data_global _chemical_name_mineral 'Behoite' loop_ _publ_author_name 'Stahl R' 'Jung C' 'Lutz H D' 'Kockelmann W' 'Jacobs H' _journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie' _journal_volume 624 _journal_year 1998 _journal_page_first 1130 _journal_page_last 1136 _publ_section_title ; Kristallstrukturen und Wasserstoffbruckenbindungen bei beta-Be(OH)2 und epsilon-Zn(OH)2 Note: combined X-ray and Neutron diffraction ; _database_code_amcsd 0018271 _chemical_formula_sum 'Be O2 H2' _cell_length_a 4.5328 _cell_length_b 4.6252 _cell_length_c 7.0379 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 147.550 _exptl_crystal_density_diffrn 1.937 _symmetry_space_group_name_H-M 'P 21 21 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,1/2-z' '1/2+x,1/2-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 Be 0.03040 0.70730 0.62590 0.01077 O1 0.19150 0.10590 0.04260 0.01267 O2 0.15710 0.42180 0.73160 0.01216 H1 0.26860 0.09580 0.55770 0.03014 H2 0.35310 0.43720 0.77900 0.03141 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 Be 0.00810 0.00800 0.00930 0.00030 0.00120 0.00110 O1 0.01180 0.00510 0.01310 0.00080 0.00370 0.00080 O2 0.00850 0.00700 0.01330 0.00050 0.00020 0.00290 H1 0.02100 0.01700 0.03300 0.00600 0.00100 -0.00100 H2 0.01900 0.03100 0.02400 -0.00300 0.00300 0.00800