How Is Thorium Tetrakisaminodiborane Structured?

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The discussion centers on the compound Thorium tetrakisaminodiborane, which is misrepresented in some sources as having thorium bonded to 15 hydrogen atoms. The name indicates a more complex structure that includes not only thorium and hydrogen but also boron and nitrogen. Specifically, the term 'borane' refers to BH3, and 'diborane' to B2H6, while 'aminodiborane' involves substituting NH2 for one hydrogen in diborane, leading to a structure of B2H5NH2. The full molecular structure is more intricate than simply ThH15, suggesting that the claim about thorium's bonding to 15 hydrogens is a simplification or misunderstanding that has circulated online without proper context.
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Wiki says that the thorium atom is bonded to 15 hydrogens? How does this even work? Any diagrams on the molecular structure?
 
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guysensei1 said:
Wiki says that the thorium atom is bonded to 15 hydrogens? How does this even work? Any diagrams on the molecular structure?

Parsing the name of the compound, Thorium tetrakisaminodiborane, there are more atoms in it than just thorium and hydrogen. 'Borane' let's you know to look for some boron, and 'amino' tells us that some nitrogen is in there too. 'Borane' is BH3, and 'diborane' is two of these, B2H6. 'Aminodiborane' is formed by substituting NH2 for one of the hydrogen atoms in the diborane, thus B2H5NH2. 'tetrakisaminodiborane' implies there are four aminodiboranes, so (B2H5NH2)4, which is a lot of other stuff besides just hydrogen.

Looking at a search of this compound name, I think it is some factoid about thorium being bonded to 15 hydrogens which got released onto the internet some months back and is still popping up now and then.

I can't find the full structure easily, but it's more complicated than just ThH15, which is ridiculous.
 

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