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Fragmentation of ligands and stability of inorganic skeletons in the mass spectra of polynuclear beryllium and zinc complexes
Author(s) -
Sipachev Viktor A.,
Nekrasov Yurii S.
Publication year - 1988
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210231203
Subject(s) - beryllium , chemistry , fragmentation (computing) , zinc , spectral line , ion , ligand (biochemistry) , mass spectrum , crystallography , inorganic chemistry , computational chemistry , stereochemistry , organic chemistry , physics , receptor , biochemistry , astronomy , computer science , operating system
Electron impact induced fragmentations of 12 beryllium and zinc μ 4 ‐oxohexa‐μ‐acido and μ 4 ‐oxopenta‐μ‐acido‐μ‐alkoxo complexes containing carboxylato, fluoro‐ and chloroacetato, alkoxo and nitrato groups as ligands are discussed. The spectra are interpreted in terms of a model of weakly interacting fragments. It is demonstrated that in the systems under consideration, structural rather than electronic factors play the determining role in the stabilization of fragment ions. All the spectra are dominated by terra‐ and trinuclear complex cations containing OM 4 and OM 3 (M = Be, Zn) units, respectively. Their relative abundances correlate with the number of ligand vibrational degrees of freedom, being independent of ligand electronic characteristics.