New π-complexes of pentacarbonyliron(0) and hexacarbonyltungsten(0) containing η 2-coordinated cyclopropenone molecules were synthesized. The geometric, electronic structure, and energy parameters of the coordinated cyclic ...

© The authors. The relevance of this problem study is due to the fact that main disadvantage of many manuals and textbooks in teachers training high schools is the lack of definition and solution of civic education problems, ...