! default extended atom radii based loosely ! on mike connolly's MS program- note H's are 0 atom__res_radius_ c 1.90 c sph 1.90 a 1.75 o 1.60 n 1.65 h 0.00 p 1.90 s 1.90 mg 1.86 m5 1.90 mn 1.34 ca 1.86 cu 1.25 zn 1.34 fe 1.30 lp1 0.00 lp2 0.00 q 2.50