data_global _chemical_name_mineral 'Proshchenkoite-(Y)' loop_ _publ_author_name 'Raade G' 'Grice J D' 'Erambert M' 'Kristiansson P' 'Witzke T' _journal_name_full 'Mineralogical Magazine' _journal_volume 72 _journal_year 2008 _journal_page_first 1071 _journal_page_last 1082 _publ_section_title ; Proshchenkoite-(Y) from Russia - a new mineral species in the vicanite group: Descriptive data and crystal structure ; _database_code_amcsd 0018903 _chemical_compound_source 'Tommot REE-Nb deposit in Yakutia, Russia' _chemical_formula_sum 'Nd7.53 Y3.72 Ca2.53 Na1.17 Mn.93 Th.09 Pb.03 Fe.83 Ti.02 Si6.26 B3 P.7 As.04 O34 F14' _cell_length_a 10.7527 _cell_length_b 10.7527 _cell_length_c 27.4002 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 2743.591 _exptl_crystal_density_diffrn 4.927 _symmetry_space_group_name_H-M 'R 3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+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 NdM1 0.87001 0.12999 0.68367 0.70000 0.01824 YM1 0.87001 0.12999 0.68367 0.30000 0.01824 NdM2 0.86573 0.13427 0.10116 0.80000 0.02187 CaM2 0.86573 0.13427 0.10116 0.20000 0.02187 NaM3 0.11449 0.88551 -0.09902 0.39000 0.03280 NdM3 0.11449 0.88551 -0.09902 0.33000 0.03280 CaM3 0.11449 0.88551 -0.09902 0.20000 0.03280 YM3 0.11449 0.88551 -0.09902 0.08000 0.03280 NdM4 0.12282 0.87718 0.46990 0.42000 0.02110 MnM4 0.12282 0.87718 0.46990 0.26000 0.02110 YM4 0.12282 0.87718 0.46990 0.16000 0.02110 CaM4 0.12282 0.87718 0.46990 0.11000 0.02110 YM5 0.13824 0.86176 0.22186 0.70000 0.01688 NdM5 0.13824 0.86176 0.22186 0.26000 0.01688 ThM5 0.13824 0.86176 0.22186 0.03000 0.01688 PbM5 0.13824 0.86176 0.22186 0.01000 0.01688 Fe 0.00000 0.00000 0.00000 0.83000 0.02150 Mn 0.00000 0.00000 0.00000 0.15000 0.02150 Ti 0.00000 0.00000 0.00000 0.02000 0.02150 Si1 0.16972 0.83028 0.04725 1.00000 0.02170 Si2 0.82858 0.17142 -0.04047 1.00000 0.01950 B -0.08210 0.08210 0.29620 1.00000 0.01900 P 0.00000 0.00000 0.78864 0.70000 0.03080 Si 0.00000 0.00000 0.78864 0.26000 0.03080 As 0.00000 0.00000 0.78864 0.04000 0.03080 Ca 0.00000 0.00000 0.57832 1.00000 0.03360 O1 0.08370 -0.08370 0.05250 1.00000 0.02520 O2 0.18670 0.81330 -0.01020 1.00000 0.02720 O3 0.32740 -0.06830 0.07292 1.00000 0.02330 O4 -0.08520 0.08520 -0.05260 1.00000 0.03700 O5 0.81070 0.18930 0.01880 1.00000 0.02180 O6 0.66610 0.08510 -0.06171 1.00000 0.03120 O7 0.07780 -0.07780 0.30690 1.00000 0.02510 O8 -0.09770 0.09770 0.24080 1.00000 0.02350 F9 0.08520 -0.08520 0.14750 1.00000 0.04250 O10 0.00000 0.00000 0.84680 1.00000 0.02800 O11 0.15140 0.11920 0.76800 0.50000 0.04900 F12 -0.08990 0.08990 0.51240 1.00000 0.03330 F13 0.00000 0.00000 0.66330 1.00000 0.02200 F14 0.01560 0.30300 0.84079 1.00000 0.04370 F15 0.00000 0.00000 0.43770 1.00000 0.04700 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 NdM1 0.01697 0.01697 0.01790 0.00637 0.00201 -0.00201 YM1 0.01697 0.01697 0.01790 0.00637 0.00201 -0.00201 NdM2 0.02088 0.02088 0.02280 0.00960 -0.00088 0.00088 CaM2 0.02088 0.02088 0.02280 0.00960 -0.00088 0.00088 NaM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010 NdM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010 CaM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010 YM3 0.02630 0.02630 0.04800 0.01470 0.01010 -0.01010 NdM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190 MnM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190 YM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190 CaM4 0.01830 0.01830 0.02010 0.00430 0.00190 -0.00190 YM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037 NdM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037 ThM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037 PbM5 0.01782 0.01782 0.01700 0.01040 -0.00037 0.00037 Fe 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000 Mn 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000 Ti 0.02530 0.02530 0.01390 0.01270 0.00000 0.00000 Si1 0.01820 0.01820 0.02550 0.00680 0.00040 -0.00040 Si2 0.01670 0.01670 0.02550 0.00860 -0.00060 0.00060 B 0.01000 0.01000 0.02500 -0.00400 -0.00500 0.00500 P 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000 Si 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000 As 0.03250 0.03250 0.02700 0.01630 0.00000 0.00000 Ca 0.03980 0.03980 0.02110 0.01990 0.00000 0.00000 O1 0.01470 0.01470 0.04100 0.00300 -0.00420 0.00420 O2 0.02760 0.02760 0.02700 0.01400 0.00380 -0.00380 O3 0.02370 0.02500 0.02200 0.01330 -0.00030 0.00480 O4 0.02340 0.02340 0.06500 0.01300 0.00200 -0.00200 O5 0.02470 0.02470 0.01600 0.01200 -0.00090 0.00090 O6 0.02000 0.03700 0.02500 0.00500 -0.00800 -0.00800 O7 0.02020 0.02020 0.03100 0.00700 0.00240 -0.00240 O8 0.02230 0.02230 0.01800 0.00500 0.00050 -0.00050 F9 0.04200 0.04200 0.03500 0.01500 -0.00440 0.00440 O10 0.02900 0.02900 0.02700 0.01500 0.00000 0.00000 O11 0.02700 0.05500 0.03300 -0.00500 -0.00300 0.00100 F12 0.02870 0.02870 0.03800 0.01100 0.00740 -0.00740 F13 0.01400 0.01400 0.03800 0.00720 0.00000 0.00000 F14 0.04300 0.05000 0.04200 0.02600 -0.01500 -0.00500 F15 0.05200 0.05200 0.03700 0.02600 0.00000 0.00000