poten species Sr core 1.2 Ti core 2.4 O core -1.2 ends buck Sr core O core 14566.637 0.245015 81.773 0.000 15.000 Ti core O core 23707.909 0.185580 14.513 0.000 15.000 O core O core 1844.7458 0.343645 192.58 0.000 15.000 ends ends