data_global _chemical_name_mineral 'Senkevichite' loop_ _publ_author_name 'Uvarova Y A' 'Sokolova E' 'Hawthorne F C' 'Agakhanov A A' 'Pautov L A' 'Karpenko V Y' _journal_name_full 'The Canadian Mineralogist' _journal_volume 44 _journal_year 2006 _journal_page_first 1341 _journal_page_last 1348 _publ_section_title ; The crystal chemistry of senkevichite, CsKNaCa2TiO[Si7O18(OH)], from the Dara-I-Pioz alkaline massif, northern Tajikistan ; _database_code_amcsd 0006127 _chemical_compound_source 'Dara-i-Pioz moraine, Alai ridge, Tien-Shan Mountains, Tajikistan' _chemical_formula_sum 'Cs.9 K1.08 Na Ca1.62 Mn.3 Fe.06 Ti.93 Nb.04 Si7 O20 H' _cell_length_a 10.4191 _cell_length_b 12.2408 _cell_length_c 7.0569 _cell_angle_alpha 90.857 _cell_angle_beta 99.193 _cell_angle_gamma 91.895 _cell_volume 887.791 _exptl_crystal_density_diffrn 3.125 _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 CsA1 0.63686 0.89743 0.77051 0.90000 0.01820 KA1 0.63686 0.89743 0.77051 0.08000 0.01820 KA2 0.55314 0.64832 0.27070 1.00000 0.01850 Na 0.01950 0.88830 0.38910 1.00000 0.01490 CaM2 0.11883 0.59094 0.90950 1.00000 0.00850 CaM3 0.12262 0.57715 0.40821 0.62000 0.00910 MnM3 0.12262 0.57715 0.40821 0.30000 0.00910 FeM3 0.12262 0.57715 0.40821 0.06000 0.00910 TiM1 0.00917 0.89850 0.89618 0.93000 0.00660 NbM1 0.00917 0.89850 0.89618 0.04000 0.00660 Si1 0.13180 0.30739 0.87400 1.00000 0.00620 Si2 0.13040 0.30134 0.42660 1.00000 0.00660 Si3 0.31497 0.41614 0.19820 1.00000 0.00670 Si4 0.68830 0.18824 -0.00150 1.00000 0.00800 Si5 0.69520 0.19562 0.57230 1.00000 0.00970 Si6 0.60550 0.35742 0.26990 1.00000 0.00740 Si7 0.72860 0.01788 0.28340 1.00000 0.00820 O1 0.27510 0.34330 0.99910 1.00000 0.01070 O2 0.08330 0.19240 0.94720 1.00000 0.01290 O3 0.03460 0.40550 0.87300 1.00000 0.01010 O4 0.16800 0.28240 0.66010 1.00000 0.01080 O5 0.08410 0.18440 0.33280 1.00000 0.01230 O6 0.03120 0.39840 0.38290 1.00000 0.01130 O7 0.27250 0.34020 0.36980 1.00000 0.01150 O8 0.25350 0.53260 0.18870 1.00000 0.01110 O9 0.47380 0.42770 0.24010 1.00000 0.01000 O10 0.59950 0.28280 0.07410 1.00000 0.01440 O11 0.64800 0.07320 0.09180 1.00000 0.01150 O12 0.83950 0.21770 0.05940 1.00000 0.01100 O13 0.63590 0.17760 0.77020 1.00000 0.01240 O14 0.83660 0.24550 0.59580 1.00000 0.01470 O15 0.67930 0.07490 0.46790 1.00000 0.01410 O16 0.58960 0.27390 0.44480 1.00000 0.01140 O17 0.73210 0.43460 0.30900 1.00000 0.01190 O18 0.67370 0.89200 0.27830 1.00000 0.01800 O19 0.88220 0.03100 0.29090 1.00000 0.01040 O20 0.90250 0.01440 0.88090 1.00000 0.00870 H 0.73800 0.84400 0.29800 1.00000 0.02160 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 CsA1 0.01570 0.01690 0.02190 -0.00150 0.00340 -0.00310 KA1 0.01570 0.01690 0.02190 -0.00150 0.00340 -0.00310 KA2 0.01620 0.02300 0.01650 0.00170 0.00250 0.00060 Na 0.01430 0.01440 0.01620 0.00380 0.00160 0.00240 CaM2 0.00750 0.00910 0.00870 0.00010 0.00140 0.00080 CaM3 0.00810 0.01010 0.00900 0.00040 0.00120 0.00020 MnM3 0.00810 0.01010 0.00900 0.00040 0.00120 0.00020 FeM3 0.00810 0.01010 0.00900 0.00040 0.00120 0.00020 TiM1 0.00610 0.00700 0.00680 -0.00030 0.00130 0.00040 NbM1 0.00610 0.00700 0.00680 -0.00030 0.00130 0.00040 Si1 0.00630 0.00760 0.00460 0.00060 0.00090 0.00000 Si2 0.00650 0.00830 0.00490 0.00040 0.00070 0.00060 Si3 0.00420 0.00850 0.00720 0.00080 0.00020 0.00090 Si4 0.00790 0.00930 0.00680 0.00050 0.00130 -0.00040 Si5 0.00930 0.01160 0.00800 0.00140 0.00090 0.00130 Si6 0.00630 0.00900 0.00720 0.00130 0.00110 0.00060 Si7 0.00840 0.00850 0.00790 0.00100 0.00200 0.00110 O1 0.00770 0.01420 0.00930 -0.00020 -0.00080 -0.00270 O2 0.01250 0.01340 0.01380 -0.00180 0.00530 0.00450 O3 0.00890 0.01090 0.01010 0.00200 -0.00010 0.00040 O4 0.01340 0.01510 0.00440 0.00440 0.00230 0.00230 O5 0.01380 0.01080 0.01090 -0.00150 -0.00130 -0.00390 O6 0.01130 0.01210 0.01100 0.00440 0.00250 0.00160 O7 0.00950 0.01390 0.01200 0.00120 0.00410 0.00400 O8 0.00990 0.01090 0.01230 0.00370 0.00030 0.00090 O9 0.00360 0.01170 0.01450 0.00100 0.00100 0.00020 O10 0.01810 0.01760 0.00760 0.00830 0.00140 -0.00320 O11 0.00760 0.01450 0.01180 0.00010 -0.00080 0.00580 O12 0.00870 0.01090 0.01340 -0.00030 0.00150 -0.00120 O13 0.01190 0.01800 0.00790 0.00050 0.00340 0.00000 O14 0.00910 0.01730 0.01720 0.00140 0.00040 0.00120 O15 0.01740 0.01420 0.01240 0.00040 0.00780 -0.00090 O16 0.00980 0.01430 0.00990 0.00190 0.00070 0.00570 O17 0.00500 0.01590 0.01450 -0.00250 0.00150 0.00070 O18 0.01110 0.01300 0.02970 0.00080 0.00230 0.00140 O19 0.00770 0.01330 0.01060 0.00140 0.00210 0.00030 O20 0.00580 0.00960 0.01060 0.00060 0.00100 -0.00020