You are supposed to leave her be unless the contact pertains to planning for the children and then the contact should be polite, decisive and swift ONLY.
You are supposed to use the time spent leaving her alone to take care of and better yourself.
Unless of course you feel there is no possible room for improvement on your part.
In which case you can just keep on doing nothing more than bitching and complaining but not one single thing will change in your sitch except that you will end up divorced.