Covalent Bond Radii

1A
H –     37
3A 4A 5A 6A 7A
B –     82 C –     77
C =     67
C ≡   60 		N –     75
N =     60
N ≡   55 		O –     74
O =     60 		F –     72
Al –     118 Si –     111 P –     120 S –     102 Cl –     98
Ga –     126 Ge –     122 As –     119 Se –     117 Br –     114
In –     144 Sn –     141 Sb –     138 Te –     135 I –     134


You must determine the two halves of your covalent bond. Also pay attention as to whether the bond is single, double, or triple. Add the two halves together to get the overall bondlength (nuclei to nuclei).