Table 2. Unit Cell Parameters and Results of the Rietveld Refinement for AmVO₃ and AmVO₄^a.

formula unit	AmVO3	AmVO4	AmVO4 (Keller et al.(7))	AmVO4 (Goubard et al.(20))
space group	Pbnm	I41/amd	I41/amd	I41/amd
space group number	62	141	141	141
a, Å	5.4445(3)	7.2938(2)	7.31(1)	7.311(2)
b, Å	5.5914(3)	7.2938(2)	7.31(1)	7.311(2)
c, Å	7.7556(4)	6.4284(2)	6.42(1)	6.422(2)
α, °	90	90	90	90
β, °	90	90	90	90
γ, °	90	90	90	90
V, Å3	236.10(2)	341.992(10)	343	343.26
Z	4	4	4	4
M, g/mol	340.00	356.00	356.00	356.00
crystallographic density, g/cm3	9.565	6.9142	6.89	6.89
GOF	1.57	2.15
RP	0.0106	0.0154
Rwp	0.0150	0.0254
Rexp	0.0068	0.0072

^aR_p = Σ(i)[|yi(obs) – yi(calc)|]/Σ(i)[yi(obs)]; R_wp = {Σ(i)[wi(yi(obs) – yi(calc))²]/Σ(i)[wi × yi(obs)²]}^1/2; GOF = R_p/R_exp; R_exp = {Σ(i)[wi × yi(obs)²]/(n – p)}^1/2.