data_3000111
loop_
_publ_author_name
'Rimma Bubnova, Sergey Volkov, Barbara Albert, Stanislav Filatov'
_publ_section_title
;
 ?
;
_journal_name_full               'To be published in Crystals'
_diffrn_ambient_temperature      223
_cell_measurement_temperature    223
_chemical_name_systematic        ' ?'
_chemical_formula_sum            'Al2 B2 K2 O7'
_symmetry_space_group_name_Hall  'P 3 2"'
_symmetry_space_group_name_H-M   'P 3 2 1'
_cell_length_a                   8.5683(12)
_cell_length_b                   8.5683(12)
_cell_length_c                   8.4633(13)
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_volume                     538.10(13)
_diffrn_radiation_probe          x-ray
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_type           'Mo K\a'
_refine_ls_R_factor_all          0.0253
_refine_ls_R_factor_gt           0.0214
_refine_ls_wR_factor_gt          0.0215
_refine_ls_wR_factor_ref         0.0220
_refine_ls_goodness_of_fit_ref   1.22
_refine_ls_goodness_of_fit_gt    1.25
_cod_hold_until_date             2017-07-06
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
? ? ? ?