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Title: “Interpenetration Isomerism” of Triptycene-Based Hydrogen-Bonded Organic Frameworks

Abstract

In this work, we describe an example of “interpenetration isomerism” in three-dimensional (3D) hydrogen-bonded organic frameworks (HOFs). By exploiting the crystallization conditions for a peripherally extended triptycene H6PET, we can modulate the interpenetration of the assembled frameworks, yielding a two-fold interpenetrated structure PETHOF-1 (acs-2c topology) and a five-fold interpenetrated structure PETHOF-2 (acs-5c topology) as “interpenetration isomers”. In PETHOF-1, two individual nets are related by inversion symmetry and form an interwoven topology with a strikingly large guest-accessible volume of about 80%. In PETHOF-2, five individual nets are related by translational symmetry and are stacked in an alternating fashion. Additionally, the activated materials show permanent porosity with high Brunauer–Emmett–Teller (BET) areas exceeding 1100 m2•g-1. Finally, we believe that synthetic control over the framework interpenetration can serve as a new design strategy to construct diverse and complex supramolecular architectures from simple organic building blocks.

Authors:
 [1];  [1];  [2];  [3];  [1];  [1];  [4]
  1. Northwestern Univ., Evanston, IL (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Westlake University, Hangzhou (China)
  4. Northwestern Univ., Evanston, IL (United States); Tianjin University (China); University of New South Wales, Sydney (Australia)
Publication Date:
Research Org.:
Univ. of Notre Dame, IN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division
OSTI Identifier:
1488530
Alternate Identifier(s):
OSTI ID: 1492749; OSTI ID: 1513397
Grant/Contract Number:  
NA0003763; AC02-05CH11231; AC05-00OR22725
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Volume: 58; Journal Issue: 6; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; hydrogen-bonded organic frameworks; porous molecular solids; Crystal engineering; interpenetration isomerism; supramolecular chemistry

Citation Formats

Li, Penghao, Li, Peng, Ryder, Matthew R., Liu, Zhichang, Stern, Charlotte L., Farha, Omar K., and Stoddart, Fraser. “Interpenetration Isomerism” of Triptycene-Based Hydrogen-Bonded Organic Frameworks. United States: N. p., 2018. Web. doi:10.1002/anie.201811263.
Li, Penghao, Li, Peng, Ryder, Matthew R., Liu, Zhichang, Stern, Charlotte L., Farha, Omar K., & Stoddart, Fraser. “Interpenetration Isomerism” of Triptycene-Based Hydrogen-Bonded Organic Frameworks. United States. doi:10.1002/anie.201811263.
Li, Penghao, Li, Peng, Ryder, Matthew R., Liu, Zhichang, Stern, Charlotte L., Farha, Omar K., and Stoddart, Fraser. Tue . "“Interpenetration Isomerism” of Triptycene-Based Hydrogen-Bonded Organic Frameworks". United States. doi:10.1002/anie.201811263.
@article{osti_1488530,
title = {“Interpenetration Isomerism” of Triptycene-Based Hydrogen-Bonded Organic Frameworks},
author = {Li, Penghao and Li, Peng and Ryder, Matthew R. and Liu, Zhichang and Stern, Charlotte L. and Farha, Omar K. and Stoddart, Fraser},
abstractNote = {In this work, we describe an example of “interpenetration isomerism” in three-dimensional (3D) hydrogen-bonded organic frameworks (HOFs). By exploiting the crystallization conditions for a peripherally extended triptycene H6PET, we can modulate the interpenetration of the assembled frameworks, yielding a two-fold interpenetrated structure PETHOF-1 (acs-2c topology) and a five-fold interpenetrated structure PETHOF-2 (acs-5c topology) as “interpenetration isomers”. In PETHOF-1, two individual nets are related by inversion symmetry and form an interwoven topology with a strikingly large guest-accessible volume of about 80%. In PETHOF-2, five individual nets are related by translational symmetry and are stacked in an alternating fashion. Additionally, the activated materials show permanent porosity with high Brunauer–Emmett–Teller (BET) areas exceeding 1100 m2•g-1. Finally, we believe that synthetic control over the framework interpenetration can serve as a new design strategy to construct diverse and complex supramolecular architectures from simple organic building blocks.},
doi = {10.1002/anie.201811263},
journal = {Angewandte Chemie (International Edition)},
issn = {1433-7851},
number = 6,
volume = 58,
place = {United States},
year = {2018},
month = {12}
}

Journal Article:
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