Lanthanide-pyridyl-2,5-dicarboxylate N-oxide frameworks with rutile topology
Sun, Hao-Ling; Wang, Xiang-Li; Jia, Li; Cao, Wei; Wang, Ke-Zhi; Du, Miao; CrystEngComm 14 (2012) 512–; doi:10.1039/c1ce05698k

data_7206962
_publ_section_title
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 Lanthanide-pyridyl-2,5-dicarboxylate N-oxide frameworks with rutile
 topology
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_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              512
_journal_paper_doi               10.1039/c1ce05698k
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C9 H8 Gd N O8'
_chemical_formula_weight         415.41
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 96.4210(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7677(2)
_cell_length_b                   14.8211(3)
_cell_length_c                   8.4033(2)
_cell_measurement_reflns_used    3519
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.64
_cell_measurement_theta_min      2.51
_cell_volume                     1208.90(5)
_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 0.987
_diffrn_measured_fraction_theta_max 0.987
_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  0.0223
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6646
_diffrn_reflns_theta_full        27.68
_diffrn_reflns_theta_max         27.68
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    5.522
_exptl_absorpt_correction_T_max  0.4914
_exptl_absorpt_correction_T_min  0.4047
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.282
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.824
_refine_diff_density_min         -0.591
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     180
_refine_ls_number_reflns         2781
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0254
_refine_ls_R_factor_gt           0.0209
_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^)+(0.0221P)^2^+0.4408P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0463
_refine_ls_wR_factor_ref         0.0482
_reflns_number_gt                2469
_reflns_number_total             2781
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05698k.txt
_cod_data_source_block           Gd
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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      P2(1)/c
_cod_database_code               7206962