data_global
_chemical_name_mineral 'Natromolybdite'
loop_
_publ_author_name
'Atovmyan L O'
'Dyachenko O A'
_journal_name_full 'Journal of Structural Chemistry'
_journal_volume 10 
_journal_year 1969
_journal_page_first 416
_journal_page_last 418
_publ_section_title
;
 X-ray structural investigation of Na2MoO4*2H2O crystals
;
_database_code_amcsd 0021216
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Na2 Mo O6 H4'
_cell_length_a 13.823
_cell_length_b 10.562
_cell_length_c 8.514
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1243.031
_exptl_crystal_density_diffrn      2.586
_symmetry_space_group_name_H-M 'P c a b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2-z'
  '-x,1/2-y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2+x,-y,1/2-z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Na1   0.35260   0.44900   0.74200   0.01773
Na2   0.41500   0.50400   0.33300   0.01646
Mo   0.47670   0.19830   0.51530   0.01241
O1   0.39100   0.14800   0.36100   0.02660
O2   0.45900   0.35900   0.55200   0.01267
O3   0.59600   0.17900   0.44500   0.01900
O4   0.46200   0.10600   0.67500   0.02660
Wat1   0.70100   0.40700   0.46300   0.02280
Wat2   0.29700   0.35700   0.22700   0.01773