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Related Concept Videos

Entropy and Solvation02:05

Entropy and Solvation

The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ ≥ 15); an...
Conformations of Ethane and Propane02:18

Conformations of Ethane and Propane

In an organic molecule, free rotation about the carbon-carbon single bond results in energetically different conformers of the molecule. Due to this rotation, called the internal rotation, ethane has two major conformations — staggered and eclipsed.
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Phase Diagrams of Ternary Systems

Consider a ternary system, which is composed of three components: water (W), ethanoic acid (E), and trichloromethane (T). Here, Ethanoic acid (E) is fully miscible with both water (W) and trichloromethane (T), meaning it can mix entirely with either of them. However, water and trichloromethane have partial miscibility, meaning they can only mix to a certain extent, beyond which two separate phases will form.The phase diagram of a ternary system is represented as an equilateral triangle, where...
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The rate of acid-catalyzed hydration of alkenes depends on the alkene's structure, as the presence of alkyl substituents at the double bond can significantly influence the rate.

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A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments
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A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments

Published on: October 2, 2012

A Transformer-Based Approach To Discover Water-Stable MOFs for Ethane/Ethylene Separation.

Yizhen Situ1, Jia Wang1, Lingchuan Li1

  • 1State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China.

ACS Applied Materials & Interfaces
|June 2, 2026
PubMed
Summary
This summary is machine-generated.

We developed a language model to predict the water stability of metal-organic frameworks (MOFs). This AI approach accelerates the discovery of stable, high-performance MOFs for industrial applications like gas separation.

Keywords:
adsorptionethane/ethylene separationmetal−organic frameworkstransformerwater stability

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Area of Science:

  • Materials Science
  • Computational Chemistry
  • Chemical Engineering

Background:

  • Industrial application of metal-organic frameworks (MOFs) is hindered by their structural instability in humid environments.
  • The vast chemical space of MOFs makes experimental screening for water stability and performance challenging.

Purpose of the Study:

  • To develop a predictive model for assessing the water stability of MOFs.
  • To identify novel MOFs with both high ethane/ethylene separation performance and water stability for industrial use.

Main Methods:

  • A transformer-based language model was trained to predict MOF water stability.
  • The model was validated against over 600 experimentally reported MOFs.
  • Integration with performance and physical-property prediction models facilitated screening of a large hypothetical MOF database.

Main Results:

  • The predictive model demonstrated good accuracy in assessing MOF water stability.
  • One MOF exhibiting excellent ethane/ethylene separation and potential water stability was identified from over 2 million hypothetical structures.
  • Multiscale calculations revealed that the MOF's unique pore architecture (dumbbell-shaped channels, layered-pillar structure) drives its separation performance.

Conclusions:

  • The developed AI strategy offers an efficient method for discovering industrially viable MOFs.
  • The study provides rational design guidelines for creating high-performance adsorbent materials.
  • Predictive modeling is crucial for overcoming challenges in MOF development and accelerating their industrial implementation.