Spectrum Behavior toward Radiation and Chemical Reactions. Solutions

4 Mass Spectrum Behavior Toward Radiation and Chemical Reactions. Solutions 

Mass Spectrum. The general fragmentation behavior at 70 eV and ion abundances (in %) are shown in the following scheme [36] (explanation on p. 39)  

Ge(CeH5)4 forms a labile donor-acceptor complex with O2 in CeHi4 at 77 K. The reversible reaction involves molecular oxygen coordination to the phenyl ring. This leads to a reduction in the intensity of the emission spectrum, the process of phosphorescence quenching being predominant among other deactivation processes of triplet states. The bimolecular process obeys the Stern-Volmer equation + Kq [O2] (I and I02 are intensities of phospho- 

From combustion under 40 atm O2 in a calorimeter the following heats of combustion have been obtained AH omb = —3140.2 + 3.3 [41] and —3175.5 2 kcal/mol [44], the first value probably being most reliable for a previous much too high heat of combustion [19], see the AHf data on p. 108. 

Ge(C6H5)4 reacts with sulfur at 270°C (8 h) in a sealed tube to give Ge and S(C6H5)2- The incomplete reaction is proposed to proceed via stepwise nucleophilic cleavage of S-S bonds by carbanions which are split off from Ge(CeH5)4 under the influence of polar sulfur chains 

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