Reactivity of low-valent iridium thiolate complexes
Bibliographic record
Abstract
A series of six-coordinate iridium thiol complexes, HIr(SR)(X)L2 where R = C6H5, C6H4CH3, or C6H4NO2, X = Cl or I and L = P(C6H5)3 or (C6H5)2PC2H4P(C6H5)2, have been synthesized by oxidative addition of four-coordinate precursors. Another series of metal complexes containing sulfur-rich ligands with the formula, M(SxCC6H4CH3) or M(SxCC6H5) where M = Zn, Ni or Co have been prepared as well. The infrared and nuclear magnetic resonance spectra of these complexes are discussed with regard to possible structures for the isomers these compounds tend to form under varying conditions. Some of these results help to confirm the large trans effect some of these ligands have within their respective complexes and are reconfirmed by the crystal structures obtained in these studies. The alpha effect of lone pair-bearing substituents was also explored with focus on the enhanced nucleophilicity of adjacent thiol groups. The results of these studies are further described in this thesis.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.002 |
| Open science | 0.002 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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".