At 293K: (1) T1: Exponential data analysis: peak T1 error 1 0.6497 0.04611 peak number 1 T1 = 0.65 error = 0.0461 time observed calculated difference 1.5 20 19.3 0.742 0.1 80.2 78.2 1.96 0.6 42.1 42.4 -0.279 0.4 52.1 53.6 -1.42 2 13.6 15.1 -1.53 1 29.8 28.2 1.62 1.7 17.1 17.2 -0.0876 0.8 35.3 34.2 1.03 0.2 67.8 68.7 -0.931 0.3 59.4 60.6 -1.14 (2) T2: Exponential data analysis: peak T2 error 1 0.03817 0.002449 peak number 1 T2 = 0.0382 error = 0.00245 time observed calculated difference 0.11 20 17.3 2.74 0.25 3.48 7.29 -3.81 0.03 83.3 90.3 -6.95 0.21 6.62 7.77 -1.15 0.07 40.2 36.2 4 0.17 9.5 9.15 0.341 0.01 151 148 3.1 0.05 56.7 56.3 0.355 0.09 24.5 24.3 0.174 0.13 14.7 13.1 1.59 (3) tc is estimated as 12.8 +/- 0.7ns. At 298K: (1) T1: nential data analysis: peak T1 error 1 0.6598 0.04504 peak number 1 T1 = 0.66 error = 0.045 time observed calculated difference 1.5 20 19.2 0.779 0.1 89.9 87.5 2.39 0.6 46.4 46.3 0.121 0.4 58 59.1 -1.2 2 12.8 14.3 -1.48 1 31.3 29.8 1.59 1.7 16.6 16.8 -0.215 0.8 37.7 36.8 0.936 0.2 75.2 76.6 -1.33 0.3 65.6 67.2 -1.64 (2) T2: Exponential data analysis: peak T2 error 1 0.04049 0.001668 peak number 1 T2 = 0.0405 error = 0.00167 time observed calculated difference 0.11 20 19.1 0.939 0.25 5.64 7.5 -1.87 0.03 89.1 93.2 -4.16 0.21 6.39 8.14 -1.75 0.07 41.6 39.2 2.46 0.17 10.2 9.84 0.315 0.01 150 148 2.09 0.05 58.7 59.7 -0.991 0.09 28.3 26.7 1.58 0.13 16 14.4 1.59 (3) tc is estimated as 12.5 +/- 0.5ns.