data_global _chemical_name_mineral 'Willhendersonite' loop_ _publ_author_name 'Fischer R X' 'Kahlenberg V' 'Lengauer C L' 'Tillmanns E' _journal_name_full 'American Mineralogist' _journal_volume 93 _journal_year 2008 _journal_page_first 1317 _journal_page_last 1325 _publ_section_title ; Thermal behavior and structural transformation in the chabazite-type zeolite willhendersonite, KCaAl3Si3O12*5H2O Note: Room temperature ; _database_code_amcsd 0004627 _chemical_compound_source 'Mayen, Eifel district, Germany' _chemical_formula_sum 'K1.14 Ca.982 Al3 Si3 O17.11 H10.22' _cell_length_a 9.248 _cell_length_b 9.259 _cell_length_c 9.533 _cell_angle_alpha 92.313 _cell_angle_beta 92.761 _cell_angle_gamma 89.981 _cell_volume 814.672 _exptl_crystal_density_diffrn 2.174 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-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 K1 0.47540 0.89000 0.47120 0.23000 0.04900 K2 0.49090 0.45420 0.85340 0.50000 0.07700 K3 0.88600 0.48820 0.46130 0.41000 0.06000 Ca 0.20020 0.20080 0.20380 0.98200 0.01620 Al12a 0.34320 0.09260 0.85080 1.00000 0.01280 Al12b 0.88860 0.31300 0.09070 1.00000 0.01300 Al12c 0.09050 0.84760 0.34240 1.00000 0.01260 Si11a 0.31270 0.89420 0.10650 1.00000 0.01300 Si11b 0.10820 0.34430 0.85470 1.00000 0.01240 Si11c 0.85040 0.10350 0.33980 1.00000 0.01300 O11 0.74540 0.24430 0.98510 1.00000 0.01850 O12 0.69300 0.05650 0.26830 1.00000 0.01730 O13 0.97400 0.31570 0.73900 1.00000 0.01600 O21 0.15290 0.51250 0.84970 1.00000 0.01870 O22 0.47530 0.86170 0.16630 1.00000 0.01880 O23 0.82770 0.18780 0.49150 1.00000 0.01660 O31 0.24930 0.25050 0.81790 1.00000 0.01720 O32 0.93660 0.20990 0.23810 1.00000 0.01730 O33 0.78640 0.06410 0.76020 1.00000 0.01820 O41 0.05690 0.30440 0.01100 1.00000 0.01750 O42 0.30540 0.04380 0.02090 1.00000 0.01870 O43 0.05740 0.04100 0.63660 1.00000 0.01690 Wat1 0.22590 0.46010 0.26060 1.00000 0.03800 Wat2 0.45950 0.25050 0.23990 1.00000 0.04100 Wat3 0.22210 0.20870 0.45830 1.00000 0.03800 Wat4 0.47610 0.78400 0.44300 0.77000 0.08500 Wat5 0.76300 0.47500 0.43400 0.52000 0.07300 Wat6 0.48500 0.58400 0.43600 0.45000 0.09000 Wat7 0.56900 0.48900 0.45200 0.37000 0.14000