Construction of multifunctional materials based on Tb3+and croconic acid, directed by K+cations: synthesis, structures, fluorescence, magnetic and ferroelectric behaviors
Jia, Yu-Qi; Feng, Si-Si; Shen, Mei-Lin; Lu, Li-Ping; CrystEngComm 18 (2016) 5344–; doi:10.1039/C6CE00308G

data_7226165
_publ_section_title
;
 Construction of multifunctional materials based on Tb3+and croconic acid,
 directed by K+cations: synthesis, structures, fluorescence, magnetic and
 ferroelectric behaviors
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              5344
_journal_paper_doi               10.1039/C6CE00308G
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C10 H14 K O17 Tb'
_chemical_formula_weight         604.23
_chemical_name_systematic        'Complex 4'
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-11-16 deposited with the CCDC.
2016-05-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.031(3)
_cell_length_b                   12.505(3)
_cell_length_c                   8.4522(17)
_cell_measurement_temperature    293(2)
_cell_volume                     1694.4(6)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  CCD
_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  0.0519
_diffrn_reflns_av_sigmaI/netI    0.0420
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11426
_diffrn_reflns_theta_full        28.37
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    4.515
_exptl_absorpt_correction_T_max  0.405
_exptl_absorpt_correction_T_min  0.352
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_preparation       'Magnetic properties, Luminescent'
_exptl_crystal_recrystallization_method 'Vapour Deposition'
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.589
_refine_diff_density_min         -0.640
_refine_diff_density_rms         0.096
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.000(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.897
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         2191
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      0.895
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0227
_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^)+(0.0258P)^2^+0.0200P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0469
_refine_ls_wR_factor_ref         0.0489
_reflns_number_gt                2019
_reflns_number_total             2191
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ce00308g2.cif
_cod_data_source_block           fq38-sd-36
_cod_database_code               7226165