Table 1 SC-XRD refinement and EDX results of GdAu6.75−xAl0.5+x.

From: 2D crystal structure and anisotropic magnetism of GdAu6.75−xAl0.5+x (x ≈ 0.54)

Parameters

GdAu6.75−xAl0.5+x

Empirical formula

Gd2Au12.43(2)Al2.07(2)

Refined composition (at.%)

Gd12.12Au75.3(1)Al12.5(1)

EDX (at.%)

Gd12.4(4)Au75.0(4)Al12.6(5)

Formula weight

2819.2

Temperature/K

293

Crystal system

orthorhombic

Space group

Pnma

a/Å

18.7847 (4)

b/Å

23.8208 (5)

c/Å

5.30100 (10)

Volume/Å3

2372.02 (8)

Z

8

ρcalc g/cm3

15.7885

μ/mm−1

89.408

F(000)

9096.0

Crystal size/mm3

0.138 × 0.097 × 0.045

Radiation

Ag Kα (λ = 0.56087)

2Θ range, data collection/°

2.7 to 49.86

Index ranges

− 28 ≤ h ≤ 28, − 35 ≤ k ≤ 35, − 7 ≤ l ≤ 7

Reflections collected

191,508

Ind. reflections [all data]

4287

Ind. reflections [I >  = 3σ (I)]

3225

Merging R indices

Rint = 0.0663, Rsigma = 0.0158

Constraint/restraint/parameter

36/ 0/ 166

Goodness-of-fit GoF

2.700

Final R indexes [I >  = 3σ (I)]

R1 = 0.0364, wR2 = 0.0552

Final R indexes [all data]

R1 = 0.0537, wR2 = 0.0585

Largest diff. peak/hole/e Å−3

6.93/− 6.85