Unusual Polymeric ZnII/CdIIComplexes with 2,6-Diaminopurine by Synergistic Coordination of Nucleobases and Polycarboxylate Anions: Binding Behavior, Self-Assembled Pattern of the Nucleobase, and Luminscent Properties
Yang, En-Cui; Chan, Ya-Nan; Liu, Hui; Wang, Zhi-Chao; Zhao, Xiao-Jun; Crystal Growth & Design 9 (2009) 4933–; doi:10.1021/cg9007119

data_4509717
_publ_section_title
;
 Unusual Polymeric ZnII/CdIIComplexes with 2,6-Diaminopurine by
 Synergistic Coordination of Nucleobases and Polycarboxylate Anions:
 Binding Behavior, Self-Assembled Pattern of the Nucleobase, and
 Luminscent Properties
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4933
_journal_paper_doi               10.1021/cg9007119
_journal_volume                  9
_journal_year                    2009
_chemical_formula_sum            'C21 H14 N6 O8 Zn2'
_chemical_formula_weight         609.12
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 101.7870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.3203(4)
_cell_length_b                   19.1072(10)
_cell_length_c                   15.7652(8)
_cell_measurement_reflns_used    8336
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.93
_cell_measurement_theta_min      2.51
_cell_volume                     2158.6(2)
_computing_cell_refinement       'Bruker SMART APEX II'
_computing_data_collection       'Bruker SMART APEX II'
_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      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'APEX II 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  0.0221
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10951
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    2.288
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.603618
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            PALE-YELLOW
_exptl_crystal_density_diffrn    1.874
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1224
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.710
_refine_diff_density_rms         0.135
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         3809
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0234
_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^)+(0.0348P)^2^+1.3762P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0618
_refine_ls_wR_factor_ref         0.0630
_reflns_number_gt                3560
_reflns_number_total             3809
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg9007119sup1.cif
_cod_data_source_block           Complex2
_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.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'NONE' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4509717