; Schick C. (2017)

© 2017 Elsevier B.V. Thermophysical properties in the melting range of cytosine, one of the five nucleobases of DNA and RNA, are hard to determine because of the low thermal stability of the compound and the high vapor ...
New aspects in the thermochemistry of solid-liquid phase transitions of organic non-electrolytes

Unknown author (2018)

© 2018 Elsevier B.V. Thermochemistry of solid-liquid phase transitions plays an important role in solidification studies of polymers, metals, inorganic salts, and low-molecular organic compounds. Enthalpy of fusion is a ...
New aspects of relationship between the enthalpies of fusion of aromatic compounds at the melting temperature and the enthalpies of solution in benzene at 298.15 K. Part II

Unknown author (2018)

© 2018 Elsevier Ltd In the present work we demonstrate how the relationship between fusion enthalpies at the melting temperature of aromatic compounds and solution enthalpy values in benzene at 298.15 K values is affected ...
New aspects of relationship between the enthalpies of fusion of aromatic compounds at the melting temperatures and the enthalpies of solution in benzene at 298.15 K. Part I

Unknown author (2018)

© 2017 Elsevier Ltd In the present work the relationship between the enthalpies of fusion at the melting temperatures and the enthalpies of solution in benzene at 298.15 K of aromatic compounds is discussed in details. The ...
The fusion thermochemistry of rubrene and 9,10-diphenylanthracene between 298 and 650 K: Fast scanning and solution calorimetry

Bolmatenkov D.N.; Yagofarov M.I.; Mukhametzyanov T.A.; Ziganshin M.A.; Solomonov B.N. (2020)

© 2020 Elsevier B.V. The fusion enthalpies and the heat capacities of crystalline, molten, and supercooled liquid rubrene (Tm = 603 K) and 9,10-diphenylanthracene (Tm = 523 K) were measured using fast scanning calorimetry ...
The fusion thermochemistry of self-associated aromatic compounds at 298.15 K studied by solution calorimetry

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Valiakhmetov T.; Solomonov B. (2019)

© 2019 Elsevier Ltd The solution calorimetry approach for determination of the fusion enthalpy at 298.15 K of aromatic compounds not capable of self-association was extended to those forming intermolecular hydrogen bonds. ...
Thermochemical properties of 1,2,3,4-tetraphenylnaphthalene and 1,3,5-triphenylbenzene in crystalline and liquid states studied by solution and fast scanning calorimetry

Yagofarov M.; Lapuk S.; Mukhametzyanov T.; Ziganshin M.; Schick C.; Solomonov B. (2019)

© 2019 Elsevier B.V. Significant deviations were found between the solution enthalpy in benzene at 298.15 K and the fusion enthalpy at the melting temperature of 1,2,3,4-tetraphenylnaphthalene (3.9 ± 0.5 kJ mol −1 and ...

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Browsing by Subject "Fusion enthalpy"

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