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S1
Electronic Supplementary Information (ESI)
Synthesis, structure, and photophysical properties of copper(I)
triphenylphosphine complexes with functionalized 3-(2′-pyrimidinyl)-
MR spectra of 2 in DMMSO-d6 fromm 298 K to 3358 K.
Fig. S13 Variable-temperrature 31P N
S9
NMR spectraa of 4 in CDD2Cl2 from 2298 K to 2118 K.
Fig. S14
Fig. S15
S10
ESI-MS of
ESI-MS of
f complex 1
f complex 2
.
.
Fig. S16
Fig. S17
S11
ESI-MS of
ESI-MS of
f complex 3
f complex 4
Fig. S1
Fig. S
18 TGA cu
S19 The P
S12
urves of com
PXRD patte
mplexes 1‒
ern of comp
4 in N2.
plex 1.
Fig. S
Fig. S
S20 The P
S21 The P
S13
PXRD patte
PXRD patte
ern of comp
ern of comp
plex 2.
plex 3.
Fig. S
S22 The P
S14
PXRD patteern of compplex 4.
S15
4
3
2
1
HOMO LUMO
Fig. S23 Plots of the frontier molecular orbitals involved in the lowest triplet excited state of complexes 1‒4 based on the T1-optimized structure in CH2Cl2 media calculated by TD-DFT method at the PBE1PBE level (isovalue = 0.02).
S16
Fig. S24 IR spectrum of complex 1.
Fig. S25 IR spectrum of complex 2.
3852.68
3734.92
3431.86
2925.12
1645.74
1570.18
1433.26
1092.11
807.37
748.74
697.17
622.45
510.78
500100015002000250030003500
Wavenumber cm-1
80
85
90
95
100
Transmittance [%]
3852.20
3731.72
3442.51
3055.01
2924.37
2359.02
1634.06
1577.74
1476.86
1434.32
1386.98
1310.42
1100.23
1017.73
808.05
746.04
696.35
622.91
513.06
500100015002000250030003500
Wavenumber cm-1
92
94
96
98
100
Transmittance [%]
S17
Fig. S26 IR spectrum of complex 3.
Fig. S27 IR spectrum of complex 4.
3739
.72
3432
.56
3062
.64
2926
.61
1638
.67
1571
.90
1518
.16
1476
.05
1434
.80
1389
.31
1267
.92
1099
.20
1010
.21
815.
4074
6.99
696.
8262
6.16
511.
94
500100015002000250030003500Wavenumber cm-1
7580
8590
9510
0Tr
ansm
ittan
ce [%
]
3432.49
3056.94
1640.31
1571.55
1475.99
1433.65
1390.27
1178.58
1091.84
1016.02
809.71
746.00
695.72
621.53
512.08
500100015002000250030003500
Wavenumber cm-1
70
75
80
85
90
95
100
Transmittance [%]
S18
Fig. S28 IR spectrum of complex 1a.
Fig. S29 IR spectrum of complex 1b.
3852.34
3739.44
3442.58
3056.72
2965.38
2920.12
2362.65
1837.37
1741.47
1634.75
1570.62
1473.80
1434.96
1387.39
1311.51
1219.41
1082.89
823.55
748.24
697.37
513.58
500100015002000250030003500
Wavenumber cm-1
80
85
90
95
100
Transmittance [%]
3852.70
3437.17
3058.23
2970.54
1970.46
1897.25
1823.18
1629.36
1574.23
1531.18
1477.02
1435.34
1389.71
1310.18
1268.46
1218.98
1095.71
1030.28
846.72
746.97
697.43
642.82
559.22
512.20
434.95
500100015002000250030003500
Wavenumber cm-1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Absorbance Units
S19
Table S1 Partial molecular orbital compositions (%) by SCPA approach (C-squared population analysis proposed by Ros and Schuit) for 1‒4 based on the S0-optimized structures in CH2Cl2 media calculated by TD-DFT method at the PBE1PBE level Orbital Energy
(eV) HOMO-LUMO
Gap (eV) MO Contribution (%)
Cu P Ph bpmtzH or fpmtzH 1 HOMO
LUMO -6.50 -2.06
4.44 35.12 0.76
19.68 0.00
41.27 1.51
3.93 97.73
2 HOMO LUMO
-6.75 -2.85
3.90 31.97 1.51
18.21 0.62
45.89 1.66
3.93 96.21
3 HOMO LUMO
-6.56 -2.67
3.89 32.35 0.96
18.69 0.23
46.16 0.87
2.80 97.94
4 HOMO LUMO
-6.30 -2.03
4.27 36.80 1.40
20.22 0.39
36.67 3.17
6.31 95.04
Table S2 Partial molecular orbital compositions (%) by SCPA approach (C-squared population analysis proposed by Ros and Schuit) for 1–4 based on the T1-optimized structures in CH2Cl2 media calculated by TD-DFT method at the PBE1PBE level Orbital Energy
(eV) HOMO-LUMO
Gap (eV) MO Contribution (%) Cu P Ph bpmtzH or fpmtzH