id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cj82k645f7j	Angel Georgiev Ugrinov	Reactions of Nine-Atom Germanium Clusters in Solutions	2004		.txt	text/plain	213	10	45	The discovery of dimers of nine-atom germanium clusters, [Ge9–Ge9]6–, showed that 2-center–2-electron exo-bonds can exist between such clusters. This study revealed that these clusters can bond to each other in different modes to form larger oligomers such as trimers, [Ge9=Ge9=Ge9]6–, and tetramers,	cache/cj82k645f7j.txt	txt/cj82k645f7j.txt