Metal‒organic coordination polymers based on a flexible tetrahydrofuran-2,3,4,5-tetracarboxylate ligand: syntheses, crystal structures, and magnetic/photoluminescent properties
Liu, Chun-Sen; Sañudo, E. Carolina; Hu, Min; Zhou, Li-Ming; Guo, Liang-Qi; Ma, Song-Tao; Gao, Li-Jun; Fang, Shao-Ming; CrystEngComm 12 (2010) 853–; doi:10.1039/b912972n

data_7211698
_publ_section_title
;
 Metal--organic coordination polymers based on a flexible
 tetrahydrofuran-2,3,4,5-tetracarboxylate ligand: syntheses, crystal
 structures, and magnetic/photoluminescent properties
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              853
_journal_paper_doi               10.1039/b912972n
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C20.25 H20 Cu2 N2 O12.75'
_chemical_formula_weight         622.46
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 124.92(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8222(18)
_cell_length_b                   23.392(5)
_cell_length_c                   15.038(5)
_cell_measurement_reflns_used    5766
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.0143
_cell_measurement_theta_min      2.8159
_cell_volume                     2544.6(13)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0400
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            25588
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.82
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.738
_exptl_absorpt_correction_T_max  0.9497
_exptl_absorpt_correction_T_min  0.8592
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            BLUE
_exptl_crystal_density_diffrn    1.625
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PRISM
_exptl_crystal_F_000             1262
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_platon_squeeze_details          ' ?'
_refine_diff_density_max         1.225
_refine_diff_density_min         -0.990
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         4486
_refine_ls_number_restraints     25
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0619
_refine_ls_R_factor_gt           0.0566
_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^)+(0.0914P)^2^+7.5056P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1653
_refine_ls_wR_factor_ref         0.1707
_reflns_number_gt                4134
_reflns_number_total             4486
_reflns_threshold_expression     i>2sigma(I)
_cod_data_source_file            b912972n.txt
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2544.6(11)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7211698