Recent content by Gogo

(After two years - maybe someone else finds it useful) You may also want to use resources from MIT OCW or NPTEL courses like solid state physics etc. Maybe that will help.

As Ben said, "Generally speaking" B would be faster. However, it should be noted that accuracy of a certain basis set truly depends on the system (molecule) you are dealing with. A larger basis set may not necessarily give more accurate results. You need to do your own tests of basis sets or...