Di-μ-carbonyl-dicarbonylbis[(2-hydroxyethyl)-η5-cyclopentadienyl]diiron(Fe-Fe)

Crystal Engineering and Organometallic Architecture

“…These packing motifs are often maintained in crystals of organometallic complexes as shown in Figure . For example, the basic packing motif in crystalline [(η 3 -C 7 H 10 OH)(η 5 -C 5 H 5 )Mo(CO) 2 ] is a tetramer (Figure a) while a hydrogen bonded hexameric unit is present in crystalline [(η 5 -C 5 H 4 C 2 H 4 OH) 2 Fe 2 (CO) 4 ] (Figure b) 8 Packing motifs in crystalline transition metal complexes carrying hydroxyl groups: (a) four molecules forming a tetrameric ring in crystalline [(η 3 -C 7 H 10 OH)(η 5 -C 5 H 5 )Mo(CO) 2 ] and (b) the hexameric unit present in crystalline [(η 5 -C 5 H 4 C 2 H 4 OH) 2 Fe 2 (CO) 4 ].…”