Crystallographic studies into the role of exposed rare earth metal ion for guest sorption
Xie, Lin-Hua; Wang, Yu; Liu, Xiao-Min; Lin, Jian-Bin; Zhang, Jie-Peng; Chen, Xiao-Ming; CrystEngComm 13 (2011) 5849–; doi:10.1039/c1ce05468f

data_7206531
_publ_section_title
;
 Crystallographic studies into the role of exposed rare earth metal ion
 for guest sorption
;
_journal_issue                   19
_journal_name_full               CrystEngComm
_journal_page_first              5849
_journal_paper_doi               10.1039/c1ce05468f
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C9 H3 Gd O6'
_chemical_formula_weight         364.36
_chemical_name_systematic
;
?
;
_space_group_IT_number           91
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4w 2c'
_symmetry_space_group_name_H-M   'P 41 2 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3635(7)
_cell_length_b                   10.3635(7)
_cell_length_c                   13.8321(18)
_cell_measurement_temperature    473(2)
_cell_volume                     1485.6(2)
_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      473(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  0.0478
_diffrn_reflns_av_sigmaI/netI    0.0469
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            5810
_diffrn_reflns_theta_full        26.39
_diffrn_reflns_theta_max         26.39
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    4.470
_exptl_absorpt_correction_T_max  0.6161
_exptl_absorpt_correction_T_min  0.5171
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.629
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod-shaped
_exptl_crystal_F_000             676
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.266
_refine_diff_density_min         -0.463
_refine_diff_density_rms         0.126
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(5)
_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     75
_refine_ls_number_reflns         1530
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0334
_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^)+(0.0361P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0749
_reflns_number_gt                1253
_reflns_number_total             1530
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05468f.txt
_cod_data_source_block           1@P4122
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
;
_cod_original_sg_symbol_H-M      P4(1)22
_cod_database_code               7206531