SUPPLEMENTAL MATERIAL for Effect of Hartree-Fock Exact Exchange on Intramolecular Magnetic Coupling Constants of Organic Diradicals Daeheum Choa, Kyoung Chul Koa, Yasuhiro Ikabatab, Kazufumi Wakayamab, Takeshi Yoshikawab , Hiromi Nakaib-e, and Jin Yong Leea* a Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Korea b Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan c Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan d CREST, Japan Science and Technology Agency, Tokyo 102-0075, Japan e Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan E-mail: jinylee@skku.edu Table of Contents 1. Experimental and calculated intramolecular magnetic coupling constants (J) for the nine diradicals. S1 1. Experimental and calculated intramolecular magnetic coupling constants (J) for the nine diradicals. Table S1. Experimental and calculated intramolecular magnetic coupling constants (J in cm-1) for the nine diradicals with Group A functionals. Diradicals PBEPBE TPSSh B3LYP B97-1 X3LYP PBE0 BH&HLYP EXP. i 11.1 55.2 66.1 61.6 74.6 99.8 321.7 28a ii 7.5 48.0 54.0 49.6 61.4 88.5 273.3 27.8b iii 6.2 45.1 50.6 46.4 57.9 84.4 272.4 25c iv 24.7 46.9 45.8 43.6 49.6 61.8 164.3 19.3d v 5.4 31.0 33.0 108.2 38.2 56.8 188.5 6.5e vi 5.4 4.8 5.3 5.1 6.5 9.1 30.4 -1.1f vii -32.3 -71.0 -72.4 -68.4 -78.6 -98.3 -271.5 -29.7d viii -63.9 -203.0 -218.6 -210.8 -242.3 -298.9 -841.2 -72.3g ix -97.4 -320.4 -394.2 -382.1 -432.5 -517.2 -1450.8 -152a a Reference 1. bReference 2. cReference 3. dReference 4. eReference 5. fReference 6. gReference 7. Table S2. Experimental and calculated intramolecular magnetic coupling constants (J in cm-1) for the nine diradicals with Group B functionals. a Diradicals M06-L M06 M06-2X M06-HF EXP. i 28.6 93.3 179.7 139.2 28a ii 20.7 49.1 72.9 119.7 27.8b iii 19.3 48.5 67.3 112.2 25c iv 36.8 36.4 41.2 45.4 19.3d v 14.8 96.5 46.4 70.4 6.5e vi 5.1 10.2 14.4 12.3 -1.1f vii -51.8 -70.7 -69.7 -81.1 -29.7d viii -102.4 -188.7 -295.3 -440.9 -72.3g ix -184.7 -339.1 -600.6 -824.4 -152a Reference 1. bReference 2. cReference 3. dReference 4. eReference 5. fReference 6. gReference 7. S2 Table S3. Experimental and calculated intramolecular magnetic coupling constants (J in cm-1) for the nine diradicals with B3LYP analogues. a Diradicals BLYP BLYP-5 BLYP-7 BLYP-9 B3LYP BLYP-27 BLYP-54 EXP. i 11.4 16.1 20.2 25.0 66.1 108.7 447.9 28a ii 7.0 11.7 15.5 19.8 54.0 87.6 339.9 27.8b iii 5.5 10.1 13.7 17.8 50.6 82.9 338.2 25c iv 23.6 26.1 27.9 30.0 45.8 62.3 239.3 19.3d v 4.2 7.1 9.1 11.3 33.0 46.1 211.1 6.5e vi 1.1 1.0 1.3 1.8 5.3 9.1 41.7 -1.1f vii -31.1 -34.6 -37.9 -41.8 -72.4 -102.0 -402.8 -29.7d viii -57.9 -87.6 -103.3 -120.3 -218.6 -310.4 -1029.8 -72.3g ix -102.2 -137.3 -163.1 -191.3 -394.2 -575.7 -2045.6 -152a Reference 1. bReference 2. cReference 3. dReference 4. eReference 5. fReference 6. gReference 7. References. 1 T. Mitsumori, K. Inoue, N. Koga, and H. Iwamura, J. Am. Chem. Soc. 117, 2467 (1995). 2 K. Hayakawa, D. Shiomi, T. Ise, K. Sato, and T. Takui, J. Mater. Chem. 16, 4146 (2006). 3 L. Catala, J. Le Moigne, N. Kyritsakas, P. Rey, J.J. Novoa, and P. Turek, Chem. – A Eur. J. 7, 2466 (2001). 4 J.B. Gilroy, S.D.J. McKinnon, P. Kennepohl, M.S. Zsombor, M.J. Ferguson, L.K. Thompson, and R.G. Hicks, J. Org. Chem. 72, 8062 (2007). 5 R. Ziessel, G. Ulrich, R. C. Lawson, and L. Echegoyen, J. Mater. Chem. 9, 1435 (1999). 6 J.L. Poderoso, A. González-Cabello, O. Jürgens, J. Vidal-Gancedo, J. Veciana, T. Torres, and P. Vázquez, Synth. Met. 121, 1830 (2001). 7 A. Caneschi, P. Chiesi, L. David, F. Ferraro, D. Gatteschi, and R. Sessoli, Inorg. Chem. 32, 1445 (1993). S3