Crystal-to-crystal transformation from a chain polymer to a two-dimensional network by thermal desolvation.
Aslani, Alireza; Morsali, Ali; Chemical communications (Cambridge, England)  (2008) 3402–3404; doi:10.1039/b800126j

data_7103242
_publ_section_title
;
 Crystal-to-crystal transformation from a chain polymer to a
 two-dimensional network by thermal desolvation.
;
_journal_issue                   29
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3402
_journal_page_last               3404
_journal_paper_doi               10.1039/b800126j
_journal_year                    2008
_chemical_formula_moiety         'C9 H6 N2 O4 Pb'
_chemical_formula_sum            'C9 H6 N2 O4 Pb'
_chemical_formula_weight         413.35
_chemical_name_systematic
;
?
;
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.50(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.9504(19)
_cell_length_b                   9.6520(18)
_cell_length_c                   11.558(2)
_cell_measurement_reflns_used    3262
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.86
_cell_measurement_theta_min      2.58
_cell_volume                     1001.9(3)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL(Bruker, 2002)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5077
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.27
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.839
_exptl_absorpt_correction_T_max  0.1588
_exptl_absorpt_correction_T_min  0.0869
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.740
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.494
_refine_diff_density_min         -1.473
_refine_diff_density_rms         0.195
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1767
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.119
_refine_ls_R_factor_all          0.0280
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0626
_refine_ls_wR_factor_ref         0.0642
_reflns_number_gt                1594
_reflns_number_total             1767
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b800126j.txt
_cod_data_source_block           1a
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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      'P 21/c'
_cod_database_code               7103242