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Record W2004104574 · doi:10.1107/s1600536808025397

(2<i>R</i>,3a<i>R</i>,4<i>S</i>,7<i>R</i>,7a<i>S</i>,9<i>R</i>,10a<i>R</i>,11<i>S</i>,14<i>R</i>,14a<i>S</i>)-<i>rel</i>-3a,4,7,7a,10a,11,14,14a-Octahydro-4,14:7,11-diepoxy-2,9-propanonaphtho[1,2-<i>f</i>:5,6-<i>f</i>′]diisoindole-1,3,8,10-tetrone (9CI): a cyclophane derived from naphtho[1,2-<i>c</i>:5,6-<i>c</i>]difuran

2008· article· en· W2004104574 on OpenAlexaff
M.E. Thibault, Masood Parvez, Peter W. Dibble

Bibliographic record

VenueActa Crystallographica Section E Structure Reports Online · 2008
Typearticle
Languageen
FieldChemistry
TopicCrystal structures of chemical compounds
Canadian institutionsUniversity of CalgaryUniversity of Lethbridge
Fundersnot available
KeywordsAlicyclic compoundDihedral angleNaphthaleneBenzeneEne reactionCrystallographyChemistryStereochemistryPolymer chemistryMoleculeOrganic chemistryHydrogen bond

Abstract

fetched live from OpenAlex

The title compound, C(25)H(18)N(2)O(6), is a naphthalenophane styled in the manner of Warrener's alicyclic cyclo-phanes or mol-ecular racks wherein a trimethyl-ene tether is perfectly staggered between the two N atoms such that the central methyl-ene H atoms point toward the naphthalene π-system. The dihedral angle between the mean planes of the two benzene rings is 7.61 (7)°.

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.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.004
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Open science, Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.786
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.004
Meta-epidemiology (narrow)0.0120.012
Meta-epidemiology (broad)0.0110.007
Bibliometrics0.0040.011
Science and technology studies0.0060.007
Scholarly communication0.0020.006
Open science0.0090.005
Research integrity0.0080.011
Insufficient payload (model declined to judge)0.0080.000

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.

Opus teacher head0.010
GPT teacher head0.225
Teacher spread0.215 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; both teacher heads agree on what is shown here.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2008
Admission routes1
Has abstractyes

Explore more

Same venueActa Crystallographica Section E Structure Reports OnlineSame topicCrystal structures of chemical compoundsFrench-language works237,207