Diversity of lanthanide(III)-2,5-dihydroxy-1,4-benzenedicarboxylate extended frameworks: syntheses, structures, and magnetic properties.
Wang, Yu-Ling; Jiang, Yun-Liang; Xiahou, Zuo-Juan; Fu, Jiang-Hong; Liu, Qing-Yan; Dalton transactions (Cambridge, England : 2003) 41 (2012) 11428–11437; doi:10.1039/c2dt31090b

data_7030208
_publ_section_title
;
 Diversity of lanthanide(III)-2,5-dihydroxy-1,4-benzenedicarboxylate
 extended frameworks: syntheses, structures, and magnetic properties.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11428
_journal_page_last               11437
_journal_paper_doi               10.1039/c2dt31090b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C20 H23 Gd2 O22'
_chemical_formula_weight         929.88
_chemical_name_systematic
;
?
;
_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                79.038(2)
_cell_angle_beta                 82.588(2)
_cell_angle_gamma                79.972(2)
_cell_formula_units_Z            2
_cell_length_a                   7.3991(9)
_cell_length_b                   11.4730(14)
_cell_length_c                   16.2335(19)
_cell_measurement_reflns_used    2096
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.63
_cell_measurement_theta_min      2.41
_cell_volume                     1325.7(3)
_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 0.866
_diffrn_measured_fraction_theta_max 0.866
_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  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0665
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            8325
_diffrn_reflns_theta_full        29.04
_diffrn_reflns_theta_max         29.04
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    5.063
_exptl_absorpt_correction_T_max  0.7182
_exptl_absorpt_correction_T_min  0.3527
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.330
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             894
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.578
_refine_diff_density_min         -1.260
_refine_diff_density_rms         0.213
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         6123
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0401
_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^)+(0.0307P)^2^+2.6918P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0798
_refine_ls_wR_factor_ref         0.0895
_reflns_number_gt                4608
_reflns_number_total             6123
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31090b.txt
_cod_data_source_block           Gd
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7030208