WT2.7.0 phonon LO-TO fouractualnative6mode2sublattice analyticmodel.50independentgates;no DFT/realmaterialTHz/convertervalidationclaim. Frequency plottedin modelunits. NativeNACusesVASPToTHZ29.54263748/volumeBohr3,whileHRreadHa^-2;this normalizationmustbe independentlycheckedbefore materialTHz. q>=.02 avoids currentGamma111 fallback,globalminimum subtraction notstabilitytest. NeutralBorn+/-0.05;eps2/4ratioLO2minusTO2=2;anisotropicdirections. Readplotprepare sourcepinnednewrun.
