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_7005152
_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 H88 I22 N12 O2 Pb5 S12'
_chemical_formula_sum            'C24 H88 I22 N12 O2 Pb5 S12'
_chemical_formula_weight         4789.58
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_audit_creation_date             2006-06-22T11:36:37-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 100.3660(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   23.25610(10)
_cell_length_b                   8.77790(10)
_cell_length_c                   25.57040(10)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     5134.74(7)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      353(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0888
_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       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            101625
_diffrn_reflns_theta_full        30.04
_diffrn_reflns_theta_max         30.04
_diffrn_reflns_theta_min         2.83
_exptl_absorpt_coefficient_mu    15.057
_exptl_absorpt_correction_T_max  0.513
_exptl_absorpt_correction_T_min  0.1784
_exptl_absorpt_correction_type   gaussian
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    3.102
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             4212
_exptl_crystal_size_max          0.275
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.045
_refine_diff_density_max         1.5
_refine_diff_density_min         -1.28
_refine_ls_extinction_coef       0.000017(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   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         14785
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_gt           0.0553
_refine_ls_shift/su_max          0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0241P)^2^+36.4307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1029
_reflns_number_gt                7310
_reflns_number_total             14785
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b617225c.txt
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7005152