The dynamics of the CO–N2 interaction: Strong Coriolis coupling in CO-paraN2
Bibliographic record
Abstract
Rotational and ro-vibrational spectra of the paraN2 species of the CO–N2 complex were measured with a pulsed molecular beam Fourier transform microwave spectrometer in the frequency region from 4 to 26 GHz. a-type rotational transitions within the relatively unperturbed upper K=1 levels of CO-paraN2, previously studied in the infrared region by Xu and McKellar [J. Chem. Phys. 104, 2488 (1996)], were observed and analyzed. Two new states, namely the K=0 levels of the first excited van der Waals vibrational N2 bending state and the lower K=1 levels of the ground vibrational state of CO-paraN2, were investigated. Both a-type rotational transitions within these two stacks and b-type ro-vibrational transitions connecting these two stacks were detected. A strong Coriolis interaction between these two new states was studied in detail. Nuclear quadrupole hyperfine splittings due to the presence of two equivalent N14 nuclei were resolved and analyzed to give additional information about the angular anisotropy of the interaction potential energy surface. In addition, rotational and ro-vibrational spectra of the paraN2 species of two minor isotopomers, i.e., C1613O–N2 and C1813O–N2, were measured. Strong Coriolis interaction was also observed and studied for the C1613O-paraN2 isotopomer. In the spectra of C1613O-paraN2, additional splittings due to C13 spin–rotation interaction were detected, besides the N14 nuclear quadrupole hyperfine structure. These data provide further important information about the intermolecular interaction between CO and N2.
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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 | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".