data_3000611 loop_ _publ_author_name 'Lee, Y.-H.' 'Kim, J. K.' 'Kim, Y.-J.' 'Lee, G. W.' _journal_name_full 'To be published in Nature Materials' _chemical_formula_sum 'H2 O' _chemical_name_common Water _chemical_name_systematic Oxidane _space_group_name_Hall 'I -4 2bw' _space_group_name_H-M_alt 'I -4 2 d' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 20.1966(16) _cell_length_b 20.1966(16) _cell_length_c 7.8912(6) _cell_measurement_temperature 293(2) _cell_volume 3218.8(4) _diffrn_ambient_temperature 293(2) _diffrn_radiation_probe x-ray _diffrn_radiation_type synchrotron _diffrn_radiation_wavelength 0.2896 _refine_ls_goodness_of_fit_ref 1.328 _refine_ls_R_factor_all 0.1275 _refine_ls_R_factor_gt 0.0941 _refine_ls_wR_factor_gt 0.2678 _refine_ls_wR_factor_ref 0.3422 _cod_database_code 3000611 _cod_hold_until_date 2026-02-05 _cod_depositor_requested_release_date 2026-02-05 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z ? ? ? ?