Theoretical Study on Solubility from Pt Electrocatalyst and Reactivity in Electrolyte Environment of Pt Complex in PEFC

Table 7

Pt^…O distance of three ligands (H₂O, OH⁻, and CF₃SO₃⁻) for selected Pt(IV) complexes.

	Ligand	5.0	20.0	61.0
(𝟏) [Pt(H2O)6]^4+	H2O	2.064	2.064	2.064
(𝟐) [Pt(H2O)5(OH)]^3+	H2O	2.092	2.090	2.088
	OH^−	1.990	1.992	1.994
(𝟓) [Pt(H2O)2(OH)4]	H2O	2.218	2.208	2.202
	OH^−	2.035	2.038	2.040
(𝟔) [Pt(H2O)5(CF3SO3)]^3+	H2O	2.093	2.088	2.085
	CF3SO3^−	2.038	2.039	2.042
	H2O	2.195	2.191	2.190
(𝟏𝟐) [Pt(H2O)2(OH)3(CF3SO3)]	OH^−	2.006	2.007	2.007
	CF3SO3^−	2.190	2.193	2.195