The First “Organic Zeolite” with Isomerizing Building Blocks: Single-Crystal-to-Single-Crystal Desolvation and Structure of the Empty Matrix
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
The microporous β polymorph of the title compound has been prepared as a crystalline product by slow removal of the guest from the inclusion compound with methylene chloride, [CuL 2 ]*2/3(CH 2 Cl 2 ) (L is 1,1,1-trifluoro-5,5-dimethyl-5-methoxyacetylacetonate, {CF 3 COCHCOC(CH 3 ) 2 OCH 3 } - ). Collapse of the crystals of the β polymorph into the thermodynamically stable α form has been studied by visual observation and DSC calorimetry, the product exhibiting much higher kinetic stability than the polycrystalline samples prepared so far. The crystal structure of the β polymorph was determined by single-crystal XRD methods both at 293 and 173 K. The β polymorph retains the same 3D polymeric coordination framework as found previously in inclusion compounds of the complex. The structures of the β and α polymorphs are compared and the variation of the β matrix in a series of compounds was analyzed. The β framework described in this work seems to be the most flexible of all coordination polymers known so far, preserving its microporous structure upon guest exchange or removal; the complete range of change in molar volume observed for the matrix is 8.6%.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 it