parameter in D2O
-
1H NMR 300 MHz C12 H12 N2 0.1 M in D2O 6,7-dihydrodipyrido(1,2-a:2',1'-c)pyrazinediium 
Parameter ppm Hz
D(A) 8.980 D(B) 8.895 D(C) 8.353 D(D) 9.193 J(A,B) 8.2 J(A,C) 1.9 J(A,D) 0.9 J(B,C) 7.5 J(B,D) 1.5 J(C,D) 6.0 D(E) 5.35 CALDER,I.C. ET AL. AUST.J.CHEM. 20, 1195 (1967)
Hz ppm Int.2762.13 9.207 78 2761.15 9.204 100 2760.76 9.203 101 2759.82 9.199 83 2756.10 9.187 83 2755.16 9.184 106 2754.77 9.183 106 2753.83 9.179 86 2700.23 9.001 52 2699.33 8.998 57 2698.21 8.994 62 2697.31 8.991 57 2692.04 8.973 104 2691.14 8.970 110 2689.98 8.967 112 2689.15 8.964 101 2676.46 8.922 89 2675.01 8.917 87 2669.10 8.897 102 2667.62 8.892 109 2660.87 8.870 53 2659.43 8.865 51 2513.48 8.378 71 2511.46 8.372 71 2507.46 8.358 75 2506.05 8.353 91 2505.51 8.352 92 2504.10 8.347 71 2500.10 8.334 63 2498.12 8.327 61 1605.02 5.350 1000
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