Problem

Four MeCN solutions were made up containing AgNO3 and PPh3 in molar ratios of 1 : 1, I : 2...

Four MeCN solutions were made up containing AgNO3 and PPh3 in molar ratios of 1 : 1, I : 2, 1 : 3 and 1 : 4, respectively. ESI mass spectra (positive mode) of the solutions were recorded, and the data are tabulated below. Account for the data, including the differences between the spectra. Comment on the isotope patterns that you expect to see for each peak (see Appendix 5).

Fig. 4.36 The El mass spectrum and structure of Cr(CO)fV

Colour code: Cr, yellow; C, grey; O. red. [Dr. P. Rosel and H. Nadig are acknowledged for the data.]

Data: L.S. Bennington el al. (1999) Inorg. Chim. Ada. vol. 290. p. 213.1

	Relative intensities (%) for different ratios AgNO3 : PPh3
m/z	1 : 1	1 : 2	1 : 3	1 : 4 0
369	42	32	0`	1 : 4 0
410	100	89	0	0
633	20	100	100	100
B02	11	2	0	0
893	1	3	22	22
1064	2	4	0	0

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