data_global
_chemical_name_mineral 'Lansfordite'
loop_
_publ_author_name
'Liu B N'
'Zhou X T'
'Cui X S'
'Tang J G'
_journal_name_full 'Science in China'
_journal_volume B33 
_journal_year 1990
_journal_page_first 1350
_journal_page_last 1356
_publ_section_title
;
 Synthesis of lansfordite MgCO3*5H2O and its crystal structure investigation
;
_database_code_amcsd 0015442
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg C O8 H10'
_cell_length_a 7.364
_cell_length_b 7.632
_cell_length_c 12.488
_cell_angle_alpha 90
_cell_angle_beta 101.75
_cell_angle_gamma 90
_cell_volume 687.144
_exptl_crystal_density_diffrn      1.686
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-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
Mg1   0.00000   0.00000   0.00000   0.01600
Mg2   0.50000   0.00000   0.50000   0.01300
C   0.65400   0.24690   0.19140   0.01400
O1   0.48770   0.21740   0.20600   0.02000
O2   0.67830   0.34140   0.11050   0.02000
O3   0.79460   0.18250   0.25730   0.01900
Ow1   0.29530   0.03450   0.59200   0.01600
Ow2   0.41650   0.22220   0.40500   0.02200
Ow3  -0.01210   0.25450   0.04470   0.02600
Ow4   0.06080   0.08790   0.85090   0.02200
Ow5   0.28560  -0.01050   0.05930   0.02400
H11   0.34920   0.10360   0.64080   0.06100
H12   0.73400   0.04730   0.36170   0.03700
H21   0.41830   0.21820   0.32940   0.05000
H22   0.67320   0.74220   0.60090   0.04700
H31   0.07590   0.16580   0.56370   0.05800
H32  -0.08920   0.20720   0.57390   0.05000
H41  -0.03070   0.14940   0.81560   0.10300
H42  -0.09130  -0.01610   0.19030   0.01700
H51   0.36640  -0.09010   0.05830   0.06400
H52   0.34580   0.06520   0.10990   0.05700