data_check
_cell_length_a      11
_cell_length_b      14.999
_cell_length_c      15
_cell_angle_alpha   90
_cell_angle_beta    90
_cell_angle_gamma   90
_publ_author_name   'Name Surname'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
loop_
_refln_index_h
_refln_index_k
_refln_index_l
    ?   ?   ?
