Reaction steps to form mono-nuclear, bi-nuclear, and tri-nuclear complexes in DME solutions.

No.	Equation	ΔG (eV)	ΔGper DME
R1	MgCl2 + 2DME = MgCl2(DME)2	−8.62	−4.31
R2	Mg2+ + MgCl2(DME)2 + 2DME = [Mg2(μ-Cl)2(DME)4]2+	3.95	0.99
R3	MgCl2 + [Mg2(μ-Cl)2(DME)4]2+ + DME = [Mg3(μ-Cl)4(DME)5]2+	0.46	0.09
R4	Mg2+ + MgCl2 + 4DME = [Mg2(μ-Cl)2(DME)4]2+	−4.67	−1.17
R5	Mg2+ + 2MgCl2 + 5DME = [Mg3(μ-Cl)4(DME)5]2+	−4.21	−0.84