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. 2014 Apr 30;136(17):6207-10.
doi: 10.1021/ja501810r. Epub 2014 Apr 15.

A porous metal-organic framework with dynamic pyrimidine groups exhibiting record high methane storage working capacity

Bin Li  1 , Hui-Min Wen, Hailong Wang, Hui Wu, Madhusudan Tyagi, Taner Yildirim, Wei Zhou, Banglin Chen
Affiliations

A porous metal-organic framework with dynamic pyrimidine groups exhibiting record high methane storage working capacity

Bin Li et al. J Am Chem Soc. .

Abstract

We have realized a new porous metal-organic framework UTSA-76a with pyrimidine groups on the linker, exhibiting high volumetric methane uptake of ~260 cm(3) (STP) cm(-3) at 298 K and 65 bar, and record high working capacity of ~200 cm(3) (STP) cm(-3) (between 5 and 65 bar). Such exceptionally high working capacity is attributed to the central "dynamic" pyrimidine groups within UTSA-76a, which are capable of adjusting their orientations to optimize the methane packing at high pressure, as revealed by computational studies and neutron scattering experiments.

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