P2i4
P2I4 has 38 electrons to consider. Each of the iodine atoms has three isolated pairs. Each psiprous atom has only one pair. Each atom has a regular charge.
Me me
.. \ ........ /
. : P Â'P:
.. / ........
Me me
The following will also work:
Me me
.. \ ........... /
... pp
.. / ........
Me me
Of course it violates the byte principle, but after seconds it doesn't matter much. The formal charge of all atoms is e.