Ten new coordination polymers based on 3-carboxy-1-(4′-carboxybenzyl)-2-oxidopyridinium and different N-donor ligands: syntheses, structures, and photoluminescent properties
Gao, Jia-Zhen; Yang, Jin; Liu, Ying-Ying; Ma, Jian-Fang; CrystEngComm 14 (2012) 8173–; doi:10.1039/c2ce25953b

data_7214955
_publ_section_title
;
 Ten new coordination polymers based on
 3-carboxy-1-(4&#x2032;-carboxybenzyl)-2-oxidopyridinium and different
 N-donor ligands: syntheses, structures, and photoluminescent properties
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              8173
_journal_paper_doi               10.1039/c2ce25953b
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C18 H19 N4 O7.50 Zn'
_chemical_formula_sum            'C18 H19 N4 O7.5 Zn'
_chemical_formula_weight         476.74
_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                 128.355(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.951(3)
_cell_length_b                   7.6653(3)
_cell_length_c                   21.991(4)
_cell_measurement_reflns_used    1617
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.0834
_cell_measurement_theta_min      2.7990
_cell_volume                     3827.0(13)
_computing_cell_refinement       CrysAlis
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2006)'
_computing_data_reduction        CrysAlis
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Gemini R Ultra'
_diffrn_measurement_method       '\w scan'
_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  0.0568
_diffrn_reflns_av_sigmaI/netI    0.0821
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            7966
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.80
_exptl_absorpt_coefficient_mu    1.338
_exptl_absorpt_correction_T_max  0.8668
_exptl_absorpt_correction_T_min  0.8453
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis (Oxford Diffraction, 2006)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1960
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3365
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0834
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0270P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0813
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                2358
_reflns_number_total             3365
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2ce25953b.txt
_cod_data_source_block           Compound-4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        3826.9(13)
_cod_original_sg_symbol_Hall     '-c 2yc'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C18 H19 N4 O7.50 Zn'
_cod_database_code               7214955