data_global _chemical_name_mineral 'Donnayite-(Y)' loop_ _publ_author_name 'Tjy C T L' 'Pobedimskaya E A' 'Nadezhina T N' 'Khomyakov A P' _journal_name_full 'Moscow University Geology Bulletin' _journal_volume 47 _journal_year 1992 _journal_page_first 60 _journal_page_last 70 _publ_section_title ; Polymorphism of donnayite (Na,TR)Sr(CO3)2*H2O ; _database_code_amcsd 0018481 _chemical_compound_source 'Khibiny alkaline massif' _chemical_formula_sum 'Na.4 Y.26 Ce.2 La.1 Nd.05 Dy.03 Gd.02 Pr.01 Er.01 Yb.01 Sr.73 Ca.15 Ba.03 C2 O7 H2' _cell_length_a 8.983 _cell_length_b 8.985 _cell_length_c 6.780 _cell_angle_alpha 116.25 _cell_angle_beta 102.76 _cell_angle_gamma 60.00 _cell_volume 425.041 _exptl_crystal_density_diffrn 3.591 _symmetry_space_group_name_H-M 'P 1' loop_ _space_group_symop_operation_xyz 'x,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv NaA1 0.00000 0.00000 0.00000 0.31000 0.01026 NaA2 0.32320 0.33460 -0.00660 0.31000 0.01089 NaA3 0.66300 0.66300 -0.00600 0.31000 0.01267 YA1 0.00000 0.00000 0.00000 0.26000 0.01026 YA2 0.32320 0.33460 -0.00660 0.26000 0.01089 YA3 0.66300 0.66300 -0.00600 0.26000 0.01267 CeA1 0.00000 0.00000 0.00000 0.20000 0.01026 CeA2 0.32320 0.33460 -0.00660 0.20000 0.01089 CeA3 0.66300 0.66300 -0.00600 0.20000 0.01267 LaA1 0.00000 0.00000 0.00000 0.10000 0.01026 LaA2 0.32320 0.33460 -0.00660 0.10000 0.01089 LaA3 0.66300 0.66300 -0.00600 0.10000 0.01267 NdA1 0.00000 0.00000 0.00000 0.05000 0.01026 NdA2 0.32320 0.33460 -0.00660 0.05000 0.01089 NdA3 0.66300 0.66300 -0.00600 0.05000 0.01267 DyA1 0.00000 0.00000 0.00000 0.03000 0.01026 DyA2 0.32320 0.33460 -0.00660 0.03000 0.01089 DyA3 0.66300 0.66300 -0.00600 0.03000 0.01267 GdA1 0.00000 0.00000 0.00000 0.02000 0.01026 GdA2 0.32320 0.33460 -0.00660 0.02000 0.01089 GdA3 0.66300 0.66300 -0.00600 0.02000 0.01267 PrA1 0.00000 0.00000 0.00000 0.01000 0.01026 PrA2 0.32320 0.33460 -0.00660 0.01000 0.01089 PrA3 0.66300 0.66300 -0.00600 0.01000 0.01267 ErA1 0.00000 0.00000 0.00000 0.01000 0.01026 ErA2 0.32320 0.33460 -0.00660 0.01000 0.01089 ErA3 0.66300 0.66300 -0.00600 0.01000 0.01267 YbA1 0.00000 0.00000 0.00000 0.01000 0.01026 YbA2 0.32320 0.33460 -0.00660 0.01000 0.01089 YbA3 0.66300 0.66300 -0.00600 0.01000 0.01267 Sr1 0.66080 0.46270 0.37710 0.73000 0.01267 Sr2 -0.00860 0.79110 0.37100 0.73000 0.01267 Sr3 0.32770 0.12500 0.37690 0.73000 0.01267 Ca1 0.66080 0.46270 0.37710 0.15000 0.01267 Ca2 -0.00860 0.79110 0.37100 0.15000 0.01267 Ca3 0.32770 0.12500 0.37690 0.15000 0.01267 Na1 0.66080 0.46270 0.37710 0.09000 0.01267 Na2 -0.00860 0.79110 0.37100 0.09000 0.01267 Na3 0.32770 0.12500 0.37690 0.09000 0.01267 Ba1 0.66080 0.46270 0.37710 0.03000 0.01267 Ba2 -0.00860 0.79110 0.37100 0.03000 0.01267 Ba3 0.32770 0.12500 0.37690 0.03000 0.01267 C1 -0.00300 0.41700 0.24600 1.00000 0.00253 C2 0.66600 0.07200 0.25300 1.00000 0.01393 C3 0.32600 0.77900 0.26900 1.00000 0.02153 C4 0.55600 0.37800 0.78200 1.00000 0.03546 C5 0.43700 0.93100 0.79500 1.00000 0.03293 C6 -0.00100 0.48700 0.78500 1.00000 0.02786 O1 -0.00100 0.28100 0.28800 1.00000 0.02533 O2 0.15000 0.42400 0.28400 1.00000 0.01773 O3 0.84600 0.55600 0.23400 1.00000 0.01520 O4 0.67700 0.93200 0.23100 1.00000 0.01900 O5 0.80600 0.08000 0.23600 1.00000 0.00380 O6 0.52500 0.22800 0.26200 1.00000 0.01013 O7 0.32400 0.61400 0.25100 1.00000 0.00253 O8 0.46800 0.75800 0.25400 1.00000 0.01900 O9 0.19600 0.90600 0.26200 1.00000 0.03420 O10 0.51400 0.23900 0.71300 1.00000 0.04179 O11 0.50800 0.52500 0.72100 1.00000 0.03420 O12 0.66700 0.37400 0.96300 1.00000 0.02280 O13 0.33400 0.05700 0.71200 1.00000 0.05193 O14 0.61200 0.77700 0.71100 1.00000 0.03546 O15 0.38700 0.93300 0.96000 1.00000 0.02786 O16 0.87400 0.41400 0.71000 1.00000 0.03040 O17 0.14200 0.42900 0.70900 1.00000 0.03800 O18 0.93600 0.66000 0.95700 1.00000 0.02660 Wat19 0.15200 0.70100 0.70100 1.00000 0.03673 Wat20 0.03700 0.06600 0.71200 1.00000 0.04053 Wat21 0.78600 0.95200 0.71000 1.00000 0.03673