data_global _chemical_name_mineral 'Gaylussite' loop_ _publ_author_name 'Dickens B' 'Brown W E' _journal_name_full 'Inorganic Chemistry' _journal_volume 8 _journal_year 1969 _journal_page_first 2093 _journal_page_last 2103 _publ_section_title ; The crystal structures of CaNa2(CO3)2*5(H2O), synthetic gaylussite, and CaNa2(CO3)2*2(H2O), synthetic pirssonite ; _database_code_amcsd 0012679 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ca Na2 C2 O11 H10' _cell_length_a 14.361 _cell_length_b 7.781 _cell_length_c 11.209 _cell_angle_alpha 90 _cell_angle_beta 127.84 _cell_angle_gamma 90 _cell_volume 989.154 _exptl_crystal_density_diffrn 1.989 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ca 0.00000 0.19290 0.25000 ? Na 0.08810 0.18220 -0.01070 ? C 0.18530 -0.02860 0.31610 ? O1 0.28520 -0.09060 0.36330 ? O2 0.10330 0.00310 0.17490 ? O3 0.16580 0.00950 0.41130 ? Ow4 0.00000 0.67910 0.25000 ? Ow5 0.06960 0.29350 0.50290 ? Ow6 0.14670 0.40480 0.31090 ? H1 0.06000 0.60000 0.28000 0.01267 H2 0.09000 0.20000 0.57000 0.01267 H3 0.12000 0.38000 0.56000 0.01267 H4 0.21000 0.44000 0.41000 0.01267 H5 0.17000 0.41000 0.25000 0.01267 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ca 0.00747 0.01608 0.01089 0.00000 0.00519 0.00000 Na 0.01976 0.02432 0.02115 0.00076 0.01418 -0.00203 C 0.01191 0.01494 0.01495 0.00013 0.00823 0.00139 O1 0.01596 0.03648 0.02343 0.01216 0.01431 0.00849 O2 0.01355 0.02647 0.01140 0.00013 0.00557 -0.00013 O3 0.01191 0.02495 0.01254 0.00127 0.00848 0.00000 Ow4 0.02330 0.02407 0.02812 0.00000 0.01469 0.00000 Ow5 0.01824 0.02558 0.01900 0.00165 0.01051 -0.00076 Ow6 0.01419 0.03293 0.01609 -0.00595 0.00963 -0.00279