If atomic mass of a molecule is zero, its center of mass is NaN

Question

If atomic mass of a molecule is zero, its center of mass is NaN

Closed this issue 3 years ago · 1 comments

Check that center of mass is not NaN when returning a molecule after constructing it?
Change center of mass function so that if the mass is zero, just the geometric center of mass is used?

Answer 1 · 2018-05-27T03:31:50.000Z

c.o.m. is [NaN, NaN, NaN] if it's an ion too. i.e. no LJ spheres but only charges