Table 1.

Unit cell parameters and results of the Rietveld refinement for Cs₂RuO₄ (crystalline powder) compared with those from single crystal¹⁴

Formula unit	Cs2RuO4
	This work	Fischer and Hoppe14
a	8.506(1) Å	8.512(1) Å
b	6.472(1) Å	6.475(1) Å
c	11.460(1) Å	11.458(2) Å
V	630.9 Å3	631.5 Å3
Space group	Pnma (N°= 62)	Pnma (N°= 62)
Z	4	4
Refined parameters	67
Rwp	4.53%
RP	3.11%
RB	7.50%
Rexp	2.13%
GOF	2.11

R_P = Σ[y_i(obs) − y_i(calc)]/Σy_i(obs); R_wp = {Σw_i[y_i(obs) − y_i(calc)]²/Σy_i(obs)}^1/2.

R_B = Σ[I_hkl(obs) − I_hkl(calc)]/ΣI_hkl(obs); GOF = R_wp/R_exp.

GOF, Goodness of the Fit.