The first 2D trinuclear Cd(ii)-complex with adenine nucleobase: hydrothermal synthesis, crystal structure and fluorescent properties
Yang, En-Cui; Zhao, Hong-Kun; Ding, Bin; Wang, Xiu-Guang; Zhao, Xiao-Jun; New Journal of Chemistry 31 (2007) 1887–; doi:10.1039/b712387f

data_7052216
_publ_section_title
;
 The first 2D trinuclear Cd(ii)-complex with adenine nucleobase:
 hydrothermal synthesis, crystal structure and fluorescent properties
;
_journal_issue                   11
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1887
_journal_paper_doi               10.1039/b712387f
_journal_volume                  31
_journal_year                    2007
_chemical_formula_sum            'C11 H15.5 Cd1.5 N5 O5.75'
_chemical_formula_weight         478.38
_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                 92.618(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.250(2)
_cell_length_b                   12.011(3)
_cell_length_c                   14.326(4)
_cell_measurement_reflns_used    2065
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.91
_cell_measurement_theta_min      2.20
_cell_volume                     1590.0(7)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            8203
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    2.061
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.793127
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.998
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             938
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.595
_refine_diff_density_min         -0.889
_refine_diff_density_rms         0.105
_refine_ls_extinction_coef       0.0045(5)
_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   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         2788
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0102P)^2^+4.7256P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0836
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                2193
_reflns_number_total             2788
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b712387f.txt
_cod_data_source_block           60505d
_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.

'_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 2.4.1 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:

'_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)/c
_cod_original_formula_sum        'C11 H15.50 Cd1.50 N5 O5.75'
_cod_database_code               7052216