The only things susceptible of mortgage are:
(1) A corporeal immovable with its component parts.
(2) A usufruct of a corporeal immovable.
(3) A servitude of right of use with the rights that the holder of the servitude may have in the buildings and other constructions on the land.
(4) The lessee's rights in a lease of an immovable with his rights in the buildings and other constructions on the immovable.
(5) Property made susceptible of conventional mortgage by special law.