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Title: Experimental evidence of negative linear compressibility in the MIL-53 metal–organic framework family

Here we report a series of powder X-ray diffraction experiments performed on the soft porous crystals MIL-53(Al) and NH2-MIL-53(Al) in a diamond anvil cell under different pressurization media. Systematic refinements of the obtained powder patterns demonstrate that these materials expand along a specific direction while undergoing total volume reduction under an increasing hydrostatic pressure. The results confirm for the first time the negative linear compressibility behaviour of this family of materials, recently predicted from quantum chemical calculations.
Authors:
 [1] ;  [1] ;  [2] ;  [1] ;  [1] ;  [3] ;  [1]
  1. Delft Univ. of Technology (Netherlands)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source
  3. Centre National de la Recherche Scientifique (CNRS), Paris (France). Inst. de Recherche de Chimie
Publication Date:
OSTI Identifier:
1174107
Report Number(s):
BNL--107485-2015-JA
Journal ID: ISSN 1466-8033; CRECF4; R&D Project: LS001
Grant/Contract Number:
SC00112704; AC02-98CH10886
Type:
Accepted Manuscript
Journal Name:
CrystEngComm
Additional Journal Information:
Journal Volume: 17; Journal Issue: 2; Journal ID: ISSN 1466-8033
Publisher:
Royal Society of Chemistry
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE