snum.metacif {
  atom_sites_solution_primary = *? difmap vecmap heavy direct geom disper isormor notdet dual other
    .type = choice
  cell_measurement_reflns_used = None
    .type = int(value_min=0)
  cell_measurement_theta_max = None
    .type = float(value_min=0.0, value_max=90.0)
  cell_measurement_theta_min = None
    .type = float(value_min=0.0, value_max=90.0)
  cell_measurement_temperature = None
    #.type = float(value_min=0.0)
    .type = str
  chemical_name_systematic = None
    .type = str
  computing_cell_refinement = None
    .type = str
  computing_data_collection = None
    .type = str
  computing_data_reduction = None
    .type = str
  computing_molecular_graphics = 'OLEX2: a complete structure solution, refinement and analysis program. Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341'
    .type = str
  computing_publication_material = 'OLEX2: a complete structure solution, refinement and analysis program. Dolomanov et al., J. Appl. Cryst. (2009). 42, 339-341'
    .type = str
  computing_structure_solution = None
    .type = str
  diffrn_ambient_temperature = None
    #.type = float(value_min=0.0)
    .type = str
  diffrn_special_details = None
    .type = str
  diffrn_measurement_device = None
    .type = str
  diffrn_measurement_device_type = None
    .type = str
  diffrn_measurement_method = None
    .type = str
  diffrn_measurement_details = None
    .type = str
  diffrn_radiation_collimation = None
    .type = str
  diffrn_radiation_filter_edge = None
    .type = float(value_min=0.0)
  diffrn_radiation_inhomogeneity = None
    .type = float(value_min=0.0)
  diffrn_radiation_monochromator = None
    .type = str
  diffrn_radiation_polarisn_norm = None
    .type = float(value_min=-180.0, value_max=180.0)
  diffrn_radiation_polarisn_ratio = None
    .type = float(value_min=0.0)
  diffrn_radiation_probe = *? x-ray neutron electron gamma
    .type = choice
  diffrn_radiation_type = None
    .type = str
  diffrn_radiation_xray_symbol = *? 'K-L~3~' 'K-L~2~' 'K-M~3~' 'K-L~2,3~'
    .type = choice
  diffrn_radiation_wavelength = None
    .type = float(value_min=0.0)
  diffrn_source = None
    .type = str
  diffrn_source_current = None
    .type = float(value_min=0.0)
  diffrn_source_power = None
    .type = float(value_min=0.0)
  diffrn_source_voltage = None
    .type = float(value_min=0.0)
  diffrn_source_target = None
    .type = str
  diffrn_source_type = None
    .type = str
#   diffrn_refln_scan_width = None
#     .type = float(value_min=0.0)
  diffrn_detector = None
    .type = str
  diffrn_detector_type = None
    .type = str
  diffrn_detector_area_resol_mean = None
    .type = float(value_min=0.0)
  diffrn_orient_matrix_UB_11 = None
    .type = float
  diffrn_orient_matrix_UB_12 = None
    .type = float
  diffrn_orient_matrix_UB_13 = None
    .type = float
  diffrn_orient_matrix_UB_21 = None
    .type = float
  diffrn_orient_matrix_UB_22 = None
    .type = float
  diffrn_orient_matrix_UB_23 = None
    .type = float
  diffrn_orient_matrix_UB_31 = None
    .type = float
  diffrn_orient_matrix_UB_32 = None
    .type = float
  diffrn_orient_matrix_UB_33 = None
    .type = float
  exptl_absorpt_correction_type = *? analytical cylinder empirical gaussian integration multi-scan none numerical psi-scan refdelf sphere
    .type = choice
  exptl_absorpt_correction_T_max = None
    .type = float(value_min=0.0, value_max=1.0)
  exptl_absorpt_correction_T_min = None
    .type = float(value_min=0.0, value_max=1.0)
  exptl_absorpt_process_details = None
    .type = str
  exptl_crystal_density_meas = None
    .type = float(value_min=0.0)
  exptl_crystal_colour = None
    .type = str
  exptl_crystal_colour_primary= *? colourless white black gray brown red pink orange yellow green blue violet
    .type = choice
  exptl_crystal_colour_lustre = *? . metallic dull clear
    .type = choice
  exptl_crystal_colour_modifier = *? . light dark whitish blackish grayish brownish reddish pinkish orangish yellowish greenish bluish
    .type = choice
  exptl_crystal_size_min = None
    .type = float(value_min=0.0)
  exptl_crystal_size_mid = None
    .type = float(value_min=0.0)
  exptl_crystal_size_max = None
    .type = float(value_min=0.0)
  exptl_crystal_description = None
    .type = str
  exptl_crystal_recrystallization_method = None
    .type = str
  exptl_crystal_preparation = None
    .type = str
  exptl_special_details = None
    .type = str
  publ_author_names = None
    .type = str
  publ_contact_letter = None
    .type = str
  publ_author_name_list = None
    .type = str
  publ_requested_journal = None
    .type = str
}