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. 2018 Nov 28;9:5042. doi: 10.1038/s41467-018-07532-z

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Liquid and glass formation of ZIF-76. a The structure of ZIF-76, as determined by single-crystal X-ray diffraction²⁰. Zn light blue, Cl green, C grey, N dark blue, H omitted for clarity. b The isobaric heat capacity (C_p) and mass change (%) of ZIF-76 measured during a DSC-TGA upscan at 10 °C min^–1, highlighting the stable liquid domain between T_m and T_d. Inset shows glass transitions for a_gZIF-76 (blue) and a_gZIF-76-mbIm (green). c Temperature resolved WAXS profile of ZIF-76 upon heating from 25 °C to 600 °C. Colour shading is included as a guide to the eye. d Temperature resolved volume fraction distributions of the different particle sizes of ZIF-76, indicating coalescence into particles of up to 30 nm