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Enthalpies of formation of piperazinium dinitrate, C4H12N2(NO3)2, dichloride, C4H12N2Cl2, and dichloride monohydrate, C4H12N2Cl2·H2O.

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Title: Enthalpies of formation of piperazinium dinitrate, C4H12N2(NO3)2, dichloride, C4H12N2Cl2, and dichloride monohydrate, C4H12N2Cl2·H2O.
Authors: Tsvetkov, Dmitry S.1,2 (AUTHOR) Dmitry.Tsvetkov@urfu.ru, Mazurin, Maxim O.2 (AUTHOR), Malyshkin, Dmitry A.1,2 (AUTHOR), Sereda, Vladimir V.1,2 (AUTHOR), Ivanov, Ivan L.1,2 (AUTHOR), Zuev, Andrey Yu.2 (AUTHOR)
Source: Journal of Chemical Thermodynamics. Nov2022, Vol. 174, pN.PAG-N.PAG. 1p.
Subjects: Thermochemistry, Piperazine, Calorimetry, Combustion, Hydration, Ions
Abstract: • Standard formation enthalpies of piperazine salts: C 4 H 12 N 2 (NO 3) 2 , C 4 H 12 N 2 Cl 2 and C 4 H 12 N 2 Cl 2 ·H 2 O at 298.15 K were determined. • Hydration enthalpies of piperazinium dichloride by gaseous and liquid water were calculated. • Δ f H° 298 of aqueous C 4 H 12 N 2 2+ ion was estimated. Standard formation enthalpies of some solid piperazine salts: C 4 H 12 N 2 (NO 3) 2 , C 4 H 12 N 2 Cl 2 and C 4 H 12 N 2 Cl 2 ·H 2 O at 298.15 K were measured using combustion and solution calorimetry. The following values were obtained: Δ f H 298 ° (C 4 H 12 N 2 (NO 3) 2) = (-594.4 ± 2.7) kJ·mol−1, Δ f H 298 ° (C 4 H 12 N 2 Cl 2) = (-475.6 ± 2.9) kJ·mol−1, Δ f H 298 ° (C 4 H 12 N 2 Cl 2 ·H 2 O) = (-772.3 ± 2.9) kJ·mol−1 (expanded uncertainties, 95% confidence level). The hydration enthalpies of piperazinium dichloride by gaseous and liquid water were found to be equal to (-54.82 ± 0.09) kJ·mol−1(H 2 O) and (-10.83 ± 0.09) kJ·mol−1(H 2 O), respectively (expanded uncertainties, 95% confidence level). The results obtained allowed estimating Δ f H 298 ° of aqueous C 4 H 12 N 2 2+ ions as (-128.5 ± 2.9) kJ·mol−1 (expanded uncertainty, 95% confidence level), which is in good agreement with the value of (-129.0 ± 3.3) kJ·mol−1 (expanded uncertainty, 95% confidence level) that was calculated using the literature data. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Enthalpies of formation of piperazinium dinitrate, C4H12N2(NO3)2, dichloride, C4H12N2Cl2, and dichloride monohydrate, C4H12N2Cl2·H2O.
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  Data: <searchLink fieldCode="AR" term="%22Tsvetkov%2C+Dmitry+S%2E%22">Tsvetkov, Dmitry S.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> Dmitry.Tsvetkov@urfu.ru</i><br /><searchLink fieldCode="AR" term="%22Mazurin%2C+Maxim+O%2E%22">Mazurin, Maxim O.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Malyshkin%2C+Dmitry+A%2E%22">Malyshkin, Dmitry A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sereda%2C+Vladimir+V%2E%22">Sereda, Vladimir V.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ivanov%2C+Ivan+L%2E%22">Ivanov, Ivan L.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zuev%2C+Andrey+Yu%2E%22">Zuev, Andrey Yu.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Chemical+Thermodynamics%22">Journal of Chemical Thermodynamics</searchLink>. Nov2022, Vol. 174, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Thermochemistry%22">Thermochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Piperazine%22">Piperazine</searchLink><br /><searchLink fieldCode="DE" term="%22Calorimetry%22">Calorimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Hydration%22">Hydration</searchLink><br /><searchLink fieldCode="DE" term="%22Ions%22">Ions</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Standard formation enthalpies of piperazine salts: C 4 H 12 N 2 (NO 3) 2 , C 4 H 12 N 2 Cl 2 and C 4 H 12 N 2 Cl 2 ·H 2 O at 298.15 K were determined. • Hydration enthalpies of piperazinium dichloride by gaseous and liquid water were calculated. • Δ f H° 298 of aqueous C 4 H 12 N 2 2+ ion was estimated. Standard formation enthalpies of some solid piperazine salts: C 4 H 12 N 2 (NO 3) 2 , C 4 H 12 N 2 Cl 2 and C 4 H 12 N 2 Cl 2 ·H 2 O at 298.15 K were measured using combustion and solution calorimetry. The following values were obtained: Δ f H 298 ° (C 4 H 12 N 2 (NO 3) 2) = (-594.4 ± 2.7) kJ·mol−1, Δ f H 298 ° (C 4 H 12 N 2 Cl 2) = (-475.6 ± 2.9) kJ·mol−1, Δ f H 298 ° (C 4 H 12 N 2 Cl 2 ·H 2 O) = (-772.3 ± 2.9) kJ·mol−1 (expanded uncertainties, 95% confidence level). The hydration enthalpies of piperazinium dichloride by gaseous and liquid water were found to be equal to (-54.82 ± 0.09) kJ·mol−1(H 2 O) and (-10.83 ± 0.09) kJ·mol−1(H 2 O), respectively (expanded uncertainties, 95% confidence level). The results obtained allowed estimating Δ f H 298 ° of aqueous C 4 H 12 N 2 2+ ions as (-128.5 ± 2.9) kJ·mol−1 (expanded uncertainty, 95% confidence level), which is in good agreement with the value of (-129.0 ± 3.3) kJ·mol−1 (expanded uncertainty, 95% confidence level) that was calculated using the literature data. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.jct.2022.106857
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Thermochemistry
        Type: general
      – SubjectFull: Piperazine
        Type: general
      – SubjectFull: Calorimetry
        Type: general
      – SubjectFull: Combustion
        Type: general
      – SubjectFull: Hydration
        Type: general
      – SubjectFull: Ions
        Type: general
    Titles:
      – TitleFull: Enthalpies of formation of piperazinium dinitrate, C4H12N2(NO3)2, dichloride, C4H12N2Cl2, and dichloride monohydrate, C4H12N2Cl2·H2O.
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            NameFull: Tsvetkov, Dmitry S.
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            NameFull: Mazurin, Maxim O.
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            NameFull: Sereda, Vladimir V.
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            NameFull: Ivanov, Ivan L.
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            NameFull: Zuev, Andrey Yu.
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            – D: 01
              M: 11
              Text: Nov2022
              Type: published
              Y: 2022
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              Value: 174
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