Table S1. The main optimized geometry structural parameters of complexes 6-12 in the ground and lowest-lying triplet excited state at the B3LYP/LANL2DZ and CIS/LANL2DZ level respectively.
6 / 7 / 8 / 9 / 10 / 11 / 12parameters / X1A / A3B / X1A / A3A / X1A / A3B / X1A / A3A / X1A / A3B / X1A / A3A / X1A / A3B
Bond Length [Å]
Ir-N / 2.056 / 2.083 / 2.053 / 2.085 / 2.053 / 2.081 / 2.078 / 2.118 / 2.049 / 2.080 / 2.053 / 2.084 / 2.048 / 2.080
Ir-C / 2.016 / 2.043 / 2.010 / 2.035 / 2.007 / 2.033 / 2.007 / 2.035 / 2.010 / 2.036 / 2.008 / 2.035 / 2.007 / 2.032
Ir-O / 2.173 / 2.163 / 2.186 / 2.172 / 2.184 / 2.174 / 2.179 / 2.157 / 2.189 / 2.176 / 2.190 / 2.177 / 2.193 / 2.182
Bond Angle [deg]
N-Ir-N / 179.6 / 178.5 / 176.9 / 176.7 / 177.3 / 176.8 / 175.6 / 174.8 / 177.2 / 176.7 / 177.3 / 176.7 / 177.4 / 176.9
O-Ir-O / 86.3 / 83.3 / 85.7 / 83.0 / 85.7 / 82.8 / 85.7 / 83.5 / 85.5 / 82.6 / 85.4 / 82.8 / 85.2 / 82.4
C-Ir-C / 92.9 / 92.2 / 93.2 / 91.9 / 92.9 / 91.8 / 92.5 / 91.0 / 93.1 / 91.8 / 93.0 / 91.8 / 93.2 / 91.9
Dihedral Angle [deg]
C-N-Ir-O / 86.3 / 90.1 / 86.4 / 89.8 / 84.9 / 89.9 / 86.5 / 90.8 / 86.2 / 90.3 / 86.3 / 89.9 / 86.0 / 89.7
C-N-Ir-C / 85.2 / 86.1 / 84.6 / 86.9 / 84.9 / 87.0 / 86.5 / 89.6 / 84.9 / 87.3 / 85.0 / 86.9 / 84.3 / 86.6
4
Table S2. The calculated absorptions of complexes 3, 4, 7, 8, and 10−12 with TDDFT method
transition / config. (CI coeff) / E/nm(eV) / oscillator / assignt.3 / X1A → A1B / 67a → 66b (0.68384) / 418 (2.96) / 0.0482 / MLCT/ILCT
X1A → B1B / 65b → 68a (0.68346) / 385 (3.22) / 0.0552 / MLCT/LLCT
X1A → C1B / 67a → 67b (0.59188) / 338 (3.67) / 0.0759 / MLCT
X1A → D1B / 64b → 70a (0.59142) / 254 (4.89) / 0.4037 / ILCT
4 / X1A → A1B / 71a → 70b (0.68475) / 397 (3.12) / 0.0431 / MLCT/ILCT
X1A → B1B / 69b → 72a (0.68573) / 374 (3.32) / 0.0658 / MLCT/LLCT
X1A → C1B / 70a → 70b (0.49322) / 330 (3.76) / 0.0621 / MLCT
69b → 73a (0.42912) / MLCT
X1A → D1B / 68b → 72a (0.58603) / 297 (4.18) / 0.0458 / ILCT
X1A → E1B / 68b → 74a (0.44600) / 249 (4.98) / 0.2603 / ILCT
7 / X1A → A1B / 63a → 62b (0.68202) / 456 (2.72) / 0.0573 / MLCT/ILCT
X1A → B1B / 61b → 64a (0.68161) / 397 (3.12) / 0.0544 / MLCT/LLCT
X1A → C1B / 62a → 62b (0.65962) / 354 (3.51) / 0.0936 / MLCT
X1A → D1B / 60b → 66a (0.50091) / 265 (4.67) / 0.3251 / ILCT
8 / X1A → A1B / 63a → 62b (0.68582) / 440 (2.82) / 0.0496 / MLCT/ILCT
