Construction of transition-metal coordination polymers using multifunctional imidazole dicarboxylates as spacers
Xiong, Zhifang; Shi, Bingbing; Li, Li; Zhu, Yanyan; Li, Gang; CrystEngComm 15 (2013) 4885–; doi:10.1039/c3ce40511g

data_7210221
_publ_section_title
;
 Construction of transition-metal coordination polymers using
 multifunctional imidazole dicarboxylates as spacers
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4885
_journal_paper_doi               10.1039/c3ce40511g
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C26 H22 N4 O12 Sr'
_chemical_formula_weight         670.10
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :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                   16.820(5)
_cell_length_b                   16.820(5)
_cell_length_c                   18.022(6)
_cell_measurement_temperature    298(2)
_cell_volume                     5099(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.1342
_diffrn_reflns_av_sigmaI/netI    0.0967
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12157
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    2.194
_exptl_absorpt_correction_T_max  0.6681
_exptl_absorpt_correction_T_min  0.4740
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.746
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2720
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.011
_refine_diff_density_min         -2.391
_refine_diff_density_rms         0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         2244
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.1443
_refine_ls_R_factor_gt           0.0763
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+171.2025P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1590
_refine_ls_wR_factor_ref         0.1995
_reflns_number_gt                1368
_reflns_number_total             2244
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40511g.txt
_cod_data_source_block           a3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      I4(1)/a
_cod_database_code               7210221