I can kind of take a different angle on this ...
My last girl was supposedly raped not too long before she met me. Whether it's true or not, I don't know.
I can tell you that girls act in one of 2 ways when they're raped: 1) they isolate themselves and cut people off because they're frightened, or 2) they screw around a lot, get into drugs, and make their life a lot worse.
Mine, I believe, is the latter. As a result, my sexual encounter with her was unsatisfying, confusing, and hardly worth it.
Taking time away is what she needs. Just keep in mind that she has an obligation towards your feelings and needs to respect the fact that you're there worrying the entire time. How many women actually consider that fact? If they do, they have a weird way of showing it.
Give her time and space? Yes.
How much time and space? Depends on the girl.
Could be months, dude. Your best bet is to just assume she isn't going to contact you for a very long time, move on, and live your own life free of her. It might even do YOU some good to have that kind of space.
Rape is something she will NEVER get over. It's always going to be an issue in your life as long as she is with you. Are you ready for that kind of responsibility? Can you handle that kind of emotional baggage?
I don't blame her for the rape, not at all. I just know nobody is forced into penetration and goes through life the same way, like nothing ever happened. It's called PTS (Post-Traumatic Stress).
My girl finally went the way of the doe-doe. Will I see her again? Doubt it, seriously. Why? Probably because the sex I had with her was the breaking point, the verification she needed. I was just another face she tried to use to hide the rapist's as that horrible event replayed over and over again in her mind every night.
Watch for the warning signs. They're there. I missed them until it was too late.
Don't make the same mistake.