What does this research mean for the field?

Combined computational strategies utilizing DFT, molecular dynamics, and topological analyses can quantitatively reproduce and rationalize the conformational behavior and spectroscopic observables of rotaxane-based molecular machines in solution. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To provide a first-principles theoretical framework characterizing the noncovalent and covalent interaction networks that govern macrocycle motion and stimuli-responsive switching in rotaxane-based molecular machines.

August 28, 2026ChemistryOpenOpen Access

Mechanically Interlocked Molecules: A Supramolecular Computational Picture of Rotaxane‐Based Switches, Shuttles, and Tristable Devices in Solution

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Authors

CZCostantino ZazzaUniversità degli Studi della Tuscia

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Implication

Computational analysis reveals noncovalent dynamics governing rotaxane switching in organic solutions, highlighting a predictive framework for designing complex molecular machines.

Key Points

To provide a first-principles theoretical framework characterizing the noncovalent and covalent interaction networks that govern macrocycle motion and stimuli-responsive switching in rotaxane-based molecular machines.
Integrated density functional theory (DFT) and all-atom molecular dynamics (MD) simulations to evaluate [2]rotaxane switches in organic solvents.
Applied quantum theory of atoms in molecules (QTAIM), the independent gradient model based on Hirshfeld partition (IGMH), interaction region indicators, and local electron energy density descriptors to supramolecular assemblies of hundreds of atoms.
Quantitatively rationalized conformational reorganization and spectroscopic observables across varied rotaxane platforms and operating conditions.
Mapped the noncovalent and covalent interaction repertoire driving macrocycle translocation, metal-induced locking, and multistate switching.
Demonstrated self-consistent graphical visualization of noncovalent interaction domains in large supramolecular systems within standard DFT computational costs.

Cite This Study

Costantino Zazza (2026) studied this question.

synapsesocial.com/papers/6a916ea0d15324a1df3aa7a4 https://doi.org/10.1002/open.70291

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Implication

Computational analysis reveals noncovalent dynamics governing rotaxane switching in organic solutions, highlighting a predictive framework for designing complex molecular machines.

Mechanically Interlocked Molecules: A Supramolecular Computational Picture of Rotaxane‐Based Switches, Shuttles, and Tristable Devices in Solution

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Implication

Key Points

Cite This Study

Mechanically Interlocked Molecules: A Supramolecular Computational Picture of Rotaxane‐Based Switches, Shuttles, and Tristable Devices in Solution

Discussion

Member takes

Implication

Key Points

Cite This Study

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