CHEM 4701 Lecture Notes - Lecture 16: Metropolitan University (Puerto Rico), Square Planar Molecular Geometry, Inta
Document Summary
Quiz 3 on wed: topic 6 up to (not including) vibrational spectroscopy octahedral, squre planar, tetrahedral know diagram distorting oh to d4h when break degeneracy, stretch out axially if take it to extreme, end up w/ square planar. D4h to td (tetrahedral) figure 16. 3 bottom td orbital is dx^2-y^2, then dz^2, then dxy, yz, and xz. Tetrahedral complexes ml4 need to know this small. No matter what, tetrahedral complexes are always high spin why is delta t so small, smaller than delta o in octahedral, orbitals are pointing right at each otherin tetrahedral, less overlap --> destabilize antibonding less. Delta t is small b/c overlap btwn lgo & metal d orbitals is smaller. What geometry are cu(i) ml4 and cu(ii) ml4 going to have (not octahedral) Cu(ii) has 9 d electrons neither are octahedraleither square planar or tetrahedrallooking for highest symmetry possible, 1st try tetrahedral.
