![]() ![]() The ground state electronic configuration of Ni is Ar 3d8 4s2. The acac anion can act as a ligand towards metal ions, typically forming a bidentate complex where the. Figure 2: Acetylacetonate forms neutral complexes with most metals. Figure 1: Keto-enol equilibrium of acetylacetone and formation of acetylacetonate anion. ![]() Compound using Evans method and the Spinsolve NMR spectrometer. An introduction to the use of IR, NMR and MS instruments is available from the. ![]() Sample files in JCAMP-DX format can be found in the testdata section (some showing typical errors encountered). Examples of the combination of spectra and molecular graphics to show the interpretation of simple IR, MS or NMR using JSpecView and JSmol are available. In case of the activated aryl iodides, such as Nitro, carbonyl (Table 2. The hydroxylation of iodoben-zene went on smoothly in high yields (96%) (Table 2, entry 6). Afforded good to excellent yields (Table 2, entries 1– 11) of the corresponding products in presence of CsOH in DMSO/H 2O (1:1). 1H-NMR and 13C-NMR Spectra The 1H-NMR (DMSO-d 6) spectra of diamagnetic Pd(II) and Pt(II) complexes showed the disappearance of the signal due to the =N-NH proton, indicating the deprotonation of this group, while the signals of the other NH (NH 2) protons were observed at 10.42 and 10.44 ppm, respectively. ![]()
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