[NO][HCB<sub>11</sub>Cl<sub>11</sub>] – Synthesis, Characterization, Crystal Structure, and Reaction with P<sub>4</sub>
Bibliographic record
Abstract
Abstract The thermodynamic stability of the [HCB 11 Cl 11 ] – salts of the cationic one‐electron oxidizers [NO] + and [O 2 ] + was estimated by Born–Haber–Fajans cycles based on quantum‐chemical calculations and lattice enthalpy estimations. [NO][HCB 11 Cl 11 ] is predicted to be a stable compound, whereas [O 2 ][HCB 11 Cl 11 ] should decompose into O 2 and the HCB 11 Cl 11 · radical. Consequently, [NO][HCB 11 Cl 11 ] can be prepared by metathesis reaction from Na[HCB 11 Cl 11 ] and [NO][BF 4 ] in liquid sulfur dioxide, while attempts to synthesize [O 2 ][HCB 11 Cl 11 ] failed. [NO][HCB 11 Cl 11 ] has been fully characterized by NMR and vibrational spectroscopy. Single crystals of [NO][HCB 11 Cl 11 ] · SO 2 were obtained from liquid sulfur dioxide solution. The crystal structure determination revealed several intermolecular cation–anion contacts, which are significantly shorter than the sum of the van der Waals radii of the respective atoms. [NO][HCB 11 Cl 11 ] reacts with white phosphorus in CH 2 Cl 2 solution to give yellow‐orange [P 4 NO][HCB 11 Cl 11 ] containing the [P 4 NO] + cation. An in‐situ NMR spectroscopic study indicates the presence of the homopolyatomic phosphorus cation [P 9 ] + in the reaction mixture.
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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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".