data_1
_symmetry_space_group_name_H-M 'R 3 :R'
_cell_length_a  5.1(1)
_cell_length_b  5.0(1)
_cell_length_c  4.9(1)
_cell_angle_alpha 90.1(1)
_cell_angle_beta  90.2(1)
_cell_angle_gamma 90.4(1)
data_2
_symmetry_space_group_name_H-M 'I 4 3 2'
_cell_length_a  5.1(1)
_cell_length_b  5.0(1)
_cell_length_c  4.9(1)
_cell_angle_alpha 90.1(1)
_cell_angle_beta  90.2(1)
_cell_angle_gamma 90.4(1)
