Structural Diversity of Zn(II) Based Coordination Polymers Constructed from a Flexible Carboxylate Linker and Pyridyl Co-linkers : Fluorescence Sensing of Nitro-aromatics
Gupta, Anoop Kumar; Tomar, Kapil; Bharadwaj, Parimal K.; New J. Chem.  (2017) –; doi:10.1039/C7NJ02651J

data_7056624
_publ_section_title
;
 Structural Diversity of Zn(II) Based Coordination Polymers Constructed
 from a Flexible Carboxylate Linker and Pyridyl Co-linkers : Fluorescence
 Sensing of Nitro-aromatics
;
_journal_name_full               'New J. Chem.'
_journal_paper_doi               10.1039/C7NJ02651J
_journal_year                    2017
_chemical_formula_moiety         'C28 H21 N2 O9 Zn2'
_chemical_formula_sum            'C28 H21 N2 O9 Zn2'
_chemical_formula_weight         660.25
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2017-04-23
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_audit_update_record
;
2017-09-13 deposited with the CCDC.
2017-09-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 99.506(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   11.612(5)
_cell_length_b                   18.565(5)
_cell_length_c                   11.650(5)
_cell_measurement_reflns_used    764
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.488
_cell_measurement_theta_min      2.084
_cell_volume                     2477.0(16)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0574
_diffrn_reflns_av_unetI/netI     0.0512
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            20234
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.240
_diffrn_reflns_theta_max         25.488
_diffrn_reflns_theta_min         2.084
_exptl_absorpt_coefficient_mu    2.000
_exptl_absorpt_correction_T_max  0.712
_exptl_absorpt_correction_T_min  0.610
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0770 before and 0.0627 after correction.
The Ratio of minimum to maximum transmission is 0.7960.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.770
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1340
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.572
_refine_diff_density_min         -0.637
_refine_diff_density_rms         0.177
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.155
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     442
_refine_ls_number_reflns         4599
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.155
_refine_ls_R_factor_all          0.0587
_refine_ls_R_factor_gt           0.0372
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0675P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0923
_refine_ls_wR_factor_ref         0.1201
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3634
_reflns_number_total             4599
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj02651j2.cif
_cod_data_source_block           CP-1
_cod_database_code               7056624
_shelx_shelxl_version_number     2016/4
_shelx_estimated_absorpt_t_max   0.7124
_shelx_estimated_absorpt_t_min   0.6103
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C5(H5), C13(H13), C27(H27)
;
_shelx_res_checksum              73565
_olex2_submission_special_instructions 'No special instructions were received'