Crystal structure of hexaaquabis(pyridine-2,6-dicarboxylato)-oxalatodiytterbium(III) pentahydrate, Yb2(H2O)6(C7H3NO4)2(C2O4) · 5H2O
Xun Feng; Xin-Ge Shi; Qian Sun; Wen-Wei Zhu; Zeitschrift für Kristallographie - New Crystal Structures 225 (2010) 275–; doi:

data_8102668
_publ_section_title
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 Crystal structure of
 hexaaquabis(pyridine-2,6-dicarboxylato)-oxalatodiytterbium(III)
 pentahydrate, Yb2(H2O)6(C7H3NO4)2(C2O4) &#x00B7; 5H2O
;
_journal_issue                   2
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              275
_journal_volume                  225
_journal_year                    2010
_chemical_formula_sum            'C16 H24 N2 O23 Yb2'
_chemical_formula_weight         958.48
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 94.090(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.126(6)
_cell_length_b                   18.174(4)
_cell_length_c                   7.8401(19)
_cell_measurement_reflns_used    4460
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.31
_cell_measurement_theta_min      2.85
_cell_volume                     3286.7(14)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0389
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            11658
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    5.743
_exptl_absorpt_correction_T_max  0.4083
_exptl_absorpt_correction_T_min  0.2867
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.945
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1848
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.901
_refine_diff_density_min         -1.073
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     195
_refine_ls_number_reflns         3062
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0400
_refine_ls_R_factor_gt           0.0275
_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^)+(0.0380P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0656
_refine_ls_wR_factor_ref         0.0696
_reflns_number_gt                2388
_reflns_number_total             3062
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-2922.cff
_cod_data_source_block           b
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               8102668