Construction of Metal−Organic Frameworks with 1D Chain, 2D Grid, and 3D Porous Framework Based on a Flexible Imidazole Ligand and Rigid Benzenedicarboxylates
He, Haiyan; Collins, David; Dai, Fangna; Zhao, Xiaoliang; Zhang, Guoqing; Ma, Huiqing; Sun, Daofeng; Crystal Growth & Design 10 (2010) 895–; doi:10.1021/cg901227h

data_4502449
_publ_section_title
;
 Construction of Metal&#x2212;Organic Frameworks with 1D Chain, 2D Grid,
 and 3D Porous Framework Based on a Flexible Imidazole Ligand and Rigid
 Benzenedicarboxylates
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              895
_journal_paper_doi               10.1021/cg901227h
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C28 H30 N4 Ni O4'
_chemical_formula_weight         545.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 98.893(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.351(4)
_cell_length_b                   7.3805(16)
_cell_length_c                   18.116(4)
_cell_measurement_reflns_used    966
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      18.31
_cell_measurement_theta_min      2.80
_cell_volume                     2688.3(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0715
_diffrn_reflns_av_sigmaI/netI    0.1253
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7529
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.762
_exptl_absorpt_correction_T_max  0.9277
_exptl_absorpt_correction_T_min  0.9277
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.546
_refine_diff_density_min         -0.449
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         4743
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1182
_refine_ls_R_factor_gt           0.0659
_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^)+(0.0600P)^2^+0.5658P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1345
_refine_ls_wR_factor_ref         0.1586
_reflns_number_gt                2923
_reflns_number_total             4743
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg901227h_si_001.cif
_cod_data_source_block           test
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               4502449