Reactions of SO<sub>2</sub> with <i>trans</i>-Ir(CO)(Cl)(TPPTS)<sub>2</sub> in water
Bibliographic record
Abstract
Reaction of SO 2 with trans-Ir(CO)(Cl)(TPPTS) 2 in water mirrors the nature of SO 2 dissolved in water. At low pH (pH = 1) where SO 2 exists as the hydrated species SO 2 ·H 2 O, only Ir(CO)(Cl)(SO 2 )(TPPTS) 2 forms. At higher pH (pH = 6) where HSO 3 dominates, no SO 2 complex is observed and a hydride, Ir(CO)(Cl)(H)(OH)(TPPTS) 2 , is the primary product. A mixture of SO 2 and O 2 does not lead to an iridium sulfate or show any evidence of the dioxygen adduct upon reaction in water with trans-Ir(CO)(Cl)(TPPTS) 2 , in contrast to the analogous reaction in organic solvents. In water, only the SO 2 complex, Ir(CO)(Cl)(SO 2 )(TPPTS) 2 , is observed prior to decomposition. The contrasts to the PPh 3 analogues in organic solvents provide further insight to water as a solvent for organometallic complexes.Key words: iridium(I), sulfur dioxide, water soluble, TPPTS.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.002 |
| Insufficient payload (model declined to judge) | 0.001 | 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 teacher head, 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".