A Molecular Helix: Self-Assembly of Coordination Polymers from d10Metal Ions and 1,10-Phenanthroline-5,6-dione (pdon) with the Bridges of SCN−and Cl−Anions
Ma, Qi; Zhu, Miaoli; Yuan, Caixia; Feng, Sisi; Lu, Liping; Wang, Qingming; Crystal Growth & Design 10 (2010) 1706–; doi:10.1021/cg901297y

data_4502495
_publ_section_title
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 A Molecular Helix: Self-Assembly of Coordination Polymers from d10Metal
 Ions and 1,10-Phenanthroline-5,6-dione (pdon) with the Bridges of
 SCN&#x2212;and Cl&#x2212;Anions
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_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1706
_journal_paper_doi               10.1021/cg901297y
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C28 H12 Cd2 N8 O4 S4'
_chemical_formula_weight         877.50
_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                 91.2530(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.1392(15)
_cell_length_b                   13.0766(14)
_cell_length_c                   17.2116(18)
_cell_measurement_reflns_used    2812
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.425
_cell_measurement_theta_min      2.367
_cell_volume                     2956.5(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'CCD area 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  0.0940
_diffrn_reflns_av_sigmaI/netI    0.1217
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            14189
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    1.773
_exptl_absorpt_correction_T_max  0.7526
_exptl_absorpt_correction_T_min  0.6859
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.971
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         5.593
_refine_diff_density_min         -1.460
_refine_diff_density_rms         0.236
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.884
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         5057
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.885
_refine_ls_R_factor_all          0.1737
_refine_ls_R_factor_gt           0.0915
_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^)+(0.1513P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2166
_refine_ls_wR_factor_ref         0.2491
_reflns_number_gt                2360
_reflns_number_total             5057
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg901297y_si_002.cif
_cod_data_source_block           2-Cd
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4502495