data_global _chemical_name_mineral 'Paranatrolite' loop_ _publ_author_name 'Seryotkin Y V' 'Bakakin V V' 'Belitsky I A' _journal_name_full 'European Journal of Mineralogy' _journal_volume 16 _journal_year 2004 _journal_page_first 545 _journal_page_last 550 _publ_section_title ; The crystal structure of paranatrolite ; _database_code_amcsd 0007077 _chemical_formula_sum 'Na1.95 K.229 (Si2.75 Al2.25) O13.021 H6.04' _cell_length_a 18.971 _cell_length_b 19.204 _cell_length_c 6.5952 _cell_angle_alpha 90 _cell_angle_beta 91.601 _cell_angle_gamma 90 _cell_volume 2401.819 _exptl_crystal_density_diffrn 2.246 _symmetry_space_group_name_H-M 'F 1 d 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' '1/4+x,1/4-y,1/4+z' '1/4+x,3/4-y,3/4+z' '3/4+x,1/4-y,3/4+z' '3/4+x,3/4-y,1/4+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 Na1 -0.02490 0.21593 0.40350 0.97300 0.02810 Na10 0.03054 0.27995 0.87920 0.97700 0.03190 K 0.12970 0.37990 0.37800 0.22900 0.03340 SiT1 0.00000 0.00342 0.00000 0.59000 0.00930 AlT1 0.00000 0.00342 0.00000 0.41000 0.00930 SiT21 -0.08739 0.04280 0.37110 0.60000 0.00990 AlT21 -0.08739 0.04280 0.37110 0.40000 0.00990 SiT22 0.09389 -0.04350 0.38780 0.60000 0.00870 AlT22 0.09389 -0.04350 0.38780 0.40000 0.00870 AlT23 0.04920 0.08768 0.62380 0.51000 0.00970 SiT23 0.04920 0.08768 0.62380 0.49000 0.00970 AlT24 -0.03967 -0.08993 0.61330 0.53000 0.00970 SiT24 -0.03967 -0.08993 0.61330 0.47000 0.00970 O1 0.02360 0.07177 0.86270 1.00000 0.01920 O10 -0.01900 -0.06543 0.85470 1.00000 0.01890 O2 0.08596 0.16672 0.62470 1.00000 0.01540 O20 -0.07726 -0.16908 0.61940 1.00000 0.01520 O3 0.10458 0.02504 0.54210 1.00000 0.01770 O30 -0.09452 -0.03133 0.50270 1.00000 0.02070 O4 -0.02269 0.09221 0.46860 1.00000 0.02260 O40 0.03522 -0.09895 0.48190 1.00000 0.01970 O5 -0.07142 0.02389 0.12890 1.00000 0.01870 O50 0.06725 -0.01674 0.15820 1.00000 0.01910 Ow6 0.05730 0.19690 0.13320 0.98000 0.03040 H61 0.09800 0.20000 0.19900 0.98000 0.03200 H62 0.04400 0.15700 0.09600 0.98000 0.06000 Ow60 -0.04820 0.31840 0.60800 0.35900 0.04800 H601 -0.07600 0.28100 0.66700 0.36000 ? H602 -0.06400 0.33500 0.47400 0.36000 0.03000 Ow7 0.03320 0.31680 0.51660 0.68500 0.04600 H71 0.08100 0.32600 0.49900 0.68000 0.00300 H72 0.00300 0.36100 0.49000 0.68000 0.13000 Ow70 -0.06160 0.20330 0.77640 0.99700 0.05200 H701 -0.08600 0.16600 0.70400 1.00000 0.22000 H702 -0.06100 0.19700 0.92200 1.00000 0.03200