1,3-Propanediamine

• Formula: C₃H₁₀N₂
• Molecular weight: 74.1249
• IUPAC Standard InChI: InChI=1S/C3H10N2/c4-2-1-3-5/h1-5H2 Copy

  
• IUPAC Standard InChIKey: XFNJVJPLKCPIBV-UHFFFAOYSA-N Copy
• CAS Registry Number: 109-76-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Other names: Propane-1,3-diamine; Trimethylenediamine; 1,3-Diaminopropane; 1,3-Propylenediamine; H2N(CH2)3NH2
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Gas phase ion energetics data

Go To: Top, Ion clustering data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)

Proton affinity at 298K

Ion clustering data

Go To: Top, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

(C₃H₁₁N₂⁺ • 2) +  = (C₃H₁₁N₂⁺ • 3)

By formula: (C₃H₁₁N₂⁺ • 2C₃H₁₀N₂) + C₃H₁₀N₂ = (C₃H₁₁N₂⁺ • 3C₃H₁₀N₂)

References

Go To: Top, Gas phase ion energetics data, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Hahn and Wesdemiotis, 2003
Hahn, I.S.; Wesdemiotis, C., Protonation Thermochemistry of beta-Alanine. An Evaluation of Proton Affinities and Entropies Determined by the Extended Kinetic Method, Int. J. Mass Spectrometry, 2003, 222, 465. [all data]

Wang, Chu, et al., 1999
Wang, Z.; Chu, I.K.; Rodriquez, C.F.; Hopkinson, A.C.; Siu, K.W.M., α,ω-Diaminoalkanes as models for bases that dicoordinate the proton: An evaluation of the kinetic method for estimating their proton affinities, J. Phys. Chem. A., 1999, 103, 8700. [all data]

Wincel and Herman, 1973
Wincel, H.; Herman, J.A., Photoionization Study of Clustering Reactions in Diamines: Ethane-1,2-diamine, Propane-1,2-diamine and Propane-1,3-diamine, J. Chem. Soc. Faraday Trans., 1973, 69, 1797, https://doi.org/10.1039/f19736901797 . [all data]

Notes

Go To: Top, Gas phase ion energetics data, Ion clustering data, References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.