metal-metal bonds
Metal-metal bonds (in angstroms) in some 3d-5d metals
Ti 2.896 V 2.622 Cr 2.506 Mn 2.734 Fe 2.482 Co 2.506 Ni 2.492 Cu 2.556
Zr 3.18 Nb 2.858 Mo 2.726 Tc Ru 2.65 Rh 2.63 Pd 2.752 Ag 2.89
Hf 3.128 Ta 2.86 W 2.74 Re 2.742 Os 2.676 Ir 2.714 Pt 2.746 Au 2.884