Self-assembly using stannylplatinum(IV) halide complexes as ligands for organotin halides
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Bibliographic record
Abstract
The possibility of forming extended structures by self-association using transition metal halides as donors to organotin acceptors has been investigated. The stannylplatinum(IV) complex [PtClMe 2 (SnMe 2 Cl)(bu 2 bpy)] forms a 1:1 adduct [PtClMe 2 (SnMe 2 Cl)(bu 2 bpy)]·Me 2 SnCl 2 with Me 2 SnCl 2 in which the organoplatinum complex acts as a donor to the organotin halide. Similarly, [PtClMe 2 (SnMeCl 2 )(bu 2 bpy)] forms adducts [PtClMe 2 (SnMeCl 2 )(bu 2 bpy)]·MeSnCl 3 or [PtClMe 2 (SnMeCl 2 )(bu 2 bpy)]·Me 2 SnCl 2 , and [{PtClMe 2 (bu 2 bpy)} 2 (µ-SnCl 2 )] forms [{PtClMe 2 (bu 2 bpy)} 2 (µ-SnCl 2 )]·Me 2 SnCl 2 . Structure determinations on selected compounds show that the donor is the Pt-Cl group and the acceptor tin centre is 5-coordinate. In the similar bromo complex [PtBrMe 2 (SnMeBr 2 )(bu 2 bpy)]·Me 2 SnBr 2 both the Pt-Br and PtSn-Br groups coordinate to the Me 2 SnBr 2 acceptor with short (3.14 or 3.29 Å) and long (3.99 or 4.05 Å) contacts, respectively, so that the acceptor tin centre adopts distorted octahedral stereochemistry in the solid state and a folded polymeric structure is formed. Reaction of [{PtClMe 2 (bu 2 bpy)} 2 (µ-SnCl 2 )] with AgO 3 SCF 3 yields the complex [{PtClMe 2 (bu 2 bpy)}(µ-SnCl 2 ){PtMe 2 (bu 2 bpy)O 3 SCF 3 }], which is fluxional in solution.Key words: platinum, tin, self-assembly, coordination chemistry, organometallics.
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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) | 0.000 | 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) | 0.006 | 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 it