Evidence map›Paper›PMID 40042491›Full record

ArticleACS nano2025

Bond Dissociation Dynamics of Single Molecules on a Metal Surface.

Donato Civita, Matthew Timm, Jutta Schwarz, Stefan Hecht, Leonhard Grill

Abstract read
In one paragraph

Article in ACS nano, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Donato CivitaDepartment of Physical Chemistry, University of Graz, Heinrichstraße 28, Graz 8010, Austria.ORCID 0000-0002-1598-743X
Matthew TimmDepartment of Physical Chemistry, University of Graz, Heinrichstraße 28, Graz 8010, Austria.
Jutta SchwarzDepartment of Chemistry & Center for the Science of Materials Berlin, Humboldt University Berlin, Brook-Taylor-Str. 2, Berlin 12489, Germany.
Stefan HechtDepartment of Chemistry & Center for the Science of Materials Berlin, Humboldt University Berlin, Brook-Taylor-Str. 2, Berlin 12489, Germany.ORCID 0000-0002-6124-0222
Leonhard GrillDepartment of Physical Chemistry, University of Graz, Heinrichstraße 28, Graz 8010, Austria.ORCID 0000-0002-9247-6502

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The breaking of an interatomic bond is at the heart of chemistry yet remains a challenge to be investigated. Molecules on metal surfaces exhibit defined positions and orientations and can be characterized by scanning tunneling microscopy that moreover is able to trigger bond breaking. Until now, the bond dissociation dynamics has been studied in small molecules but not in large ones with various degrees of freedom. Here, we dissociate bromine atoms from single dibromo-terfluorene molecules on Ag(111), identifying not only the displacement but also the rotation of each fragment. It turns out that the molecular excitation that causes dissociation is not locally confined. Instead, it can propagate through the molecule, and the dynamics of the resulting fragments is uncorrelated. The fragment binds to the nearest silver atom after dissociation and dissipates its energy in rotational motion. Our findings could be useful for the precise engineering of chemical reactions with prearranged precursor molecules.

Indexed as

bond dissociationcarbon−halogen bondmolecular dynamicsorganic moleculesscanning tunneling microscopysilver surfacessingle-molecule chemistry

Identifiers

PMID40042491
PMCPMC11924323

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.