| abstract |
A chlorinated oligogermane as a pure compound or mixture of compounds which each have at least one direct Ge—Ge bond, substituents of which include chlorine or chlorine and hydrogen and atom ratio for substituent:germanium is at least 2:1 in the composition thereof, wherein a) the mixture has on average a Ge:Cl ratio of 1:1 to 1:3, or the pure compound has a Ge:Cl ratio of 1:2 to 1:2.67, and b) the mixture has an average number of germanium atoms of 2 to 8. |