{
  "structure": "grating",
  "coordinate": "xz",
  "resonant_wavelength": 4.26,
  "grating_material": "Sn3Y1_mp_4296899770",
  "periodicity": 4.255,
  "width": 1.797,
  "height": 0.174,
  "absorption_peak_intensity": 0.979,
  "fwhm": 0.017,
  "software": "rsoft_diffractmod"
}