Can these reptiles get along?

I am planning on building a huge greenhouse like cage for reptiles. I would like to put Chameleons, Frogs, and an Iguana in there. Is it possible for them to get along with eachother or will I end up missing a few pets? The cage will be about 10' long x 7' wide x 7' tall. Made of wood frame and plexigl pannels. Any information would be greatly appreciated. Thanks.