#------------------------------------------------------------------------------ #$Date: 2014-07-12 11:06:43 +0300 (Sat, 12 Jul 2014) $ #$Revision: 120115 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/01/06/9010665.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9010665 loop_ _publ_author_name 'Demartin, F.' 'Gramaccioli, C. M.' 'Campostrini, I.' 'Orlandi, P.' _publ_section_title ; Knasibfite, K3Na4[SiF6]3[BF4], a new hexafluorosilicate-tetrafluoroborate from La Fossa Crater, Vulcano, Aeolian Islands, Italy Locality: La Fossa Crater, Vulcano, Aeolian Islands, Italy ; _journal_name_full 'The Canadian Mineralogist' _journal_page_first 447 _journal_page_last 453 _journal_volume 46 _journal_year 2008 _chemical_formula_sum 'B F22 K3 Na4 Si3' _chemical_name_mineral Knasibfite _space_group_IT_number 44 _symmetry_space_group_name_Hall 'I 2 -2' _symmetry_space_group_name_H-M 'I m m 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 5.522 _cell_length_b 17.106 _cell_length_c 9.175 _cell_volume 866.664 _exptl_crystal_density_diffrn 2.768 _[local]_cod_chemical_formula_sum_orig 'K3 Na4 Si3 F22 B' _cod_database_code 9010665 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z x,-y,z 1/2+x,1/2-y,1/2+z -x,y,z 1/2-x,1/2+y,1/2+z -x,-y,z 1/2-x,1/2-y,1/2+z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K1 0.03990 0.02830 0.03760 0.00000 0.00000 0.00880 K2 0.02730 0.02420 0.02820 0.00000 0.00000 0.00000 Na1 0.03750 0.03190 0.03040 0.00000 0.00000 0.00110 Na2 0.02470 0.01950 0.02350 0.00000 0.00000 -0.00360 Si1 0.01720 0.01470 0.02420 0.00000 0.00000 0.00000 Si2 0.01920 0.01820 0.02010 0.00000 0.00000 -0.00150 F1 0.02700 0.05000 0.02300 0.00000 0.00000 0.00000 F2 0.03800 0.05700 0.02300 0.00000 0.00000 0.00000 F3 0.03120 0.02850 0.05070 0.01530 -0.00140 0.00350 F4 0.07900 0.04400 0.01900 0.00000 0.00000 -0.00900 F5 0.04800 0.02800 0.02300 0.00000 0.00000 -0.00500 F6 0.02990 0.02980 0.04550 0.01310 0.00430 0.00630 F7 0.04100 0.03590 0.05000 0.01830 0.01110 0.00640 F8 0.02700 0.03200 0.03500 0.00000 0.00420 0.00000 F9 0.05300 0.03400 0.03600 0.00000 0.00000 0.01600 B 0.03000 0.02200 0.02500 0.00000 0.00000 0.00000 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv K1 0.50000 0.37387 0.28260 0.03530 K2 0.50000 0.00000 0.44480 0.02660 Na1 0.00000 0.17140 0.35140 0.03330 Na2 0.00000 0.35830 0.60390 0.02260 Si1 0.00000 0.00000 0.20300 0.01870 Si2 0.50000 0.21420 0.51930 0.01920 F1 0.00000 0.00000 0.38640 0.03340 F2 0.00000 0.00000 0.02420 0.03930 F3 0.21440 0.06970 0.20940 0.03680 F4 0.50000 0.22540 0.69870 0.04730 F5 0.50000 0.20380 0.33690 0.03280 F6 0.71560 0.14567 0.53180 0.03500 F7 0.28530 0.28234 0.50000 0.04230 F8 0.20430 0.50000 0.22550 0.03140 F9 0.00000 0.43320 0.39870 0.04120 B 0.00000 0.50000 0.31310 0.02600 _journal_paper_doi 10.3749/canmin.46.2.447