data_global
_chemical_name_mineral 'Bikitaite'
loop_
_publ_author_name
'Comodi P'
'Gatta G D'
'Zanazzi P F'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 15 
_journal_year 2003
_journal_page_first 247
_journal_page_last 255
_publ_section_title
;
 Effects of pressure on the structure of bikitaite
 P = 3.2 GPa
;
_database_code_amcsd 0006965
_chemical_compound_source 'King's Mountain, North Carolina, USA'
_chemical_formula_sum 'Li Si2 Al O7 H2'
_cell_length_a 8.543
_cell_length_b 4.852
_cell_length_c 7.377
_cell_angle_alpha 89.65
_cell_angle_beta 114.74
_cell_angle_gamma 90.34
_cell_volume 277.708
_exptl_crystal_density_diffrn      2.441
_symmetry_space_group_name_H-M 'P 1'
loop_
_space_group_symop_operation_xyz
  '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
Li1   0.29700   0.34100   0.16700   0.01100
Li2   0.67700   0.84300   0.83300   0.01000
Si1   0.10400   0.83400   0.10500   0.00800
Si2   0.10380   0.80060   0.50490   0.01200
Si22   0.89200   0.29600   0.49600   0.01100
Si23   0.61600   0.36800   0.07300   0.00900
Al13   0.37700   0.86700   0.94200   0.01000
Al21   0.89800   0.33400   0.93400   0.00900
O11   0.25900   0.71300   0.05600   0.01400
O12   0.08900   0.16500   0.07400   0.01300
O13   0.15700   0.74600   0.32700   0.01700
O14   0.05600   0.51400   0.58100   0.01100
O15   0.26300   0.94700   0.70300   0.01300
O16   0.46000   0.17800   0.07400   0.01100
Wat17   0.41400   0.28600   0.47300   0.02200
O21   0.72000   0.21700   0.96600   0.01500
O22   0.92300   0.68000   0.96700   0.00900
O23   0.83100   0.24900   0.67000   0.00900
O24   0.93500   0.01100   0.42000   0.02300
O25   0.73900   0.43300   0.30600   0.01200
O26   0.54300   0.65400   0.95200   0.00900
Wat27   0.58500   0.77900   0.55100   0.03100