In situ formation of new organic ligands to construct two novel self-charge-transfer Pb(ii)-based frameworks
Liu, Yi; Wei Tan, Melvin Jun; Wei, Fengxia; Tian, Yufeng; Wu, Tom; Kloc, Christian; Huo, Fengwei; Yan, Qingyu; Hng, Huey Hoon; Ma, Jan; Zhang, Qichun; CrystEngComm 14 (2012) 75–; doi:10.1039/c1ce06006f

data_7207117
_publ_section_title
;
 In situ formation of new organic ligands to construct two novel
 self-charge-transfer Pb(ii)-based frameworks
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              75
_journal_paper_doi               10.1039/c1ce06006f
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C9 H7 Cl2 N O5 Pb'
_chemical_formula_weight         487.25
_chemical_name_systematic
;
?
;
_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_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1370(16)
_cell_length_b                   14.468(3)
_cell_length_c                   10.377(2)
_cell_measurement_temperature    293(2)
_cell_volume                     1221.6(4)
_computing_cell_refinement       'Siemens SMART & SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens XPERP'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'APEX II CCD detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_sigmaI/netI    0.0312
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8992
_diffrn_reflns_theta_full        34.72
_diffrn_reflns_theta_max         34.72
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    14.258
_exptl_absorpt_correction_T_max  0.08
_exptl_absorpt_correction_T_min  0.05
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS(Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.649
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         2.394
_refine_diff_density_min         -0.773
_refine_diff_density_rms         0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         2553
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0432P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0657
_refine_ls_wR_factor_ref         0.0730
_reflns_number_gt                1911
_reflns_number_total             2553
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce06006f.txt
_cod_data_source_block           a
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constra' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               7207117