X1A → B1B / 61b → 64a (0.68164) / 391 (3.17) / 0.0561 / MLCT/LLCT
X1A → C1B / 62a → 62b (0.62542) / 348 (3.56) / 0.1167 / MLCT
X1A → D1B / 60b → 66a (0.51927) / 256 (4.84) / 0.2763 / ILCT
10 / X1A → A1B / 63a → 62b (0.68686) / 482 (2.57) / 0.0659 / MLCT/ILCT
X1A → B1B / 61b → 64a (0.68997) / 418 (2.97) / 0.0354 / MLCT/LLCT
X1A → C1B / 62a → 62b (0.67104) / 353 (3.51) / 0.0731 / MLCT
X1A → D1B / 60b → 65a (0.42580) / 269 (43.61) / 0.3101 / ILCT
11 / X1A → A1B / 63a → 62b (0.68070) / 459 (2.70) / 0.0615 / MLCT/ILCT
X1A → B1B / 51b → 64a (0.65537) / 395 (3.14) / 0.0386 / MLCT/LLCT
X1A → C1B / 62a → 62b (0.65448) / 354 (3.50) / 0.0815 / MLCT
X1A → D1B / 59b → 65a (0.37557) / 267 (4.65) / 0.4756 / ILCT
12 / X1A → A1B / 63a → 62b (0.68596) / 477 (2.60) / 0.0473 / MLCT/ILCT
X1A → B1B / 61b → 64a (0.68004) / 408 (3.04) / 0.0566 / MLCT/LLCT
X1A → C1B / 62a → 62b (0.65259) / 359 (3.45) / 0.1254 / MLCT
X1A → D1B / 60b → 66a (0.56322) / 268 (4.63) / 0.2500 / ILCT
Table S3. The partial molecular orbital compositions (%) in the ground state for complex 1 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
62a / -0.9905 / 1.5 / 98.0 / 0.5 / p*(C^N)
59b / -1.101 / 1.8 / 97.4 / 0.8 / p*(C^N)
61a / -1.1622 / 4.1 / 14.6 / 81.3 / p*(acac)
60a / -1.563 / 3.9 / 93.2 / 2.9 / p*(C^N)
58b / -1.5679 / 3.6 / 94.9 / 1.5 / p*(C^N)
HOMO-LUMO Energy Gap
59a / -5.078 / 50.1 / 42.5 / 7.3 / d(Ir)+p(C^N) / 35.5 dz2 13.6 dxy
57b / -5.5169 / 46.8 / 15.5 / 37.7 / d(Ir)+p(C^N)+p(acac) / 31.3 dxz, 15 dyz
58a / -5.924 / 66.6 / 27.4 / 6.0 / d(Ir)+p(C^N) / 63.6 dx2-y2
56b / -6.0949 / 0.6 / 95.2 / 4.2 / p(C^N)
Table S4. The partial molecular orbital compositions (%) in the ground state for complex 3 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
70a / -1.2052 / 1.5 / 98.1 / 0.4 / p*(C^N)
67b / -1.3124 / 1.7 / 97.6 / 0.7 / p*(C^N)
69a / -1.4175 / 3.7 / 13.3 / 83.0 / p*(acac)
68a / -1.9119 / 3.8 / 94.0 / 2.2 / p*(C^N)
66b / -1.9195 / 3.3 / 95.3 / 1.4 / p*(C^N)
HOMO-LUMO Energy Gap
67a / -5.6690 / 50.0 / 41.2 / 8.8 / d(Ir)+p(C^N) / 34.7 dz2 13.2 dxy
65b / -5.8864 / 39.5 / 12.9 / 47.6 / d(Ir)+p(C^N)+p(acac) / 24.3 dxz, 14.6 dyz
66a / -6.4059 / 65.0 / 28.2 / 6.8 / d(Ir)+p(C^N) / 63.0 dx2-y2
64b / -6.5877 / 2.9 / 89.5 / 7.6 / p(C^N)
