Monochloride complex

The metallocene dichloride of zirconium and hafnium 20b and 20c were also prepared and underwent reduction with potassium to give monomeric metallocene monochloride complexes 21b and 21c (Eq. 8) [39b]. The structure of the zirconocene complex 21 b in the crystal showed a conformation which suggests a less steric strain as compared to 21a due to zirconium s larger atomic size. As a consequence of the coordinative unsaturation an unusually short Zr —Cl bond length was found. 

When free iodine forms during the course of a titration, even though a reducing agent is present, it can be regarded as resulting from the further reduction of the iodine monochloride complex ... 

ICI2- -f 2e" I2 + 4Cr E° = 1.06 V (20-4) When all the reducing agent has been consumed, the free iodine is titrated to form the iodine monochloride complex ... 

The trivalent transplutonium halides have been extensively studied. Several reviews deal specifically with actinide halides. " In aqueous solution the mono- and bis-complexes have been characterized, with the formation of the latter decreasing down the halide series. For example, AmF and AmF2" have been studied, but only a very weak monochloride complex AmCP has been reported. These species are reported to have coordination numbers as high as 11, although recent EXAFS studies show that the hydration number decreases with increasing halide concentration (and ionic strength) at concentrations below which the halo complexes form. These data suggest the coordination numbers of the mixed aquo halo complexes are probably seven to ten. 

Furthermore, using low Fe/MAO ratios, it has been shown that the activation reaction of la by MAO does not reach completion, with a cationic monochloride complex [2,6- (2,6- Pr2QH3)N=CMe 2C5H3N]FeCl being the only species observed. 

C Pentamethylenetetrazole - iodine monochloride complex (photographic data)... 

The order of stability of the complexes as the halogen is changed is IGl > IBr > I2, and as the base is changed, 2-picoline > pyridine > 2,6-lutidinei23. Gharge-transfer bands have been observed in the spectra of dilute solutions of iodine and pyridine in heptane 24 and also in the spectra of the pyridine iodine monochloride complex s ... 

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