Table 4. Refined f′′ values for ions present in LMO4 (four zinc ions), thermolysin (one zinc and three calcium ions) and NaK2K (four potassium ions).

Structure	LMO4			Thermolysin		NaK2K
Anomalous scatterer	Zn			Zn	Ca	K
Wavelength (Å)	1.2853	1.2874	1.3051	3.0685	3.0685	3.3500
Measured (or theoretical) f′′ (e−)	5.2	1.0	0.5	2.3†	8.5	3.9†
Refined f′′ (e−)	5.3	0.9	0.7	1.5	9.9	4.9
	5.1	0.9	0.5		9.2	4.9
	4.5	1.1	0.8		9.5	5.1
	4.7	1.0	0.5			5.3

^†Theoretical f′′ values.