Structures and Nonlinear Optical Properties of Two Acentric Borates with Cubic Cage-like Frameworks
Why this work is in the frame
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Bibliographic record
Abstract
Two new acentric borates, Li 2 Sr 0.5 [B 3 (BO 3 ) 4 ] ( 1 ) and Na 4 [Al 3 (BO 3 ) 4 ]·Cl ( 2 ), with cage-like frameworks constructed by BO 3 and TO 4 (T = B ( 1 ), Al ( 2 )) units, were hydrothermally synthesized. The 3D anionic frameworks of 1 and 2 are built by two types of isostructural B–O and Al–B–O cages, respectively, and are further interpenetrated by polyhedral cubic unit ( pcu ) cationic frameworks. Both compounds not only feature novel interpenetrating pcu anionic and cationic frameworks, which are rarely observed in borate structural chemistry, but also exhibit moderate second harmonic generation (SHG) responses and a short cutoff edge, indicating their potential as deep ultraviolet nonlinear optical (NLO) crystals.
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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) | 0.000 | 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 it