Table S5. The partial molecular orbital compositions (%) in the ground state for complex 4 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
74a / -1.2438 / 1.3 / 98.4 / 0.3 / p*(C^N)
71b / -1.2525 / 1.3 / 98.1 / 0.6 / p*(C^N)
73a / -1.5424 / 3.4 / 13.7 / 82.9 / p*(acac)
70b / -1.9571 / 3.5 / 95.1 / 1.4 / p*(C^N)
72a / -1.9962 / 3.2 / 94.8 / 2.0 / p*(C^N)
HOMO-LUMO Energy Gap
71a / -5.8736 / 49.7 / 41.5 / 8.6 / d(Ir)+p(C^N) / 33.9 dz2 13.6 dxy
69b / -6.0532 / 36.4 / 14.5 / 49.1 / d(Ir)+p(C^N)+p(acac) / 23.2 dxz, 12.9dyz
70a / -6.5795 / 58.6 / 34.6 / 6.8 / d(Ir)+p(C^N) / 56.1 dx2-y2
68b / -6.7319 / 4.5 / 86.8 / 8.7 / p(C^N)
Table S6. Molecular Orbital Compositions (%) in the Ground State of 6 at B3LYP/LANL2DZ Level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
66a / -1.046 / 1.3 / 98.4 / 0.3 / p*(C^N)
63b / -1.059 / 1.3 / 98.1 / 0.6 / p*(C^N)
65a / -1.306 / 3.6 / 14.6 / 81.8 / p*(acac)
62b / -1.626 / 3.6 / 95.0 / 1.4 / p*(C^N)
64a / -1.647 / 3.3 / 93.8 / 2.9 / p*(C^N)
HOMO−LUMO Energy Gap
63a / -5.323 / 50.0 / 42.4 / 7.6 / d(Ir)+p(C^N) / 35.0 dz2 11.5 dx2-y2
61b / -5.713 / 44.3 / 14.8 / 40.9 / d(Ir)+p(C^N)+p(acac) / 10.8 dxz, 33.2 dyz
62a / -6.133 / 61.6 / 32.6 / 5.8 / d(Ir)+p(C^N) / 29 dx2-y2 30.5 dxy
60b / -6.325 / 1.2 / 94.6 / 4.2 / p(C^N)
Table S7. The partial molecular orbital compositions (%) in the ground state for complex 7 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
66a / -1.1538 / 1.9 / 97.0 / 1.1 / p*(C^N)
63b / -1.2653 / 2.2 / 97.0 / 0.8 / p*(C^N)
65a / -1.2716 / 3.9 / 14.8 / 81.3 / p*(acac)
64a / -1.7824 / 3.7 / 94.0 / 2.3 / p*(C^N)
62b / -1.7943 / 3.2 / 95.6 / 1.2 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.2652 / 48.2 / 44.4 / 7.4 / d(Ir)+p(C^N) / 34.3 dz2 13.1 dxy
61b / -5.6731 / 44.1 / 14.1 / 41.8 / d(Ir)+p(C^N)+p(acac) / 29.4 dxz, 14.1 dyz
62a / -6.1332 / 68.1 / 25.7 / 6.2 / d(Ir)+p(C^N) / 65.0 dx2-y2
60b / -6.3096 / 0.9 / 96.0 / 3.1 / p(C^N)
Table S8. The partial molecular orbital compositions (%) in the ground state for complex 8 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
66a / -1.0811 / 1.4 / 98.2 / 0.4 / p*(C^N)
63b / -1.1785 / 1.6 / 97.7 / 0.7 / p*(C^N)
65a / -1.2953 / 3.9 / 13.6 / 82.5 / p*(acac)
64a / -1.7693 / 3.9 / 93.7 / 2.4 / p*(C^N)
62b / -1.7734 / 3.6 / 94.9 / 1.5 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.3710 / 50.3 / 41.6 / 8.1 / d(Ir)+p(C^N) / 35.5 dz2 13.1 dxy
