Evidence map›Paper›PMID 32214090›Full record

ArticleNature communications2020

δ and φ back-donation in An

Morgan P Kelley, Ivan A Popov, Julie Jung, Enrique R Batista, Ping Yang

Abstract read
In one paragraph

Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing 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

21 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Aromaticity in Ancient Zeise's Salt.Inorganic chemistry · 2025
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Proton-Coupled Electron Transfer at the PuJournal of the American Chemical Society · 2024
    Article
  10. Alkyl Coordination inOrganometallics · 2024
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. An Allyl Uranium(IV) Sandwich Complex: Are ϕ Bonding Interactions Possible?Chemistry (Weinheim an der Bergstrasse, Germany) · 2022
    Article
  16. Uranium: The Nuclear Fuel Cycle and Beyond.International journal of molecular sciences · 2022
    Review
  17. Article
  18. Uranium versus Thorium: Synthesis and Reactivity of [ηChemistry (Weinheim an der Bergstrasse, Germany) · 2021
    Article
  19. Article
  20. 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.

Morgan P Kelley *Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.ORCID http://orcid.org/0000-0001-5196-9821
Ivan A Popov *Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.
Julie JungTheoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.ORCID http://orcid.org/0000-0002-6788-7019
Enrique R BatistaTheoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA. erb@lanl.gov.ORCID http://orcid.org/0000-0002-3074-4022
Ping YangTheoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA. pyang@lanl.gov.ORCID http://orcid.org/0000-0003-4726-2860

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In all known examples of metal-ligand (M-L) δ and φ bonds, the metal orbitals are aligned to the ligand orbitals in a "head-to-head" or "side-to-head" fashion. Here, we report two fundamentally new types of M-L δ and φ interactions; "head-to-side" δ and "side-to-side" φ back-bonding, found in complexes of metallacyclopropenes and metallacyclocumulenes of actinides (Pa-Pu) that makes them distinct from their corresponding Group 4 analogues. In addition to the known Th and U complexes, our calculations include complexes of Pa, Np, and Pu. In contrast with conventional An-C bond decreasing, due to the actinide contraction, the An-C distance increases from Pa to Pu. We demonstrate that the direct L-An σ and π donations combined with the An-L δ or φ back-donations are crucial in explaining this non-classical trend of the An-L bond lengths in both series, underscoring the significance of these δ/φ back-donation interactions, and their importance for complexes of Pa and U in particular.

Identifiers

PMID32214090
PMCPMC7096508

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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.