Table 1 Re-evaluation of the SAD pattern shown in Fig. 1 in ref. 8.

From: Comments on ”Evidence of the hydrogen release mechanism in bulk MgH2”

Structure

<hkl>

Re-measured dm (Å)

Tabulated dt (Å)

Deviationa (%)

Mg

<100>

—

2.78b

—

Mg

<2–10>

—

1.61b

—

α-MgH2

<10–1>

2.10

2.51

16.4

α-MgH2

<020>

2.10

2.26

7.1

α-MgH2

<12–1>

1.48

1.68

12.0

MgO

<200>

2.10

2.10

0.1

MgO

<220>

1.48

1.49

0.5

MgO

<212>

1.39

1.40

1.1

  1. The Mg diffraction spots are used for calibration. All other diffraction spots can clearly be better attributed to MgO rather than to MgH2.
  2. aThe relative deviation is calculated from |dm − dt|/dt.
  3. bThese reflections were used to calibrate the SAD pattern.
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