data_global
_chemical_name_mineral 'Guyanaite'
loop_
_publ_author_name
'Christensen N'
'Hansen P'
'Lehmann M S'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 19 
_journal_year 1976
_journal_page_first 299
_journal_page_last 304
_publ_section_title
;
 Isotope effects in the bonds of beta-CrOOH and beta-CrOOD
;
_database_code_amcsd 0013339
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Cr O2 H'
_cell_length_a 4.862
_cell_length_b 4.298
_cell_length_c 2.995
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 62.586
_exptl_crystal_density_diffrn      4.511
_symmetry_space_group_name_H-M 'P 21 n m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,-y,1/2+z'
  'x,y,-z'
  '1/2+x,-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
Cr   0.00000   0.26170   0.00000   0.01039
O1   0.37880   0.48140   0.00000   0.01039
O2   0.67080   0.01420   0.00000   0.01039
H   0.52750   0.21100   0.00000   0.01039