One-dimensional zigzag chain of Cu-Gd coordination polymers derived from chiral hexadentate Schiff base ligands: Synthesis, structure and magnetic properties
Yan Sui; Dong-Sheng Liu; Rong-Hua Hu; Jian-Gen Huang; Inorganica Chimica Acta 395 (2013) 225–229; doi:10.1016/j.ica.2012.10.035

data_1512955
_publ_section_title
;
 One-dimensional zigzag chain of Cu-Gd coordination polymers derived from
 chiral hexadentate Schiff base ligands: Synthesis, structure and magnetic
 properties
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              225
_journal_page_last               229
_journal_paper_doi               10.1016/j.ica.2012.10.035
_journal_volume                  395
_journal_year                    2013
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C25 H32 Cu Gd N5 O14'
_chemical_formula_sum            'C25 H32 Cu Gd N5 O14'
_chemical_formula_weight         847.35
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.870(6)
_cell_length_b                   14.995(8)
_cell_length_c                   17.229(9)
_cell_measurement_temperature    293(2)
_cell_volume                     3067(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      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\f and \w scan'
_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  0.3824
_diffrn_reflns_av_sigmaI/netI    0.2503
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13354
_diffrn_reflns_theta_full        23.36
_diffrn_reflns_theta_max         23.36
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    2.914
_exptl_absorpt_correction_T_max  0.6372
_exptl_absorpt_correction_T_min  0.4959
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.835
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1688
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.828
_refine_diff_density_min         -1.692
_refine_diff_density_rms         0.217
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.09(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.986
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         4437
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.986
_refine_ls_R_factor_all          0.1467
_refine_ls_R_factor_gt           0.1001
_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^)+(0.0793P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1767
_refine_ls_wR_factor_ref         0.2148
_reflns_number_gt                2681
_reflns_number_total             4437
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ICA-2013-395-225-229-2.cif
_cod_data_source_block           09312cm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1512955