data_9009890 _chemical_name '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 Locality: 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 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _symmetry_equiv_pos_as_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_Uiso_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