A one-dimensional ladder-like coordination polymer: poly[[hexaaquabis(μ-5-nitrobenzene-1,3-dicarboxylato-κ^3^<i>O</i>,<i>O</i>',<i>O</i>'')(μ-oxalato-κ^4^<i>O</i>,<i>O</i>':<i>O</i>'',<i>O</i>''')diyttrium(III)] trihydrate]
Fu, Zhong; Lin, Ying; Zhou, Yun-You; Zhang, Hong-Tao; Acta Crystallographica Section E 64 (2008) m120–m121; doi:10.1107/S1600536807064306

data_2217375
_publ_section_title
;A one-dimensional ladder-like coordination polymer:
 poly[[hexaaquabis(\m-5-nitrobenzene-1,3-dicarboxylato-\k^3^<i>O</i>,<i>O</i>',<i>O</i>'')(\m-oxalato-\k^4^<i>O</i>,<i>O</i>':<i>O</i>'',<i>O</i>''')diyttrium(III)]
 trihydrate]
;
_journal_coeditor_code           XU2377
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m120
_journal_page_last               m121
_journal_paper_doi               10.1107/S1600536807064306
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          '[Y2 (C8 H3 N O6)2 (C2 O4) (H2 O)6], 3H2 O'
_chemical_formula_moiety         '2(C9 H9 N O11 Y), 3(H2 O)'
_chemical_formula_sum            'C18 H24 N2 O25 Y2'
_chemical_formula_weight         846.21
_chemical_name_systematic
;
poly[[hexaaquabis(\m-5-nitrobenzene-1,3-dicarboxylato-\k^3^O,O',O'')(\m-
oxalato-\k^4^O,O':O'',O''')diyttrium(III)] trihydrate]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.16(3)
_cell_angle_beta                 71.76(3)
_cell_angle_gamma                80.01(2)
_cell_formula_units_Z            1
_cell_length_a                   7.4270(15)
_cell_length_b                   9.2070(18)
_cell_length_c                   11.522(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      15.0
_cell_measurement_theta_min      2.3
_cell_volume                     716.5(3)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2000)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4 diffractometer'
_diffrn_measurement_method       '\w/2\q 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  0.0968
_diffrn_reflns_av_sigmaI/netI    0.0648
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3018
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         1.91
_diffrn_standards_decay_%        1.0
_diffrn_standards_interval_count 200
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    4.141
_exptl_absorpt_correction_T_max  0.60
_exptl_absorpt_correction_T_min  0.48
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(XCAD4; Harms & Wocadlo, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.961
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.672
_refine_diff_density_min         -0.643
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         2785
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0637
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0432P)^2^+2.6078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1115
_reflns_number_gt                2260
_reflns_number_total             2785
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2377.cif
_cod_data_source_block           I
_cod_database_code               2217375
_cod_database_fobs_code          2217375