Journal of Spectroscopy

Research Article

1H, 13C, and 15N NMR Studies of Au(III) and Pd(II) Chloride Complexes and Organometallics with 2-Acetylpyridine and 2-Benzoylpyridine

Table 1

1H chemical and coordination/protonation shifts (in parentheses) for Au(III) and Pd(II) chloride complexes, organometallics, and salts with 2apy or 2bz′py.
CompoundH(3)H(4)H(5)H(6)H(2′)H(3′)H(4′)H(5′)H(6′)C
2ap 7.937.987.648.71      2.62
[Au(2apy*)Cl2 8.108.558.179.63      3.72
(+0.17)(+0.57)(+0.53)(+0.92)     (+1.10)
2bz′p 8.037.897.458.718.057.487.58as H(3′)as H(2′) 
2bz′p 8.037.927.498.708.047.507.61 
2bz′p 7.988.007.578.688.017.517.63 
2bz′p 8.008.087.678.737.977.557.69 
[Au(2bz′py)Cl3 7.968.277.919.107.867.567.72as H(3′)as H(2′) 
(−0.07)(+0.38)(+0.46)(+0.39)(−0.19)(+0.08)(+0.14) 
[Au(2bz′py)Cl3 8.258.448.019.037.987.607.74 
(+0.22)(+0.52)(+0.52)(+0.33)(−0.06)(+0.10)(+0.13) 
[Au(2bz′py)Cl3 8.378.708.238.907.957.607.84 
(+0.39)(+0.70)(+0.66)(+0.22)(−0.06)(+0.09)(+0.21) 
trans-Pd(2bz′py)2Cl2 7.627.837.338.278.007.577.67as H(3′)as H(2′) 
(−0.41)(−0.06)(−0.12)(−0.44)(−0.05)(+0.09)(+0.04)  
trans-Pd(2bz′py)2Cl2 7.637.907.388.237.967.607.73
(−0.40)(−0.02)(−0.11)(−0.47)(−0.08)(+0.10)(+0.12)
trans-Pd(2bz′py)2Cl2 7.678.017.508.267.907.617.77 
(−0.31)(+0.01)(−0.07)(−0.42)(−0.11)(+0.10)(+0.14) 
[Au(2bz′py*)Cl2 8.368.377.899.58 7.887.477.457.77 
(+0.33)(+0.45)(+0.40)(+0.88) (+0.38)(−0.14)(−0.05)(−0.27) 
[Au(2bz′py*)Cl2 8.328.437.939.49no proton7.847.467.467.74 
(+0.34)(+0.43)(+0.36)(+0.81)(+0.33)(−0.17)(−0.05)(−0.27) 
[Au(2bz′py*)Cl2 8.378.568.099.48 7.777.49 7.477.69 
(+0.37)(+0.48)(+0.42)(+0.75) (+0.22) (−0.20) (−0.08)(−0.28) 
(2bz′pyH)[AuCl4 8.358.698.228.897.937.647.80   
(+0.37)(+0.69)(+0.65)(+0.21)(−0.08)(+0.13)(+0.17)   
Literature data for a[Au(2apy*)Cl2] in DMSO-d6: 9.62, 8.55, 8.17, 8.08, 3.72 ppm (unassigned) [8] and b[Au(2bz′py*)Cl2] in DMSO-d6: 9.48-H(6), 8.56-H(4), 8.37-H(3), 8.09-H(5), 2 × 7.65–7.73, 2 × 7.40–7.55 ppm (unassigned) [1]; 9.47, 8.54, 8.36, 8.09,
2 × 7.66–7.76, 2 × 7.42–7.50 ppm (unassigned) [9].