data_global
_chemical_name_mineral 'Betpakdalite-CaCa'
loop_
_publ_author_name
'Cooper M A'
'Hawthorne F C'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 37
_journal_year 1999
_journal_page_first 61
_journal_page_last 66
_publ_section_title
;
The crystal structure of betpakdalite, and a new chemical formula:
{Mg(H2O)6}Ca2(H2O)13[Mo8As2Fe3O36(OH)](H2O)4
;
_database_code_amcsd 0005591
_chemical_formula_sum 'Mo8 As2 Fe3 Mg Ca2 O60 H47'
_cell_length_a 19.531
_cell_length_b 11.061
_cell_length_c 15.257
_cell_angle_alpha 90
_cell_angle_beta 131.57
_cell_angle_gamma 90
_cell_volume 2465.893
_exptl_crystal_density_diffrn 2.959
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
'x,y,z'
'1/2+x,1/2+y,z'
'x,-y,z'
'1/2+x,1/2-y,z'
'-x,y,-z'
'1/2-x,1/2+y,-z'
'-x,-y,-z'
'1/2-x,1/2-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
Mo1 0.21480 -0.16070 0.19391 1.00000 0.00810
Mo2 0.37106 0.00000 0.19692 1.00000 0.00790
Mo3 0.37566 0.00000 0.42461 1.00000 0.01200
As -0.13451 0.00000 0.05884 1.00000 0.00830
Fe1 0.75000 0.75000 0.00000 1.00000 0.01110
Fe2 0.00000 0.00000 0.00000 1.00000 0.01190
Mg 0.50000 0.00000 0.00000 1.00000 0.02240
Ca 0.15590 -0.17680 0.48800 0.50000 0.03300
O1 0.21260 0.00000 0.09260 1.00000 0.00940
O2 0.23750 0.00000 0.28520 1.00000 0.01150
O3 0.34230 -0.12490 0.10220 1.00000 0.01530
O4 0.35050 -0.11370 0.28690 1.00000 0.01350
O5 0.21840 -0.25460 0.10120 1.00000 0.01530
O6 0.09470 -0.12790 0.10070 1.00000 0.01540
O7 0.15130 -0.12430 -0.10560 1.00000 0.01730
O8 0.02850 0.00000 -0.10660 1.00000 0.01710
O9 0.37080 -0.12290 0.48890 1.00000 0.02330
O10 0.48730 0.00000 0.29260 0.50000 0.01760
O-H10 0.48730 0.00000 0.29260 0.50000 0.01760
O11 0.23460 -0.26080 0.29400 1.00000 0.01970
O12 0.50000 0.01400 0.50000 0.50000 0.01880
Wat1 0.46570 -0.13470 0.05860 1.00000 0.04830
Wat2 0.62940 0.00000 0.16500 1.00000 0.03970
Wat3 -0.20770 0.00000 0.22160 1.00000 0.04050
Wat4 0.12770 -0.05040 0.33900 0.50000 0.03680
Wat5 -0.10560 -0.03000 0.46440 0.50000 0.06980
Wat6 -0.29510 -0.04190 0.40390 0.50000 0.03190
Wat7 -0.23350 -0.20010 0.50280 0.50000 0.03850
Wat8 0.47980 -0.30680 0.35440 1.00000 0.12140
Wat9 0.05690 -0.23070 0.25970 0.50000 0.05370
Wat10 0.41700 -0.20000 0.70200 0.25000 0.04940
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
Mo1 0.00990 0.00750 0.00860 0.00080 0.00690 0.00070
Mo2 76.00000 0.00820 0.00810 0.00000 0.00530 0.00000
Mo3 0.00960 0.01780 0.00830 0.00000 0.00580 0.00000
As 0.00830 0.00850 0.00840 0.00000 0.00570 0.00000
Fe1 0.01270 0.00940 0.01270 -0.00040 0.00900 0.00090
Fe2 0.01090 0.01420 0.01300 0.00000 0.00910 0.00000
Mg 0.01720 0.02700 0.02440 0.00000 0.01430 0.00000
Ca 0.03360 0.02610 0.03020 -0.00050 0.01720 0.01150
O1 0.01020 0.00880 0.00760 0.00000 0.00510 0.00000
O2 0.01110 0.01310 0.01160 0.00000 0.00810 0.00000
O3 0.01620 0.01330 0.01880 -0.00160 0.01250 -0.00350
O4 0.01330 0.01620 0.01320 0.00050 0.00980 0.00010
O5 0.02110 0.01310 0.01960 -0.00150 0.01680 -0.00220
O6 0.01400 0.01580 0.01670 0.00070 0.01030 0.00070
O7 0.02230 0.01420 0.01090 0.00610 0.00920 -0.00190
O8 0.00770 0.03350 0.01100 0.00000 0.00660 0.00000
O9 0.02330 0.02520 0.01550 -0.00260 0.01040 0.00230
O10 0.01240 0.02490 0.01340 0.00000 0.00760 0.00000
O-H10 0.01240 0.02490 0.01340 0.00000 0.00760 0.00000
O11 0.02550 0.01920 0.01700 0.00290 0.01510 0.00500
O12 0.00800 0.03140 0.01510 0.00000 0.00690 0.00000
Wat1 0.03700 0.06410 0.04620 -0.01990 0.02860 0.00020
Wat2 0.02300 0.05280 0.03350 0.00000 0.01460 0.00000
Wat3 0.05350 0.04000 0.04590 0.00000 0.04050 0.00000
Wat4 0.03180 0.06020 0.02400 0.00590 0.02080 0.01250
Wat5 0.07160 0.06760 0.05770 -0.01450 0.03760 0.00540
Wat6 0.03700 0.02790 0.03860 0.00320 0.02840 -0.00070
Wat7 0.06560 0.02510 0.04750 0.00840 0.04710 0.00100
Wat8 0.07380 0.06580 0.10780 0.01630 0.01100 -0.02240
Wat9 0.04460 0.04290 0.05580 -0.00130 0.02580 0.00110