PbnI4n+2(2n+2)- ribbons (n = 3, 5) as dimensional reductions of 2D perovskite layers in cystamine cation based hybrids, also incorporating iodine molecules or reversible guest water molecules.
Louvain, Nicolas; Bi, Wenhua; Mercier, Nicolas; Buzaré, Jean-Yves; Legein, Christophe; Corbel, Gwenaël; Dalton transactions (Cambridge, England : 2003)  (2007) 965–970; doi:10.1039/b617225c

data_7005151
_publ_section_title
;
 PbnI4n+2(2n+2)- ribbons (n = 3, 5) as dimensional reductions of 2D
 perovskite layers in cystamine cation based hybrids, also
 incorporating iodine molecules or reversible guest water molecules.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              965
_journal_page_last               970
_journal_paper_doi               10.1039/b617225c
_journal_year                    2007
_chemical_formula_moiety         'C24 H92 I22 N12 O4 Pb5 S12'
_chemical_formula_sum            'C24 H92 I22 N12 O4 Pb5 S12'
_chemical_formula_weight         4825.5
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_audit_creation_date             2007-01-16T10:44:49-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 100.98(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   23.232(1)
_cell_length_b                   8.7714(3)
_cell_length_c                   25.812(1)
_cell_measurement_temperature    293(2)
_cell_volume                     5163.6(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  area_detector
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1123
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            83432
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    14.975
_exptl_absorpt_correction_T_max  0.5534
_exptl_absorpt_correction_T_min  0.0307
_exptl_absorpt_correction_type   gaussian
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    3.098
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4224
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.825
_refine_diff_density_min         -2.135
_refine_ls_extinction_coef       0.000014(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.965
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         15029
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.965
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0.01
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0291P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                6869
_reflns_number_total             15029
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617225c.txt
_cod_data_source_block           2
_cod_original_cell_volume        5163.6(7)
_cod_database_code               7005151