REFINEMENT OF THE CRYSTAL STRUCTURE OF USHKOVITE FROM NEVADOS DE PALERMO, REPUBLICA ARGENTINA
Why this work is in the frame
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Bibliographic record
Abstract
Nous avons affine la structure cristaline de l'ushkovite, triclinique, a 5.3468(4), b 10.592(1), c 7.2251(7) A, a 108.278(7), β 111.739(7), γ 71.626(7)°, V 351.55(6) A 3 , Z = 2, groupe spatial P1, jusqu'a un residu R de 2.3% en utilisant 1781 reflexions observees mesurees avec rayonnement MoKa. Le meme cristal a par la suite ete analyse avec une microsonde electronique pour etablir la formule chimique, (Mg 0 . 9 7 Mn 2 + 0 . 0 1 )(H 2 O) 4 [(Fe 3 + 1 . 9 9 Al 0 . 0 3 )(PO 4 ) (OH) (H 2 O) 2 ] 2 (H 2 O) 2 , les groupes (OH) et (H 2 O) etant assignes selon une annalyse des valences de liaison a partir de la structure affinee. L'ushkovite possede la meme structure que la laueite. Des chaines d'octaedres [Fe 3 + O 2 (OH) 2 (H 2 O) 2 } lies par partage de coins sont paralleles a l'axe c et sont decorees avec des tetraedres (PO 4 ) pour former des chaines de stoechiometrie [Fe 3 + 2 O 4 (PO 4 ) 2 (OH) 2 (H 2 O) 2 ]. Ces chaines sont liees entre elles par partage de coins d'octaedres et de tetraedres pour former des panneaux de composition [Fe 3 + 2 (PP 4 ) 2 (OH) 2 (H 2 O) 2 ]; a leur tour, ceux-ci sont lies par des octaedres {MgO 2 (H 2 O) 4 }.
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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 | 0.001 | 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