A series of three-dimensional (3D) chiral lanthanide coordination polymers generated by spontaneous resolution
Zhang, Li-Min; Deng, Da-Yi; Peng, Guo; Sun, Lin; Liang, Li; Lan, Guo-Qiang; Deng, Hong; CrystEngComm 14 (2012) 8083–; doi:10.1039/c2ce26028j

data_7214904
_publ_section_title
;
 A series of three-dimensional (3D) chiral lanthanide coordination
 polymers generated by spontaneous resolution
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              8083
_journal_paper_doi               10.1039/c2ce26028j
_journal_volume                  14
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C8 H11 Gd N2 O8 '
_chemical_formula_sum            'C8 H11 Gd N2 O8'
_chemical_formula_weight         420.44
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   7.7305(10)
_cell_length_b                   8.2593(11)
_cell_length_c                   18.791(3)
_cell_measurement_temperature    296(2)
_cell_volume                     1199.8(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0194
_diffrn_reflns_av_sigmaI/netI    0.0268
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            6219
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    5.567
_exptl_absorpt_correction_T_max  0.573
_exptl_absorpt_correction_T_min  0.408
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Apex2 (Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.328
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             804
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.978
_refine_diff_density_rms         0.119
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.016(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.216
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2202
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.216
_refine_ls_R_factor_all          0.0164
_refine_ls_R_factor_gt           0.0161
_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^)+(0.0145P)^2^+0.1867P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0411
_refine_ls_wR_factor_ref         0.0412
_reflns_number_gt                2181
_reflns_number_total             2204
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26028j.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 21 21 21'
_cod_original_formula_sum        'C8 H11 Gd N2 O8 '
_cod_database_code               7214904