Contribution à l'étude vibrationnelle du biphényle
Bibliographic record
Abstract
L'interprétation du spectre de vibration du diphényle est reprise dans le but d'assurer la symétrie de la molécule en solution et d'étudier les couplages entre les deux noyaux aromatiques. Les attributions des spectres infrarouges et Raman de l'état solide et de la solution, entre 90 et 1650, 3 000 et 3 100 cm–1, sont appuyées par l'examen du spectre infrarouge du composé à l'état gazeux. La symétrie D2 est confirmée pour la molécule en solution. Un couplage entre les deux noyaux de la molécule se manifeste par l'éclatement en fréquences des deux vibrations de la molécule de biphényle issues d'un même type benzénique; presque toujours observé pour les vibrations de squelette, il l'est également pour des vibrations γCH et δCH.N.-B. — Dans l'article, les termes de mode (de symétrie) et type (de vibration) sont empruntés à une notation française; selon la notation internationale récente (Internatinal Union of pure and applied chemistry, physical chemistry division, commission on molecular structure and spectroscopy, N.R.C. Canada; Ottawa 1966) ils seraient respectivement remplacés par type de symétrie et mode normal ou vibration normale.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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".