Supplementary materials for, 'Sub-Neptunes as Soot Factories: Deep Atmosphere Hydrocarbon Formation and Quenching as the Origin of Sub-Neptune Aerosol Trends'

Supplementary materials for “Sub-Neptunes as Soot Factories: Deep Atmosphere Hydrocarbon Formation and Quenching as the Origin of Sub-Neptune Aerosol Trends (arXiv:2604.11919)”. These materials include: The resulting elemental abundances: abundance_grids.csv The full species classification: species_ring_classification.csv Chemical network in formats compatible with Cantera v3.1.0 (Goodwin et al. 2024) soot_network_v1.txt soot_network_v1.yaml Reaction Mechanism Generator (v3.3) input file (Gao et al. 2016; Liu et al. 2021b; Johnson et al. 2022) input.py SVG files showing the species' molecular structures PAH_class.svg NoRing_class.svg AH_class.svg