61b / -5.7114 / 43.2 / 14.2 / 42.6 / d(Ir)+p(C^N)+p(acac) / 27.0 dxz, 15.6 dyz
62a / -6.1659 / 65.7 / 28.1 / 6.2 / d(Ir)+p(C^N) / 64.0 dx2-y2
60b / -6.4176 / 2.0 / 91.8 / 6.2 / p(C^N)
Table S9. The partial molecular orbital compositions (%) in the ground state for complex 9 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
65a / -1.1257 / 1.8 / 85.6 / 12.6 / p*(C^N)
63b / -1.1731 / 1.1 / 98.5 / 0.4 / p*(C^N)
64a / -1.8346 / 4.2 / 94.7 / 1.1 / p*(C^N)
62b / -1.8724 / 3.1 / 95.6 / 1.3 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.1947 / 48.9 / 42.4 / 8.7 / d(Ir)+p(C^N) / 34.2 dz2 12.7 dxy
61b / -5.5297 / 31.1 / 10.7 / 58.2 / d(Ir)+p(C^N)+p(acac) / 5.4 dxz, 25.3 dyz
62a / -6.2013 / 63.5 / 31.0 / 5.4 / d(Ir)+p(C^N) / 21.6 dx2-y2 39.1 dxy
60b / -6.2067 / 3.2 / 92.2 / 4.6 / p(C^N)
Table S10. The partial molecular orbital compositions (%) in the ground state for complex 10 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
66a / -1.3015 / 1.8 / 87.6 / 10.6 / p*(C^N)
65a / -1.3086 / 3.6 / 25.4 / 71.0 / p*(C^N)+p*(acac)
63b / -1.4286 / 0.9 / 98.4 / 0.7 / p*(C^N)
62b / -1.8289 / 4.8 / 93.8 / 1.4 / p*(C^N)
64a / -1.8656 / 4.4 / 93.3 / 2.3 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.2635 / 48.8 / 43.8 / 7.4 / d(Ir)+p(C^N) / 34.6 dz2 12.5 dx2-y2
61b / -5.7229 / 42.6 / 14.9 / 42.5 / d(Ir)+p(C^N)+p(acac) / 6.7 dxz, 35.4 dyz
62a / -6.1681 / 62.2 / 31.7 / 6.1 / d(Ir)+p(C^N) / 18.7 dx2-y2 41.2 dxy
60b / -6.2478 / 0.6 / 94.9 / 4.5 / p(C^N)
59b / -6.5289 / 8.4 / 58.5 / 33.1 / p(C^N)+p(acac)
Table S11. The partial molecular orbital compositions (%) in the ground state for complex 11 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
65a / -1.3116 / 1.0 / 79.2 / 19.8 / p*(C^N)
63b / -1.3745 / 2.2 / 97.0 / 0.8 / p*(C^N)
64a / -1.7742 / 3.8 / 94.0 / 2.2 / p*(acac)
62b / -1.7960 / 3.1 / 95.7 / 1.2 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.2540 / 49.9 / 42.5 / 7.1 / d(Ir)+p(C^N) / 35.4 dz2 12.7 dx2-y2
61b / -5.6791 / 44.1 / 15.1 / 40.8 / d(Ir)+p(C^N)+p(acac) / 7.3 dxz, 36.4 dyz
62a / -6.1204 / 65.6 / 28.4 / 6.0 / d(Ir)+p(C^N) / 21.0 dx2-y2 42.7 dxy
60b / -6.3057 / 1.0 / 95.2 / 3.8 / p(C^N)
Table S12. The partial molecular orbital compositions (%) in the ground state for complex 12 at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
66a / -1.1385 / 1..3 / 98.4 / 0.3 / p*(C^N)
