The First Titanium Molybdenum Antimonide: Ti<sub>5.42</sub>Mo<sub>2.58</sub>Sb<sub>9</sub>, a Substitution Variant of Zr<sub>2</sub>V<sub>6</sub>Sb<sub>9</sub>
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The new ternary antimonide Ti 5.42(2) Mo 2.58 Sb 9 was uncovered by a reaction of the elements under exclusion of air at 1150 °C. It crystallizes in a ternary substitution variant of the V 7.5 Sb 9 type, a structure not known to exist in either the Ti/Sb or the Mo/Sb system. The crystal structure of Ti 5.42 Mo 2.58 Sb 9 was determined from single crystal X‐ray data: space group P 4/ nmm , with a = 9.8178(8) Å, c = 7.1857(8) Å, V = 692.6(1) Å 3 , Z = 2, R1 = 0.025, wR2 = 0.052 (all data). The structure contains four metal atom sites, two thereof occupied solely by Ti atoms, and two by different Ti/Mo mixtures. The former two correspond to the Zr sites, and the latter two to the V sites of the isostructural antimonide Zr 2 V 6 Sb 9 . The crystal structure is comprised of chains of face‐sharing TiSb 8 square antiprisms, Ti/Mo tetrahedra and Sb atom pairs and squares. The electronic structure, computed with the LMTO approximation, is indicative of metallic properties. In addition to the dominating metal–Sb bonds, strong metal–metal and Sb–Sb bonds exist as well in Ti 5.42 Mo 2.58 Sb 9 . The Mo content per metal site increases with increasing metal–metal interactions.
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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 | 0.003 | 0.002 |
| Meta-epidemiology (narrow) | 0.005 | 0.005 |
| Meta-epidemiology (broad) | 0.004 | 0.002 |
| Bibliometrics | 0.001 | 0.003 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.005 | 0.003 |
| Research integrity | 0.004 | 0.004 |
| Insufficient payload (model declined to judge) | 0.000 | 0.003 |
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