Coordination polymers with pyridine-2,4,6-tricarboxylic acid and alkaline-earth/lanthanide/transition metals: synthesis and X-ray structures
Das, Madhab C.; Ghosh, Sujit K.; Sañudo, E. Carolina; Bharadwaj, Parimal K.; Dalton Transactions  (2009) 1644–1658; doi:10.1039/b814066a

data_7000632
_publ_section_title
;
 Coordination polymers with pyridine-2,4,6-tricarboxylic acid and
 alkaline-earth/lanthanide/transition metals: synthesis and X-ray
 structures
;
_journal_issue                   9
_journal_name_full               'Dalton Transactions'
_journal_page_first              1644
_journal_page_last               1658
_journal_paper_doi               10.1039/b814066a
_journal_year                    2009
_chemical_formula_sum            'C16 H22 N2 O21 Sr3'
_chemical_formula_weight         841.22
_chemical_name_systematic
;
?
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.493(5)
_cell_length_b                   6.820(6)
_cell_length_c                   22.220(7)
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.2
_cell_volume                     2499(2)
_computing_cell_refinement       'SAINT 6.45 ( Bruker, 2003)'
_computing_data_collection       'SMART 5.628 (Bruker, 2003)'
_computing_data_reduction        'SAINT 6.45 (Bruker, 2003)'
_computing_molecular_graphics    'Diamond 2.1e'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      100(1)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method       /w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0549
_diffrn_reflns_av_sigmaI/netI    0.0457
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            15344
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    6.485
_exptl_absorpt_correction_T_max  0.5632
_exptl_absorpt_correction_T_min  0.4638
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS 2.10 (Bruker 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular parallelopipeds'
_exptl_crystal_F_000             1656
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.656
_refine_diff_density_min         -0.465
_refine_diff_density_rms         0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         3087
_refine_ls_number_restraints     11
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0368
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0128P)^2^+5.2780P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.1050
_reflns_number_gt                2302
_reflns_number_total             3087
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b814066a.txt
_cod_data_source_block           complex8
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7000632