data_global
_chemical_name_mineral 'Gordonite'
loop_
_publ_author_name
'Leavens P B'
'Rheingold A L'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1988 
_journal_year 1988
_journal_page_first 265
_journal_page_last 270
_publ_section_title
;
 Crystal structures of gordonite, MgAl2(PO4)2(OH)2(H2O)6*2H2O, and its Mn analog
;
_database_code_amcsd 0014827
_chemical_compound_source 'Little Green Monster mine, Fairfield, Utah, USA'
_chemical_formula_sum 'Mg Al2 P2 O18 H18'
_cell_length_a 5.246
_cell_length_b 10.532
_cell_length_c 6.975
_cell_angle_alpha 107.51
_cell_angle_beta 111.03
_cell_angle_gamma 72.21
_cell_volume 334.483
_exptl_crystal_density_diffrn      2.216
_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_U_iso_or_equiv
Mg   0.00000   0.00000   0.00000   0.01400
Al1   0.00000   0.50000   0.00000   0.01000
Al2   0.00000   0.50000   0.50000   0.01200
P   0.34560   0.66800   0.92580   0.01000
Op1   0.16950   0.64760   0.04560   0.01200
Op2   0.29430   0.57630   0.70290   0.01300
Op3   0.26800   0.81850   0.91270   0.01600
Op4   0.33900   0.36990   0.95580   0.01200
O-h5   0.13980   0.50330   0.29130   0.01400
Ow6   0.22970   0.31770   0.54040   0.01600
Ow7   0.24090   0.01100   0.31460   0.02900
Ow8   0.22200   0.10830   0.94550   0.02800
Ow9   0.26610   0.80800   0.50760   0.02600
H52   0.29000   0.50000   0.32000   0.04000
H64   0.28000   0.33000   0.68000   0.04000
H69   0.36000   0.29000   0.51000   0.04000
H76   0.25000   0.09000   0.38000   0.04000
H79   0.26000   0.96000   0.38000   0.04000
H81   0.11000   0.19000   0.94000   0.04000
H83   0.38000   0.13000  -0.03000   0.04000
H93   0.29000   0.82000   0.63000   0.04000
H96   0.21000   0.76000   0.44000   0.04000
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
Mg 0.01300 0.01300 0.01400 -0.00300 0.00400 0.00200
Al1 0.01000 0.01000 0.01000 -0.00300 0.00400 0.00100
Al2 0.01300 0.01300 0.01000 -0.00500 0.00400 0.00100
P 0.01100 0.01200 0.00500 -0.00400 0.00200 0.00100
Op1 0.01600 0.01400 0.00700 -0.00600 0.00500 -0.00100
Op2 0.01400 0.01800 0.00600 -0.00700 0.00100 -0.00100
Op3 0.01700 0.01400 0.01700 -0.00300 0.00400 0.00400
Op4 0.01200 0.01600 0.00600 -0.00300 0.00100 0.00100
O-h5 0.01100 0.02200 0.01000 -0.00500 0.00300 0.00400
Ow6 0.01900 0.01900 0.00900 -0.00400 0.00400 0.00100
Ow7 0.03300 0.02900 0.02000 -0.00800 0.00000 0.00500
Ow8 0.01900 0.01800 0.05100 -0.00300 0.01500 0.01000
Ow9 0.03000 0.03200 0.01800 -0.00800 0.00800 0.00400