data_global
_chemical_name_mineral 'Chrysotile'
loop_
_publ_author_name
'Falini G'
'Foresti E'
'Gazzano M'
'Gualtieri A F'
'Leoni M'
'Lesci I G'
'Roveri N'
_journal_name_full 'Chemistry - A European Journal'
_journal_volume 10 
_journal_year 2004
_journal_page_first 3043
_journal_page_last 3049
_publ_section_title
;
 Tubular-shaped stoichiometric chrysotile nanocrystals
;
_database_code_amcsd 0019917
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg3 Si2 O9 H4'
_cell_length_a 5.340
_cell_length_b 9.241
_cell_length_c 14.689
_cell_angle_alpha 90
_cell_angle_beta 93.66
_cell_angle_gamma 90
_cell_volume 723.379
_exptl_crystal_density_diffrn      2.544
_symmetry_space_group_name_H-M 'C 1 c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg1   0.88520   0.19800   0.23030   0.00700
Mg2   0.37470   0.37710   0.23270   0.00700
Mg3   0.88180   0.52350   0.22040   0.00700
Si1   0.02570   0.36410   0.04100   0.01800
Si2   0.52080   0.53350   0.04000   0.01800
O1   0.07260   0.19780   0.00000   0.01300
O2   0.23870   0.47500   0.00230   0.01300
O3   0.73950   0.42140   0.00630   0.01300
O4   0.04380   0.35960   0.15600   0.01300
O5   0.53200   0.53700   0.15500   0.01300
O-H1   0.72990   0.36300   0.28780   0.01300
O-H2   0.23950   0.19700   0.27910   0.01300
O-H3   0.53340   0.20530   0.18070   0.01300
O-H4   0.20250   0.54160   0.29600   0.01300