Advice for 1000 point army please

Hello, I’ve found some people to play my first game with and I need a 1000 point army. Would the below be good for space marines. The only one I haven’t got yet is the dreadnought

Infiltrator squad x2 Infernus squad Terminator squad Scout sqaud (with sniper) Redemptor dreadnought Heavy intercessor squad Librarian in terminator armour Captain in terminator armour