TABLE 2.

Molybdenum K-edge energies and oxidation states

Sample	K-edge energy
	eV
Mo-MPTa	20,017.4
MogA + Mo-MPTa	20,016.2
MoeA + Mo-MPTa	20,015.2
MobA + Mo-MPTa	20,013.0
MobA + Mo-MPT + Mg-GTPa	20,012.8
Mo(VI)O5b	20,018.7
Mo(VI)S2O3b	20,016.3
Mo(V)S2O3b	20,015.1
Mo(IV)S4Ob	20,012.9

^a K-edge energies were determined from XANES spectra in Fig. 4.

^b K-edge energies were determined for molybdenum reference compounds with the indicated metal coordination.