63b / -1.2457 / 1.4 / 98.1 / 0.5 / p*(C^N)
65a / -1.2955 / 3.5 / 14.3 / 82.2 / p*(acac)
62b / -1.8926 / 4.5 / 94.2 / 1.3 / p*(C^N)
64a / -1.913 / 4.3 / 93.7 / 2.0 / p*(C^N)
HOMO-LUMO Energy Gap
63a / -5.2649 / 48.6 / 44.1 / 7.3 / d(Ir)+p(C^N) / 34.6 dz2 13.1 dx2-y2
61b / -5.7182 / 42.6 / 14.0 / 43.4 / d(Ir)+p(C^N)+p(acac) / 40.5 dyz
62a / -6.1765 / 65.0 / 28.9 / 6.1 / d(Ir)+p(C^N) / 61.7 dxy
60b / -6.2725 / 0.9 / 96.3 / 2.8 / p(C^N)
Table S13. The partial molecular orbital compositions (%) for complex 1-4 and 6-12 in excited states at B3LYP/LANL2DZ level
MO compositionorbital / energy (eV) / Ir / C^N / acac / main bond nature / Ir components
1 / 58b / -1.5962 / 2.7 / 96.1 / 1.3 / p*(C^N)
59a / -5.0684 / 51.2 / 39.8 / 9.0 / d(Ir)+p(C^N) / 36 dz2 11.9 dx2-y2
2 / 64a / -1.6605 / 3.6 / 95.0 / 1.5 / p*(C^N)
62b / -1.7179 / 2.4 / 96.3 / 1.2 / p*(C^N)
63a / -5.3425 / 50.5 / 39.8 / 9.7 / d(Ir)+p(C^N) / 35.0 dz2 14.1 dxy
3 / 68a / -1.8528 / 3.7 / 94.9 / 1.4 / p*(C^N)
66b / -1.8996 / 2.6 / 96.2 / 1.2 / p*(C^N)
67a / -5.6070 / 51.0 / 38.3 / 10.7 / d(Ir)+p(C^N) / 35.1 dz2 13.7 dxy
4 / 72a / -1.9486 / 3.2 / 95.5 / 1.3 / p*(C^N)
70b / -1.9530 / 2.8 / 96.0 / 1.2 / p*(C^N)
71a / -5.8064 / 50.8 / 38.2 / 11.0 / d(Ir)+p(C^N) / 34.7 dz2 14.1 dxy
6 / 62b / -1.6686 / 2.7 / 96.0 / 1.4 / p*(C^N)
63a / -5.3052 / 51.1 / 39.4 / 9.6 / d(Ir)+p(C^N) / 35.8 dz2 11.3 dx2-y2
7 / 64a / -1.7620 / 3.6 / 95.1 / 1.4 / p*(C^N)
62b / -1.8259 / 2.4 / 96.6 / 1.1 / p*(C^N)
63a / -5.2271 / 49.2 / 41.9 / 9.0 / d(Ir)+p(C^N) / 34.6 dz2 13.6 dxy
8 / 62b / -1.7818 / 2.8 / 95.9 / 1.3 / p*(C^N)
63a / -5.3324 / 51.5 / 38.6 / 10.0 / d(Ir)+p(C^N) / 35.9 dz2 13.6 dxy
9 / 64a / -1.7960 / 3.8 / 95.2 / 1.0 / p*(C^N)
62b / -1.8779 / 2.0 / 96.9 / 1.1 / p*(C^N)
63a / -5.1754 / 50.1 / 39.1 / 10.8 / d(Ir)+p(C^N) / 34.7 dz2 13.1 dx2-y2
10 / 62b / -1.7990 / 3.6 / 95.0 / 1.4 / p*(C^N)
63a / -5.2336 / 49.9 / 40.9 / 9.2 / d(Ir)+p(C^N) / 35.1 dz2 13 dx2-y2
11 / 64a / -1.7960 / 3.8 / 95.2 / 1.0 / p*(C^N)
62b / -1.8779 / 2.0 / 96.9 / 1.1 / p*(C^N)
63a / -5.1754 / 50.1 / 39.1 / 10.8 / d(Ir)+p(C^N) / 34.7 dz2 13.1 dx2-y2
12 / 63a / -5.2361 / 49.7 / 41.2 / 9.1 / p*(C^N)
61a / -5.6382 / 40.8 / 11.6 / 47.6 / d(Ir)+p(C^N) / 35.0 dz2 13.8 dx2-y2
4
Figure S1. Fitted Gaussian nature absorption curves of complexes 1-12 at B3LYP//LANL2DZ level.
