NDLI: Ultrafast Water H-Bond Rearrangement in a Metal-Organic Framework Probed by Femtosecond Time-Resolved Infrared Spectroscopy.

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Ultrafast Water H-Bond Rearrangement in a Metal-Organic Framework Probed by Femtosecond Time-Resolved Infrared Spectroscopy.

Content Provider	Europe PMC
Author	Valentine, MasonL. Yin, Guoxin Oppenheim, Julius J. Dincǎ, Mircea Xiong, Wei
Copyright Year	2023
Abstract	We investigated thewater H-bond network and its dynamics in Ni2Cl2BTDD, a prototypical MOF for atmospheric waterharvesting, using linear and ultrafast IR spectroscopy. Utilizingisotopic labeling and infrared spectroscopy, we found that water formsan extensive H-bonding network in Ni2Cl2BTDD.Further investigation with ultrafast spectroscopy revealed that watercan reorient in a confined cone up to ∼50° within 1.3ps. This large angle reorientation indicates H-bond rearrangement,similar to bulk water. Thus, although the water H-bond network isconfined in Ni2Cl2BTDD, different from otherconfined systems, H-bond rearrangement is not hindered. The picosecondH-bond rearrangement in Ni2Cl2BTDD corroboratesits reversibility with minimal hysteresis in water sorption.
ISSN	00027863
Volume Number	145
PubMed Central reference number	PMC10236489
Issue Number	21
PubMed reference number	37201196
Journal	Journal of the American Chemical Society [J. Am. Chem. Soc]
e-ISSN	15205126
DOI	10.1021/jacs.3c01728
Language	English
Publisher	American Chemical Society
Publisher Date	2023-05-18
Access Restriction	Open
Rights License	Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). © 2023 The Authors. Published by American Chemical Society
Content Type	Text
Resource Type	Article
Subject	Chemistry Colloid and Surface Chemistry Biochemistry Catalysis

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