The metastable <i>m</i>‐Ba<sub>2</sub>SnSe<sub>5</sub> – Synthesis, Phase Transition, Crystal Structure, Structural Relations and Electronic Structure
Why this work is in the frame
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Bibliographic record
Abstract
Abstract A new modification of Ba 2 SnSe 5 was synthesized in a flux reaction. The crystal structure of this compound was solved in the space group P 12 1 / c 1 with cell parameters of a = 21.17189(8) Å, b = 9.0915(3) Å, c = 24.7141(8) Å and β = 125.621(1) °. The compound consists of two slightly different types of Sn 4 Se 14 12– as well as Se 3 2– fragments and Ba 2+ ions. The structure of the new modification is strongly related to the already reported α form, and therefore it is described using group–subgroup relations., To investigate the nature of this transition, thermal experiments and band structure calculations were performed.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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