Novel Organometallic Building Blocks for Molecular Crystal Engineering. 3. Synthesis, Characterization, and Hydrogen Bonding of the Crystalline Mono- and Bis-Amide Derivatives of [CoIII(h5-C5H4-COOH)2]+ and of the Cationic Zwitterion [CoIII(h5-C5H4CONHC5H4NH)(h5-C5H4COO)]+.