Inorganic‒organic hybrid materials incorporating primary cyclic ammonium cations: The lead bromide and chloride series
Billing, David G.; Lemmerer, Andreas; CrystEngComm 11 (2009) 1549–; doi:10.1039/b819455f

data_7200639
_publ_section_title
;
 Inorganic--organic hybrid materials incorporating primary cyclic
 ammonium cations: The lead bromide and chloride series
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              1549
_journal_paper_doi               10.1039/b819455f
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'Cl8 Pb2, 4(C6 H14 N)'
_chemical_formula_sum            'C24 H56 Cl8 N4 Pb2'
_chemical_formula_weight         1098.71
_chemical_name_common            bis(cyclohexylammonium)tetrachloroplumbate(ii)
_chemical_name_systematic
;
bis(cyclohexylammonium)tetrachloroplumbate(II)
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_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             2005-09-05T06:17:50-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90.031(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.4446(11)
_cell_length_b                   28.306(3)
_cell_length_c                   11.5206(10)
_cell_measurement_reflns_used    975
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.2275
_cell_measurement_theta_min      2.8785
_cell_volume                     3732.1(6)
_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 0.985
_diffrn_measured_fraction_theta_max 0.985
_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  0.0594
_diffrn_reflns_av_unetI/netI     0.0432
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            23552
_diffrn_reflns_theta_full        25.5
_diffrn_reflns_theta_max         25.5
_diffrn_reflns_theta_min         0.72
_exptl_absorpt_coefficient_mu    9.605
_exptl_absorpt_correction_T_max  0.2797
_exptl_absorpt_correction_T_min  0.1598
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Bruker XPREP (Bruker, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.955
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.872
_refine_diff_density_min         -1.966
_refine_diff_density_rms         0.218
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.153
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     362
_refine_ls_number_reflns         6980
_refine_ls_number_restraints     303
_refine_ls_restrained_S_all      1.13
_refine_ls_R_factor_all          0.0377
_refine_ls_R_factor_gt           0.032
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0223P)^2^+17.2800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0767
_reflns_number_gt                6348
_reflns_number_total             6980
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b819455f.txt
_cod_data_source_block           10
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7200639