data_global
_chemical_name_mineral 'Swartzite'
loop_
_publ_author_name
'Mereiter K'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1986 
_journal_year 1986
_journal_page_first 481
_journal_page_last 492
_publ_section_title
;
 Synthetic swartzite, CaMg[UO2(CO3)3]*12H2O, and its strontium analogue,
 SrMg[UO2(CO3)3]*12H2O: Crystallography and crystal structures
;
_database_code_amcsd 0014803
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ca Mg U C3 O23 H24'
_cell_length_a 11.080
_cell_length_b 14.634
_cell_length_c 6.439
_cell_angle_alpha 90
_cell_angle_beta 99.43
_cell_angle_gamma 90
_cell_volume 1029.941
_exptl_crystal_density_diffrn      2.356
_symmetry_space_group_name_H-M 'P 1 21/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Ca   0.58193   0.25000   0.77410   0.02153
Mg   0.00000   0.00000   0.00000   0.02280
U   0.21979   0.25000   0.55092   0.01520
C1  -0.04350   0.25000   0.44950   0.02153
C2   0.35410   0.08180   0.63520   0.02280
O1   0.22930   0.25000   0.27810   0.03546
O2   0.20900   0.25000   0.82500   0.03166
O3   0.01940   0.17600   0.48660   0.03800
O4  -0.15700   0.25000   0.38570   0.03293
O5   0.23700   0.08270   0.56780   0.02660
O6   0.40490   0.16170   0.63910   0.02660
O7   0.41290   0.01070   0.69340   0.03166
OW1   0.49170   0.25000   0.09440   0.05573
OW2   0.79120   0.25000   0.95220   0.04179
OW3   0.62370   0.08240   0.92400   0.03800
OW4   0.65170   0.15530   0.50480   0.05573
OW5  -0.08260   0.03230   0.25260   0.03800
OW6   0.16830   0.00330   0.18300   0.04939
OW7   0.01980   0.13820  -0.04860   0.04559
H11   0.40500   0.25000   0.09500   0.09119
H12   0.53300   0.25000   0.23800   0.09119
H21   0.80900   0.25000   0.10300   0.09119
H22   0.86800   0.25000   0.90000   0.09119
H31   0.56100   0.05200   0.83000   0.06079
H32   0.62500   0.05800   0.06300   0.06079
H41   0.73400   0.16700   0.48200   0.06079
H42   0.62800   0.09600   0.45000   0.06079
H51  -0.05600   0.08300   0.34300   0.06079
H52  -0.13500  -0.00500   0.32200   0.06079
H61   0.19700   0.01900   0.32300   0.06079
H62   0.23600  -0.03200   0.13300   0.06079
H71   0.09900   0.16300   0.00400   0.09119
H72   0.00200   0.15000  -0.19700   0.09119
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
Ca 0.01500 0.02500 0.02400 0.00000 0.00100 0.00000
Mg 0.02000 0.02400 0.02500 -0.00100 0.00400 0.00000
U 0.01200 0.01800 0.01400 0.00000 0.00200 0.00000
C1 0.01600 0.02600 0.02400 0.00000 0.00200 0.00000
C2 0.02100 0.02000 0.02700 -0.00100 0.00200 0.00000
O1 0.03700 0.05100 0.01900 0.00000 0.00600 0.00000
O2 0.02900 0.04600 0.01800 0.00000 0.00600 0.00000
O3 0.02000 0.02200 0.07200 0.00000 -0.00800 -0.00200
O4 0.01700 0.03800 0.04300 0.00000 0.00300 0.00000
O5 0.01800 0.02100 0.04000 -0.00300 0.00000 -0.00200
O6 0.01700 0.02100 0.04100 -0.00100 0.00000 0.00100
O7 0.02600 0.02100 0.04800 0.00300 0.00100 0.00200
OW1 0.04500 0.08700 0.03700 0.00000 0.01600 0.00000
OW2 0.02600 0.05500 0.04400 0.00000 -0.00200 0.00000
OW3 0.02600 0.04700 0.04000 -0.00300 0.00100 0.01000
OW4 0.05700 0.03600 0.07300 -0.02000 0.04200 -0.02400
OW5 0.04300 0.03500 0.03400 -0.01400 0.01800 -0.00900
OW6 0.02700 0.07700 0.04400 0.01200 -0.00800 -0.02400
OW7 0.05500 0.02900 0.05300 -0.00700 0.01500 0.00700