pH-Dependent Binary Metal−Organic Compounds Assembled from Different Helical Units: Structural Variation and Supramolecular Isomers
Li, Shun-Li; Tan, Ke; Lan, Ya-Qian; Qin, Jun-Sheng; Li, Mei-Na; Du, Dong-Ying; Zang, Hong-Ying; Su, Zhong-Min; Crystal Growth & Design 10 (2010) 1699–; doi:10.1021/cg9012763

data_4502467
_publ_section_title
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 pH-Dependent Binary Metal&#x2212;Organic Compounds Assembled from
 Different Helical Units: Structural Variation and Supramolecular Isomers
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1699
_journal_paper_doi               10.1021/cg9012763
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C26 H20 Cd N2 O6'
_chemical_formula_weight         568.84
_chemical_name_systematic
;
 ?
;
_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                 100.7370(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.4720(3)
_cell_length_b                   7.2970(4)
_cell_length_c                   17.6590(4)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.37
_cell_volume                     2211.99(14)
_computing_cell_refinement       'SMART (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL-PLUS (Sheldrick, 1990)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97(Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_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  0.0190
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6562
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.37
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.035
_exptl_absorpt_correction_T_max  0.756
_exptl_absorpt_correction_T_min  0.725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.708
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.446
_refine_diff_density_min         -0.400
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     159
_refine_ls_number_reflns         2597
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0225
_refine_ls_R_factor_gt           0.0208
_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^)+(0.0256P)^2^+1.5475P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0522
_refine_ls_wR_factor_ref         0.0531
_reflns_number_gt                2460
_reflns_number_total             2597
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg9012763_si_001.cif
_cod_data_source_block           1
_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 
;
_cod_original_sg_symbol_Hall     -C2yc
_cod_original_sg_symbol_H-M      C2/C
_cod_database_code               4502467