Homomeric Chains of intermolecular bonds scaffold octahedral germanium perovskites
Morteza Najarian, Amin; Dinic, Filip; Chen, Hao; Sabatini, Randy; Zheng, Chao; Lough, Alan J.; Maris, Thierry; Saidaminov, Makhsud I.; Garcia de Arquer, F. Pelayo; Voznyy, Oleksandr; Hoogland, Sjoerd; Sargent, Edward H.; Nature 620 (2023) 328–335; doi:10.1038/s41586-023-06209-y

data_1570744
_publ_section_title
;
 Homomeric Chains of intermolecular bonds scaffold octahedral germanium
 perovskites
;
_journal_name_full               Nature
_journal_page_first              328
_journal_page_last               335
_journal_paper_doi               10.1038/s41586-023-06209-y
_journal_volume                  620
_journal_year                    2023
_chemical_formula_moiety         'Ge3 I12, 4(C3 H12 N2), 2(I), 2(H2 O)'
_chemical_formula_sum            'C12 H52 Ge3 I14 N8 O2'
_chemical_formula_weight         2334.98
_chemical_name_systematic
;
catena-[tetrakis(1,3-(propane-1,3-diaminium)  
bis(m-iodo)-bis(iodo)-germanium(ii)] dihydrate
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2019/1
_cell_angle_alpha                90.206(3)
_cell_angle_beta                 104.865(3)
_cell_angle_gamma                109.288(3)
_cell_formula_units_Z            1
_cell_length_a                   8.3890(8)
_cell_length_b                   11.1217(11)
_cell_length_c                   14.7309(12)
_cell_measurement_reflns_used    7073
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.41
_cell_measurement_theta_min      2.31
_cell_volume                     1247.9(2)
_computing_cell_refinement       APEX4
_computing_data_collection       'APEX4 (Bruker AXS, 2021)'
_computing_data_reduction        APEX4
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2015b)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2015a)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa APEX-DUO CMOS PHOTON II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0382
_diffrn_reflns_av_unetI/netI     0.0370
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            24678
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.489
_diffrn_reflns_theta_min         1.949
_diffrn_source                   'sealed tube with Bruker Triumph monochromator'
_exptl_absorpt_coefficient_mu    10.477
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5904
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Krause et al., 2015)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    3.107
_exptl_crystal_description       Shard
_exptl_crystal_F_000             1034
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.645
_refine_diff_density_min         -0.753
_refine_diff_density_rms         0.163
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         5699
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0236
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0100P)^2^+0.7413P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0411
_refine_ls_wR_factor_ref         0.0426
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                4690
_reflns_number_total             5699
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            20-_DiAPr_GeI4.cif
_cod_data_source_block           diapr
_cod_database_code               1570744