['For', 'decades', ',', 'vibronic', 'coupling', 'models', '[', '1–4', ']', 'have', 'served', 'as', 'bridges', 'connecting', 'nuclear', 'dynamics', 'studies', 'with', 'the', 'static', 'studies', 'of', 'electronic', 'structure', 'calculations', '[', '5', ']', '.']