Anion-dependent assembly and solvent-mediated structural transformations of three Cd(ii) coordination polymers based on 1H-imidazole-4-carboxylic acid
Cai, Song-Liang; Pan, Mei; Zheng, Sheng-Run; Tan, Jing-Bo; Fan, Jun; Zhang, Wei-Guang; CrystEngComm 14 (2012) 2308–; doi:10.1039/c2ce06129e

data_7207403
_publ_section_title
;
 Anion-dependent assembly and solvent-mediated structural transformations
 of three Cd(ii) coordination polymers based on 1H-imidazole-4-carboxylic
 acid
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              2308
_journal_paper_doi               10.1039/c2ce06129e
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C8 H6 Cd N4 O4'
_chemical_formula_weight         334.57
_chemical_name_systematic
;
?
;
_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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                   11.2987(13)
_cell_length_b                   19.407(2)
_cell_length_c                   8.4415(10)
_cell_measurement_reflns_used    2125
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.86
_cell_measurement_theta_min      3.19
_cell_volume                     1851.0(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0242
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2300
_diffrn_reflns_theta_full        25.19
_diffrn_reflns_theta_max         25.19
_diffrn_reflns_theta_min         3.19
_exptl_absorpt_coefficient_mu    2.370
_exptl_absorpt_correction_T_max  0.5566
_exptl_absorpt_correction_T_min  0.4824
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Higashi, T. (1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.401
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.649
_refine_diff_density_min         -0.555
_refine_diff_density_rms         0.108
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     78
_refine_ls_number_reflns         785
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0246
_refine_ls_R_factor_gt           0.0240
_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^)+(0.0557P)^2^+4.8530P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                767
_reflns_number_total             785
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06129e.txt
_cod_data_source_block           cslCd2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'Fdd2 '
_cod_database_code               7207403