Cartesian coordinates of optimized geometries of tetracene (ac4) and 5,12-bis((triisopropylsilyl)ethynyl)tetracene (tipsac4) in neutral, radical anion, radical cation states in the gas phase and CH2Cl2 and THF solvents. The geometry optimizations were done with CREST/CENSO2 as described in the mansucript, Chem. Eur. J. 2026; doi.org/10.002/chem.202503591