data_global
_chemical_name_mineral 'Ramanite-(Rb)'
loop_
_publ_author_name
'Helmut B'
_journal_name_full 'Acta Crystallographica, Section C'
_journal_volume 40 
_journal_year 1984
_journal_page_first 217
_journal_page_last 220
_publ_section_title
;
 Rubidium pentaborate tetrahydrate, Rb[B5O6(OH)4]*2H2O
 Loclaity: synthetic
;
_database_code_amcsd 0020207
_chemical_formula_sum 'Rb B5 O12 H8'
_cell_length_a 11.302
_cell_length_b 10.962
_cell_length_c 9.335
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1156.537
_exptl_crystal_density_diffrn      1.950
_symmetry_space_group_name_H-M 'A b a 2'
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'
  '1/2-x,1/2+y,z'
  '1/2-x,+y,1/2+z'
  '-x,-y,z'
  '-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
Rb1   0.00000   0.00000   0.00000   0.03700
B1   0.00000   0.00000   0.40510   0.02200
B2   0.18500   0.09410   0.31530   0.02300
B3   0.19940   0.94200   0.49400   0.02700
O1   0.06590   0.08520   0.31260   0.02500
O2   0.08060   0.92930   0.49730   0.02700
O3   0.25300   0.02500   0.40470   0.03100
O4   0.23890   0.17480   0.22600   0.04000
O5   0.27510   0.87950   0.57750   0.05000
O6   0.02300   0.17320   0.74880   0.03600
H1   0.00880   0.25920   0.74880   0.04700
H2   0.99040   0.14050   0.68120   0.04100
H3   0.20090   0.16870   0.73080   0.04700
H4   0.25290   0.33220   0.11080   0.04600
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
Rb1 0.01900 0.05900 0.03200 0.00400 0.00000 0.00000
B1 0.01700 0.02500 0.02600 -0.00400 0.00000 0.00000
B2 0.02200 0.02300 0.02600 0.00100 0.00200 0.00400
B3 0.02100 0.02900 0.03100 -0.00100 -0.00200 0.00800
O1 0.01600 0.02600 0.03200 0.00100 -0.00100 0.01000
O2 0.01700 0.03300 0.03100 -0.00300 0.00000 0.01300
O3 0.01500 0.03600 0.04100 -0.00400 -0.00200 0.02100
O4 0.02000 0.04400 0.05600 -0.00100 0.00000 0.02500
O5 0.02300 0.05700 0.06900 -0.00800 -0.00800 0.04700
O6 0.02700 0.03400 0.04700 0.00600 -0.01000 -0.00600