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. 2021 Aug 13;143(33):13184–13194. doi: 10.1021/jacs.1c05184

Table 1. Summary of Lifetime Data for 2-Crypt, 3-Crypt, 5, and 7a.

complex λex (nm) λem (nm) τ1 (μs)/(%) τ2 (μs)/(%) τ3 (μs)/(%) χ2
2-cryptb 250 550 5.9 40.8 176.7 1.6
      (34) (37) (27)  
3-cryptb 280 320 3.7 24.0 186.4 1.3
      (56) (44) (29)  
  280 360 4.3 77.5 153.3 1.2
      (12) (51) (36)  
  280 492 5.2 41.2 204.1 1.0
      (11) (31) (58)  
  280 580 6.9 44.2 198.7 1.3
      (11) (36) (53)  
3-cryptc 300 420 1.7 7.1 1.2
      (47) (53)    
  300 475 1.02 8.22 1.3
      (25) (75)    
5b 230 370 109.5 1.3
      (100)      
  230 440 130.1 1.2
      (100)      
  230 550 5.2 57.4 160.5 1.0
      (1) (9) (90)  
5c 260 430 1.0 8.2 2.1
      (22) (78)    
  260 535 55.1 148.0 1.1
      (28) (72)    
  260 590 51.9 139.2 1.3
      (27) (73)    
7c 325 480 11.0 102.9 1.1
      (10) (90)    
  325 550 45.6 202.5 1.2
      (78) (32)    
a

Estimated error ± 10%.

b

Sample measured at 295 K in the solid state.

c

Sample measured at 77 K in a frozen 2-Me-thf glass.