A series of coordination polymers assembled from 9,9-dimethylfluorene-2,7-dicarboxylic acid and various flexible bis(imidazole) ligands: synthesis, structures and properties
Guo, Huadong; Guo, Xianmin; Zou, Hengye; Qi, Yanjuan; Chen, Ruizhan; Zhao, Lun; Liu, Chunming; CrystEngComm 16 (2014) 7459–; doi:10.1039/C4CE00664J

data_7217570
_publ_section_title
;
 A series of coordination polymers assembled from
 9,9-dimethylfluorene-2,7-dicarboxylic acid and various flexible
 bis(imidazole) ligands: synthesis, structures and properties
;
_journal_issue                   32
_journal_name_full               CrystEngComm
_journal_page_first              7459
_journal_paper_doi               10.1039/C4CE00664J
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C22 H19 N2 O4 Zn'
_chemical_formula_sum            'C22 H19 N2 O4 Zn'
_chemical_formula_weight         440.76
_chemical_melting_point          ?
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.096(12)
_cell_length_b                   10.897(6)
_cell_length_c                   18.875(11)
_cell_measurement_reflns_used    4008
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      1.61
_cell_volume                     4339(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    SHELXP-97
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9.00cm
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  '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  0.1386
_diffrn_reflns_av_sigmaI/netI    0.1049
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            21479
_diffrn_reflns_theta_full        25.45
_diffrn_reflns_theta_max         25.45
_diffrn_reflns_theta_min         1.93
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.160
_exptl_absorpt_correction_T_max  0.764
_exptl_absorpt_correction_T_min  0.716
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1816
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.670
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         4008
_refine_ls_number_restraints     523
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1534
_refine_ls_R_factor_gt           0.0750
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0696P)^2^+4.6214P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1514
_refine_ls_wR_factor_ref         0.1844
_reflns_number_gt                2170
_reflns_number_total             4008
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7216407
_cod_data_source_file            c4ce00664j2.cif
_cod_data_source_block           c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7217570