Characterisation of temperature-dependent phase transitions in 2,2-trimethylenedioxy-4,4,6,6-tetrachlorocyclotriphosphazene, N3P3Cl4[O(CH2)3O]
2007

Phase Transitions in a Chemical Compound

Sample size: 2 publication Evidence: moderate

Author Information

Author(s): Simon J Coles, David B Davies, Michael B Hursthouse, Susanne L Huth, Adem Kılıç, Mark E Light, Marianne Odlyha, John S Rutherford, Robert A Shaw, Aylin Uslu

Primary Institution: University of Southampton

Hypothesis

What are the temperature-dependent phase transitions in 2,2-trimethylenedioxy-4,4,6,6-tetrachlorocyclotriphosphazene?

Conclusion

The phase transition occurs in two stages and is associated with a soft lattice mode at room temperature.

Supporting Evidence

  • The crystal structure was determined at three different temperatures.
  • Phase transitions were observed using X-ray diffraction and DSC.
  • The study identified a two-stage phase transition process.

Takeaway

The study looks at how a chemical compound changes when it gets warmer or cooler, showing that it goes through two steps during this change.

Methodology

X-ray diffraction and Differential Scanning Calorimetry (DSC) were used to study the phase transitions.

Limitations

The study may not account for all possible variations in crystal behavior at different temperatures.

Digital Object Identifier (DOI)

10.1186/1752-153X-1-20

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