Evidence map›Paper›PMID 37639703›Full record

ArticleJournal of the American Chemical Society2023

Identification of Unknown Inverted Singlet-Triplet Cores by High-Throughput Virtual Screening.

Ömer H Omar, Xiaoyu Xie, Alessandro Troisi, Daniele Padula

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing 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

15 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Donor-Acceptor-Substituted 5-Azaazulenes.The Journal of organic chemistry · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Singlet-Triplet Inversions in Through-Bond Charge-Transfer States.The journal of physical chemistry letters · 2024
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. 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

4 authors.

Ömer H OmarDepartment of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.ORCID 0000-0002-5073-4999
Xiaoyu XieDepartment of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.ORCID 0000-0002-0644-5460
Alessandro TroisiDepartment of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.ORCID 0000-0002-5447-5648
Daniele PadulaDipartimento di Biotecnologie, Chimica e Farmacia, Università di Siena, Via A. Moro 2, Siena 53100, Italy.ORCID 0000-0002-7171-7928

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Molecules where the energy of the lowest excited singlet state is found below the energy of the lowest triplet state (inverted singlet-triplet molecules) are extremely rare. It is particularly challenging to discover new ones through virtual screening because the required wavefunction-based methods are expensive and unsuitable for high-throughput calculations. Here, we devised a virtual screening approach where the molecules to be considered with advanced methods are pre-selected with increasingly more sophisticated filters that include the evaluation of the HOMO-LUMO exchange integral and approximate CASSCF calculations. A final set of 7 candidates (0.05% of the initial 15 000) were verified to possess inversion between singlet and triplet states with state-of-the-art multireference methods (MS-CASPT2). One of them is deemed of particular interest because it is unrelated to other proposals made in the literature.

Identifiers

PMID37639703
PMCPMC10510316

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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.