Stereochemistry of copper

Table 28.2 Oxidation states and stereochemistries of copper, silver and gold...

Table 1 Stereochemistries of copper(II) complexes of aliphatic tripodal ligands.

Table 5 Stereochemistries of copper(I) complexes of pyridine-based ligands.3...

Figure 20 The stereochemistry of copper(II). Different geometric arrangements. The lower region shows the angles involved in converting a regular tetrahedron into a flattened tetrahedron, and then into square-planar geometry. From Reference 5.

In the solid state the stereochemistry of copper(I) in its mononuclear complexes, as determined by X-ray crystallography (Figure 4.1), is dominated by four coordination. A significant number of three- and two-coordinate complexes are known, very few five-coordinate complexes exist and six coordination (or above) is unknown. This contrasts with the predominance of six coordination in the chemistry of copper(II) (see Section 53.4.2) and the absence of two or three coordination in the solid state, and with the formation of a significant number of seven- and eight-coordinate geometries.47,48... 

Triangular (a) Planar hexagonal ring (b) Puckered hexagonal ring Figure 4 Stereochemistry of copper(l) complexes... 

Table 29 The Classification of the Various Stereochemistries of Copper(II) into their Static Non Temperature Variable and Nonstatic Temperature Variable Stereochemistries...

If the pseudo-structures of copper(II), Fig. 34 are now excluded from the discussion, the genuine stereochemistries of copper(II) ion are reduced to ... 

Coleman, A. A., Hindsgaul, O., and Palcic, M. M., 1989, Stereochemistry of copper amine oxidase reactions, J. Biol. Chem. 264 19500919505. 

The oxidation states and stereochemistry of copper are summarized in Table 25-H-l. While stable copper(O) compounds are not confirmed, reactive intermediates appear to occur in some reactions. 

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