Supplemental Materials for: Massively Parallel Implementations of Coupled-Cluster Methods for Electron Spin Resonance Spectra I: Isotropic Hyperfine Coupling Tensors in Large Radicals Prakash Vermaa, Ajith Pereraa,b, and Jorge A. Moralesa* a Department of Chemistry and Biochemistry Texas Tech University PO Box 41061, Lubbock, TX 79409-1061, USA Phone: (806) 742-3094, Fax: (806) 742-1289 b Department of Chemistry, Quantum Theory Project, University of Florida, Gainesville, FL 32611, USA *Corresponding author; email address:jorge.morales@ttu.edu Contents: Figures showing the structures and atoms’ numbering of the molecules in test set II: diethylaminyl, benzyl, 1,3,2-benzodithiazolyl, phenylaminyl, cyclo-hexyl, aniline cation, 4nitroaniline cation, p-phenylenediamine cation, N,N-dimethylamino-p-phenylenediamine cation, N,N-dimethyl-4-nitroaniline cation, 1-adamantyl, and Zn-porphycene anion radicals. Figure produced with the molecular visualization tool Avogadro. P. Verma, A. Perera and J. A. Morales—Page S1 Figure S1: Structure and atoms’ numbering of the diethylaminyl radical Figure S2: Structure and atoms’ numbering of the benzyl radical P. Verma, A. Perera and J. A. Morales—Page S2 Figure S3: Structure and atoms’ numbering of the 1,3,2-benzodithiazolyl radical Figure S4: Structure and atoms’ numbering of the phenylaminyl radical P. Verma, A. Perera and J. A. Morales—Page S3 Figure S5: Structure and atoms’ numbering of cyclo-hexyl radical Figure S6: Structure and atoms’ numbering of aniline cation radical P. Verma, A. Perera and J. A. Morales—Page S4 Figure S7: Structure and atoms’ numbering of the 4-nitroaniline cation radical Figure S8: Structure and atoms’ numbering of the p-phenylenediamine cation radical P. Verma, A. Perera and J. A. Morales—Page S5 Figure S9: Structure and atoms’ numbering of the N,N-dimethylamino-p phenylenediamine cation radical Figure S10: Structure and atoms’ numbering of the N,N-dimethyl-4-nitroaniline cation P. Verma, A. Perera and J. A. Morales—Page S6 Figure S11: Structure and atoms’ numbering of the 1-adamantyl radical P. Verma, A. Perera and J. A. Morales—Page S7 Figure S12: Structure and atoms’ numbering of the Zn-porphycene Structure and atom’s numbering anion radical P. Verma, A. Perera and J. A. Morales—Page S8