Or if you're going to actually work it out, maybe stick to between 73 and 75 for your head tube/seat tube angles, depending on what works for your needs/preferences. Wait, is that "frame" just a placeholder basically for whatever you end up getting, or would you have something made? I'm going to assume it's just a placeholder because no one would actually want angles that slack on a bike like you've spec'd.

Edit: Actually, I'd need a seat tube that slack to be able to use an Easton no-setback carbon post (long legs). Wait, I'm getting all rambley and sleep deprived. Go to bed, Mike.