Effect of heteroatoms in the inorganic‒organic layered perovskite-type hybrids [(ZCnH2nNH3)2PbI4], n = 2, 3, 4, 5, 6; Z = OH, Br and I; and [(H3NC2H4S2C2H4NH3)PbI4]
Lemmerer, Andreas; Billing, David G.; CrystEngComm 12 (2010) 1290–; doi:10.1039/b917824d

data_7212008
_publ_section_title
;
 Effect of heteroatoms in the inorganic--organic layered perovskite-type
 hybrids [(ZCnH2nNH3)2PbI4], n = 2, 3, 4, 5, 6; Z = OH, Br and I; and
 [(H3NC2H4S2C2H4NH3)PbI4]
;
_journal_issue                   4
_journal_name_full               CrystEngComm
_journal_page_first              1290
_journal_paper_doi               10.1039/b917824d
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'I4 Pb, 2(C2 H7 Br N)'
_chemical_formula_sum            'C4 H14 Br2 I4 N2 Pb'
_chemical_formula_weight         964.78
_chemical_name_common            bis(2-bromoethylammonium)tetraiodoplumbate(ii)
_chemical_name_systematic
;
bis(2-bromoethylammonium)tetraiodoplumbate(II)
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2005-08-28T21:22:31-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8543(7)
_cell_length_b                   20.7714(13)
_cell_length_c                   6.4866(4)
_cell_measurement_reflns_used    3519
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.2
_cell_measurement_theta_min      3.14
_cell_volume                     1731.93(18)
_computing_cell_refinement       'Bruker SAINT+ (Bruker, 1999)'
_computing_data_collection       'Bruker SMART-NT (Bruker, 1998)'
_computing_data_reduction        'Bruker SAINT+ (Bruker, 1999)'
_computing_molecular_graphics
;
Ortep-3 for Windows (Farrugia, 1997) and DIAMOND (Brandenburg, 1999)
;
_computing_publication_material
;
WinGX publication routines (Farrugia, 1999) and PLATON (Spek, 2002)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0717
_diffrn_reflns_av_unetI/netI     0.0432
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            8051
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    21.459
_exptl_absorpt_correction_T_max  0.6466
_exptl_absorpt_correction_T_min  0.0302
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Bruker XPREP (Bruker, 1999)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    3.7
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       triangle
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.02
_refine_diff_density_max         3.876
_refine_diff_density_min         -3.079
_refine_diff_density_rms         0.506
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     64
_refine_ls_number_reflns         2152
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0538
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0682P)^2^+60.3506P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.143
_refine_ls_wR_factor_ref         0.1485
_reflns_number_gt                1855
_reflns_number_total             2152
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b917824d.txt
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               7212008