data_global _chemical_name_mineral 'Analcime' loop_ _publ_author_name 'Likhachieva A Y' 'Rashchenko S V' 'Seryotkin Y V' _journal_name_full 'Mineralogical Magazine' _journal_volume 76 _journal_year 2012 _journal_page_first 129 _journal_page_last 142 _publ_section_title ; The deformation mechanism of a pressure-induced phase transition in dehydrated analcime Note: dehydrated, P = 0 GPa ; _database_code_amcsd 0018999 _chemical_compound_source 'Nidym River, East Siberia, Russia' _chemical_formula_sum 'Na (Al Si2) O6' _cell_length_a 13.7249 _cell_length_b 13.5270 _cell_length_c 13.6938 _cell_angle_alpha 90 _cell_angle_beta 90.18 _cell_angle_gamma 90 _cell_volume 2542.334 _exptl_crystal_density_diffrn 2.112 _symmetry_space_group_name_H-M 'I 1 2/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2-x,y,-z' '-x,1/2+y,1/2-z' '1/2+x,-y,z' '+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na11 0.15330 0.98200 0.27910 1.00000 Na2 0.00600 0.25900 0.10400 1.00000 Al11A 0.12190 0.15940 0.40980 0.33333 Si11A 0.12190 0.15940 0.40980 0.66667 Al11B 0.87700 0.34020 0.40860 0.33333 Si11B 0.87700 0.34020 0.40860 0.66667 Al12A 0.41890 0.12460 0.16770 0.33333 Si12A 0.41890 0.12460 0.16770 0.66667 Al12B 0.58160 0.37590 0.16850 0.33333 Si12B 0.58160 0.37590 0.16850 0.66667 Al2A 0.15980 0.40930 0.12890 0.33333 Si2A 0.15980 0.40930 0.12890 0.66667 Al2B 0.84100 0.09050 0.12770 0.33333 Si2B 0.84100 0.09050 0.12770 0.66667 O11A 0.09820 0.35270 0.21650 1.00000 O11B 0.90330 0.14660 0.21510 1.00000 O12A 0.38650 0.13620 0.47170 1.00000 O12B 0.61320 0.36320 0.47316 1.00000 O21A 0.22360 0.11380 0.36170 1.00000 O21B 0.77564 0.38680 0.36100 1.00000 O22A 0.14610 0.47037 0.36470 1.00000 O22B 0.85230 0.02977 0.36200 1.00000 O31A 0.38820 0.21870 0.10180 1.00000 O31B 0.61400 0.28120 0.10400 1.00000 O32A 0.46610 0.39920 0.15240 1.00000 O32B 0.53460 0.10160 0.15370 1.00000