data_check
_cell_length_a      10
_cell_length_b      10
_cell_length_c      10
_cell_angle_alpha   90
_cell_angle_beta    90
_cell_angle_gamma   90
_publ_author_name   'Name Surname'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
loop_
_refln_index_h
_refln_index_k
_refln_index_l
    ?   ?   ?
