A theory should stand or fall on its own merits here. Where do you get the idea that Hydrogen-3 has three protons? If it had three protons it would be Lithium, a very different animal indeed. Your theory does not seem to allow for neutrons. In my chemistry books Hydrogen-3 has two neutrons and one proton. Where do neutrons fit into your scheme? What shape are they?

A theory should be just complex enough to explain reality, but not more complex.