Poly[diaqua(μ~6~-benzene-1,2,4,5-tetracarboxylato)(μ~6~-2,5-dicarboxybenzene-1,4-dicarboxylato)disamarium]
Yu-Mei Dai; Xiao-Qin Wang; Jin-Feng Huang; Acta Crystallographica Section E 61 (2005) m2548–m2549; doi:10.1107/S1600536805036081

data_2207432
_publ_section_title
Poly[diaqua(\m~6~-benzene-1,2,4,5-tetracarboxylato)(\m~6~-2,5-dicarboxybenzene-1,4-dicarboxylato)disamarium]
_journal_coeditor_code           BD6013
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m2548
_journal_page_last               m2549
_journal_paper_doi               10.1107/S1600536805036081
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          '[Sm2 (C10 H2 O8) (C10 H4 O8) (H2 O)2]'
_chemical_formula_sum            'C20 H10 O18 Sm2'
_chemical_formula_weight         1678
_chemical_name_systematic
;
Poly[aquahemi(\m~6~-benzene-1,2,4,5-tetracarboxylato)hemi(\m~6~-
2,5-dicarboxybenzene-1,4-dicarboxylato)samarium]
;
_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                88.316(2)
_cell_angle_beta                 73.963(2)
_cell_angle_gamma                76.626(2)
_cell_formula_units_Z            1
_cell_length_a                   6.3222(8)
_cell_length_b                   9.2626(11)
_cell_length_c                   9.4421(12)
_cell_measurement_reflns_used    2333
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.15
_cell_measurement_theta_min      2.25
_cell_volume                     516.65(11)
_computing_cell_refinement       'SMART and SAINT (Siemens, 1994)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'XPREP in SHELXTL (Siemens, 1994)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    SHELXTL
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Siemens SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0330
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            2737
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         2.25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.733
_exptl_absorpt_correction_T_max  0.423
_exptl_absorpt_correction_T_min  0.138
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.697
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             398
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.275
_refine_diff_density_min         -1.414
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.133
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         1810
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_gt           0.0322
_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^)+(0.0335P)^2^+5.4125P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0789
_refine_ls_wR_factor_ref         0.0810
_reflns_number_gt                1734
_reflns_number_total             1846
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bd6013.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

2017-04-10
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C10 H5 O9 Sm'
_cod_original_formula_weight         839
_cod_original_formula_moiety         'C10 H5 O9 Sm'
_cod_original_formula_units_Z            1
_cod_database_code               2207432
_cod_database_fobs_code          2207432