Poly[diaqua-μ~3~-nitrato-[μ~2~-5-(2-pyrazinyl)-5<i>H</i>-tetrazolato]lead(II)]
Liu, Ju-Tao; Fan, Sheng-Di; Ng, Seik Weng; Acta Crystallographica Section E 63 (2007) m1652–m1652; doi:10.1107/S1600536807023781

data_2213883
_publ_section_title
Poly[diaqua-\m~3~-nitrato-[\m~2~-5-(2-pyrazinyl)-5<i>H</i>-tetrazolato]lead(II)]
_journal_coeditor_code           LH2384
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1652
_journal_page_last               m1652
_journal_paper_doi               10.1107/S1600536807023781
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Pb (C5 H3 N6) (N O3) (H2 O)2]'
_chemical_formula_moiety         '(N O3) (H2 O)2 (C5 H3 N6) Pb'
_chemical_formula_sum            'C5 H7 N7 O5 Pb'
_chemical_formula_weight         452.37
_chemical_name_systematic
Poly[diaqua-\m~3~-nitrato-[\m~2~-5-(2-pyrazinyl)-5<i>H</i>-tetrazolato]lead(II)]
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 110.4840(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.2969(6)
_cell_length_b                   5.7523(2)
_cell_length_c                   15.7938(4)
_cell_measurement_reflns_used    4180
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.2
_cell_volume                     2152.92(11)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2006)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.033
_diffrn_reflns_av_sigmaI/netI    0.025
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            8341
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         1.7
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    15.704
_exptl_absorpt_correction_T_max  0.188
_exptl_absorpt_correction_T_min  0.056
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.791
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         2.05
_refine_diff_density_min         -1.44
_refine_ls_extinction_coef       0.00140(8)
_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   1.04
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         2475
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.04
_refine_ls_R_factor_all          0.034
_refine_ls_R_factor_gt           0.027
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0495P)^2^+3.9882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.073
_refine_ls_wR_factor_ref         0.078
_reflns_number_gt                2011
_reflns_number_total             2475
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2384.cif
_cod_data_source_block           I
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2152.90(10)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2213883
_cod_database_fobs_code          2213883