Carbon‐Carbon Bond Formation “Catalyzed” by Ion‐Pair Constituents
Bibliographic record
Abstract
Abstract Reported here is an ab initio modelling of C−C bonding in halocarbon molecules, with alkali‐metal atoms attached. The studied systems feature metal‐halide counterion pairs appearing along the way. Their electric field leads to a mutual attraction, as well as influences the process directly. Such a combination favours bonding of reactants over significantly reduced potential energy barriers. The process involves uncommon species including a counterintuitive isomer of a metal‐halocarbon system bound via “collective” ionic bonds, an intermediate charge‐transfer complex exhibiting an unusual hyper‐coordinated carbon, and possible another (also uncommon) intermediate insertion complex with a molecule trapped between counterions. The overall reaction involves an “umbrella”‐type inversion of bonds and recombination of framing metal‐halide ion‐pair around insert. The process could be tracked via IR spectra at all stages, from reactants through intermediates to products. This could enable experimental detection of relevant species formation, their differentiation, and monitoring overall system evolution.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".