. 2015 Jul 30;5:12626. doi: 10.1038/srep12626

Table 3. Calculated stable isotope fractionation factors for Pb-bearing species relative to Pb⁰ (in per mil), including conventional mass-dependent effect (CMDE) and nuclear volume effect (NVE).

species	0 °C	25 °C	100 °C	300 °C	1000 °C	0 °C	25 °C	100 °C	300 °C	1000 °C
	CMDE fractionation factor ()					CMDE fractionation factor ()
Pb⁰	0	0	0	0	0	0	0	0	0	0
Pb²⁺	0	0	0	0	0	0	0	0	0	0
Pb⁴⁺	0	0	0	0	0	0	0	0	0	0
PbCl₄²⁻	0.12	0.10	0.06	0.03	0.01	0.24	0.20	0.13	0.05	0.01
PbBr₄²⁻	0.10	0.09	0.06	0.02	0.00	0.21	0.17	0.11	0.05	0.01
PbCl₄	0.43	0.36	0.24	0.10	0.02	0.85	0.72	0.47	0.20	0.04
	NVE fractionation factor ()					NVE fractionation factor ()
Pb⁰	0	0	0	0	0	0	0	0	0	0
Pb²⁺	−0.26	−0.24	−0.19	−0.13	−0.06	−0.66	−0.60	−0.48	−0.31	−0.14
Pb⁴⁺	1.61	1.48	1.18	0.77	0.35	4.06	3.72	2.97	1.93	0.87
PbCl₄²⁻	−0.27	−0.25	−0.20	−0.13	−0.06	−0.68	−0.62	−0.50	−0.32	−0.15
PbBr₄²⁻	−0.26	−0.24	−0.19	−0.12	−0.06	−0.65	−0.59	−0.47	−0.31	−0.14
PbCl₄	0.62	0.56	0.45	0.29	0.13	1.55	1.42	1.13	0.74	0.33
	Total fractionation factor ()					Total fractionation factor ()
Pb⁰	0	0	0	0	0	0	0	0	0	0
Pb²⁺	−0.26	−0.24	−0.19	−0.13	−0.06	−0.66	−0.60	−0.48	−0.31	−0.14
Pb⁴⁺	1.61	1.48	1.18	0.77	0.35	4.06	3.72	2.97	1.93	0.87
PbCl₄²⁻	−0.15	−0.15	−0.14	−0.10	−0.05	−0.44	−0.42	−0.37	−0.27	−0.14
PbBr₄²⁻	−0.16	−0.15	−0.13	−0.10	−0.06	−0.44	−0.42	−0.36	−0.26	−0.13
PbCl₄	1.05	0.92	0.69	0.39	0.15	2.40	2.14	1.60	0.94	0.37

Table 3. Calculated stable isotope fractionation factors for Pb-bearing species relative to Pb0 (in per mil), including conventional mass-dependent effect (CMDE) and nuclear volume effect (NVE).