4
Cartesian coordinates of B3LYP/LANL2DZ optimized structures of complexes 1-12
Complex 1
Center Number / Atomic Number / Coordinates (Angstroms)X / Y / Z
1 / 6 / 0.759589 / 1.015929 / 3.040148
2 / 6 / -0.759589 / -1.015929 / 3.040148
3 / 6 / 0.000000 / 0.000000 / 3.674092
4 / 1 / 0.000000 / 0.000000 / 4.758456
5 / 77 / 0.000000 / 0.000000 / 0.143336
6 / 6 / 0.765908 / 1.235935 / -1.242788
7 / 6 / -0.765908 / -1.235935 / -1.242788
8 / 6 / -1.256180 / 2.501003 / -0.716569
9 / 6 / -2.646353 / 1.318930 / 0.813732
10 / 6 / 0.000000 / 2.425887 / -1.465460
11 / 6 / 1.969663 / 1.094187 / -1.971998
12 / 6 / 1.256180 / -2.501003 / -0.716569
13 / 6 / 2.646353 / -1.318930 / 0.813732
14 / 6 / 0.000000 / -2.425887 / -1.465460
15 / 6 / -1.969663 / -1.094187 / -1.971998
16 / 6 / -2.206195 / 3.545300 / -0.769176
17 / 6 / -3.614910 / 2.326688 / 0.785834
18 / 1 / -2.762828 / 0.417766 / 1.403684
19 / 6 / 0.436906 / 3.427504 / -2.363864
20 / 6 / 2.401405 / 2.089308 / -2.867305
21 / 1 / 2.576958 / 0.201416 / -1.845282
22 / 6 / 2.206195 / -3.545300 / -0.769176
23 / 6 / 3.614910 / -2.326688 / 0.785834
24 / 1 / 2.762828 / -0.417766 / 1.403684
25 / 6 / -0.436906 / -3.427504 / -2.363864
26 / 6 / -2.401405 / -2.089308 / -2.867305
27 / 1 / -2.576958 / -0.201416 / -1.845282
28 / 6 / -3.385002 / 3.463678 / -0.018073
29 / 1 / -2.015935 / 4.407589 / -1.398740
30 / 1 / -4.519133 / 2.221148 / 1.376061
31 / 6 / 1.638841 / 3.262821 / -3.064984
32 / 1 / -0.152041 / 4.329199 / -2.521057
33 / 1 / 3.331807 / 1.953840 / -3.416362
34 / 6 / 3.385002 / -3.463678 / -0.018073
35 / 1 / 2.015935 / -4.407589 / -1.398740
36 / 1 / 4.519133 / -2.221148 / 1.376061
37 / 6 / -1.638841 / -3.262821 / -3.064984
38 / 1 / 0.152041 / -4.329199 / -2.521057
39 / 1 / -3.331807 / -1.953840 / -3.416362
40 / 1 / -4.116542 / 4.266333 / -0.058483
41 / 1 / 1.980369 / 4.028020 / -3.757938
42 / 1 / 4.116542 / -4.266333 / -0.058483
43 / 1 / -1.980369 / -4.028020 / -3.757938
44 / 8 / 0.922503 / 1.164810 / 1.754528
45 / 8 / -0.922503 / -1.164810 / 1.754528
46 / 6 / -1.475574 / -2.048712 / 3.896879
47 / 1 / -1.053419 / -3.041830 / 3.694736
48 / 1 / -1.388012 / -1.835498 / 4.966455
49 / 1 / -2.536114 / -2.089537 / 3.618854
50 / 6 / 1.475574 / 2.048712 / 3.896879
51 / 1 / 1.053419 / 3.041830 / 3.694736
52 / 1 / 1.388012 / 1.835498 / 4.966455
53 / 1 / 2.536114 / 2.089537 / 3.618854
54 / 7 / -1.496993 / 1.404945 / 0.091949
55 / 7 / 1.496993 / -1.404945 / 0.091949
Complex 2