C 1.8 0.5 0.5 0.5 N 1.8 0 0 1 O 1.5 1 0 0 S 1.85 1 1 0 H 1.0 1 1 1 P 1.9 1 0.5 0 F 1.35 0 1 0 CL 1.8 0 1 0 BR 1.95 0 1 0 I 2.15 0 1 0 B 1.8 0.5 0 0 FE 0.64 0.5 0 0 CU 1.28 0.5 0 0 ZN 1.38 0.5 0 0