Organometallic Chemistry of the Difluorodithiophosphate Anion
Bibliographic record
Abstract
Abstract An improved synthetic route of [NnPr4][S2PF2] was devised, and its structure was determined. This unusual dithiophosphate is a good ligand for low valent metal centers and examples of this being hydrolytically stable ruthenium complexes RuH(CO)(S2PF2)(PPh3)2, RuCl(CO)(S2PF2)(PPh3)2 and Ru(S2PF2)2(PPh3)2. Taken together these results give an insight into the bonding of the S2PF2 anion to low oxidation state complexes. A comparison of the structural features and reactivity of the complexes with other known Ru(II) complexes is presented. Ru(S2PF2)2(PPh3)2 was successfully carbonylated to give a complex with monohapto and dihapto S2PF2 ligands, Ru(CO)(η1‐S2PF2)(η2‐S2PF2)(PPh3)2 confirming the lability of the fluorothiophosphate anion. Isomers of this latter complex have been structurally characterized with cis and trans PPh3.
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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".