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MassMS-NW-1380 2-pyridinecarboxylic acid C6H5NO2 (Mass of molecular ion: 123)
Source Temperature: 260 °C Sample Temperature: 180 °C Reservoir, 75 eV
18.0 1.5 26.0 7.5 27.0 7.3 28.0 5.5 36.0 1.2 37.0 2.5 38.0 4.1 38.5 1.2 39.0 8.7 44.0 17.3 45.0 3.4 49.0 3.8 50.0 17.1 51.0 39.0 52.0 58.4 53.0 7.5 75.0 2.4 76.0 3.1 77.0 2.9 78.0 38.8 79.0 100.0 80.0 6.0 106.0 1.3
parameter in DMSO-d6
400 MHz in DMSO-d6
in CDCl3
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1H NMR 300 MHz C6 H5 N O2 30 % in DMSO 2-pyridinecarboxylic acid 
Parameter ppm Hz
D(A) 9.01 D(B) 7.86 D(C) 8.18 D(D) 8.35 J(A,B) 5.0 J(A,C) 2.0 J(A,D) 1.0 J(B,C) 8.0 J(B,D) 1.0 J(C,D) 8.0 D(E) 12.11 BRUEGEL,W. Z.ELEKTROCHEM.BER.BUNSENGES.PHYS.CHEM. 66, 159 (1962)
Hz ppm Int.3633.01 12.110 1000 2706.98 9.023 162 2706.02 9.020 185 2705.07 9.017 189 2704.11 9.014 175 2702.01 9.007 175 2701.02 9.003 191 2700.06 9.000 191 2699.11 8.997 170 2509.34 8.364 254 2508.39 8.361 158 2502.23 8.341 218 2501.35 8.338 346 2500.40 8.335 211 2462.81 8.209 146 2460.86 8.203 145 2454.86 8.183 268 2452.88 8.176 264 2446.88 8.156 128 2444.93 8.150 125 2364.83 7.883 167 2363.79 7.879 167 2359.78 7.866 170 2358.83 7.863 172 2356.84 7.856 155 2355.89 7.853 148 2351.87 7.840 139 2350.84 7.836 137
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1H NMR 399.65 MHz C6 H5 N O2 0.040 g : 0.5 ml DMSO-d6 2-pyridinecarboxylic acid Assign. Shift(ppm)
A 8.756 B 8.101 C 8.029 D 7.666
Hz ppm Int.3502.69 8.765 612 3501.95 8.763 628 3500.98 8.761 567 3498.78 8.755 524 3498.05 8.753 618 3497.07 8.751 608 3496.34 8.749 543 3243.65 8.117 378 3242.68 8.114 600 3241.46 8.111 462 3235.84 8.097 656 3234.86 8.095 1000 3233.89 8.092 727 3216.80 8.050 496 3215.09 8.045 513 3209.23 8.031 743 3207.52 8.026 765 3201.42 8.011 335 3199.71 8.007 347 3070.56 7.684 425 3069.34 7.681 487 3065.92 7.672 447 3064.70 7.669 511 3063.23 7.665 475 3062.01 7.662 441 3058.35 7.653 394 3057.13 7.650 414
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1HNMR (400 MHz, CDCl3) δ 8.83 (d, J = 4.68 Hz, 1H), 8.32 (d, J = 7.76 Hz, 1H), 8.04 (td, J = 7.72, 1.64 Hz, 1H), 7.76(m, 1H), 7.31(s, 1H);
in CDCl3
in DMSO-d6
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13CNMR (100MHz, CDCl3) δ 164.69, 148.10, 146.70, 138.60, 127.83, 124.26.
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KBr disc
nujol mull
UV IRRAD. OF NA SALT IN H2O RICH MIXED SOLV.
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