Dichroic Palladium Dithiolate Coordination Polymers
Bibliographic record
Abstract
An isomorphous series of coordination polymers with the general formula M(H 2 O) 4 [Pd( iso- maleonitriledithiolate) 2 ]·2H 2 O (M = Mn, Co, Zn) was structurally characterized. They exhibit a 1-D zig-zag chain structure which further interacts via hydrogen bonding to form a highly aligned 2-D array of 1-D chains in the solid state. Single crystals are moderately pigmented orange in color when viewed under unpolarized visible light, but under plane-polarized light, they are dichroic down the 001 face, with a change in color from red to yellow upon rotation by 90°. Solid-state polarized absorption and, for the Zn-analogue, unpolarized emission spectra are reported and assigned as an MLCT transition and a d–d transition involving an excited triplet state with the LUMO (d x 2 - y 2 ) populated by one electron, respectively. These materials represent the first transition-metal coordination polymers that incorporate the [Pd( i -mnt) 2 ] 2– building block.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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) | 0.001 | 0.002 |
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; both teacher heads agree on what is shown here.
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".