I would suggest that you do loads of species research prior to stocking this tank. I have a tank slightly larger than that and the biggest thing in there is a cory.
No cichlids or angelfish would be appropriate for this size tank. I would recommend that you look into what I call "mini" fish like ember tetras, or perhaps turn it into a red cherry shrimp tank.
75: blood parrots, featherfin cat, emperor tetras, turquoise rainbowfish, BN plecos, japanese trapdoor; 46: WCMM, gold inca snails, ghost, bamboo & amano shrimp, kuhli loaches, rummynose & ember tetras, endlers, platies, flame gourami, guppies; 16: pygmy, peppered, loxozonus corys, otos, assassins, RCS ... ~ Research PRIOR to purchase.... ~