allergen
发表于 2025-4-1 02:15:10
In particular, chromium(III) compounds are sufficiently nonlabile so that intermediates can often be isolated and characterized, and there can be a stepwise replacement of one set of ligands by another set, with widely differing ligand field strength, without incurring a disruptive spin change.
flammable
发表于 2025-4-1 06:32:03
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Spangle
发表于 2025-4-1 12:24:05
Waiting for Godot and Happy Daysin which the shortest path from one coordination center to the next contains one, two, and three atoms, respectively. This limitation was made in order to avoid, inasmuch as possible, systems in which competition between bridging and chelation might be a problem; for a group with two donor sites can in principle function in either way.