Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle. Inorganic Chemistry, (44)16:5798--5804, 2005. [PUMA: anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure]