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Vibrational Spectroscopy of Inorganic Coordination Compounds of Fluorine

S. Milićev ; Institute J. Stefan, Ljubljana, Slovenia

Puni tekst: engleski pdf 24.090 Kb

str. 125-135

preuzimanja: 244



Vibrational spectroscopy has been used many times in successfully elucidating the nature of chemical bonds and structures of molecules. This is fully valid for organic compounds, but in the case of some groups of inorganic compounds, like halide complexes, the results are sometimes necessarily limited by the insufficiently determined problems. This is conveniently illustrated by compounds of fluorine. The following examples are discussed here: correlations between fluorobasicity and chemical bonding with interaction force constants in AgF4~ and AuF4_ ions, the mixing modes in XeFs+ ion due to symmetry changes, high coordination number and asymmetry in UFio + ion, different linking of coordination polyhedra and different types of N2H62 + ions in the compounds or Zr and Hf, low temperature transformations like reversible hydration/dehydration of N2H6AIF5.H2O, reversible dimer-monomer transitions of (V202F6(0H2)22~, decomposition of (N2H6hTiF6.F2 through proton transfer from N2H62+ to F", and failure of simple correlations of spectra with H-bonds strength.

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