Zn(ii) and Cd(ii) coordination polymers assembled by di(1H-imidazol-1-yl)methane and carboxylic acid ligands.
Zhang, Xiao-Feng; Song, Wei-Chao; Yang, Qian; Bu, Xian-He; Dalton transactions (Cambridge, England : 2003) 41 (2012) 4217–4223; doi:10.1039/c2dt11990k

data_7018446
_publ_section_title
;
 Zn(ii) and Cd(ii) coordination polymers assembled by
 di(1H-imidazol-1-yl)methane and carboxylic acid ligands.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4217
_journal_page_last               4223
_journal_paper_doi               10.1039/c2dt11990k
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C25 H18 N4 O12 Zn'
_chemical_formula_weight         631.80
_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                 101.35(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.100(2)
_cell_length_b                   22.427(5)
_cell_length_c                   11.398(2)
_cell_measurement_reflns_used    17936
_cell_measurement_temperature    293.1
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      3.1
_cell_volume                     2531.3(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  SCX-MINI
_diffrn_measurement_method       multi-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  0.0956
_diffrn_reflns_av_sigmaI/netI    0.0674
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            21457
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    1.047
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.658
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.150
_refine_diff_density_min         -0.559
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         4447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.1131
_refine_ls_R_factor_gt           0.0707
_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^)+(0.0546P)^2^+3.2771P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1341
_refine_ls_wR_factor_ref         0.1490
_reflns_number_gt                3084
_reflns_number_total             4447
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11990k.txt
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      p21/n
_cod_database_code               7018446