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_7226163
_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 H12 K O16 Tb'
_chemical_formula_weight         586.22
_chemical_name_systematic        'Complex 2'
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 116.84(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.232(4)
_cell_length_b                   9.0720(18)
_cell_length_c                   16.015(3)
_cell_measurement_temperature    100(2)
_cell_volume                     2622.8(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  mar555
_diffrn_measurement_method       'oscillation mode'
_diffrn_radiation_monochromator  'double crystal monochromator'
_diffrn_radiation_source         'synchrotron, 3W1A at BSRF'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.72000
_diffrn_reflns_av_R_equivalents  0.0124
_diffrn_reflns_av_sigmaI/netI    0.0186
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4257
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    2.912
_exptl_absorpt_correction_T_max  0.747
_exptl_absorpt_correction_T_min  0.712
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_recrystallization_method 'Vapour Deposition'
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         2.086
_refine_diff_density_min         -2.321
_refine_diff_density_rms         0.534
_refine_ls_extinction_coef       0.0126(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         2281
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0481
_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^)+(0.1522P)^2^+41.2818P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1724
_refine_ls_wR_factor_ref         0.1771
_reflns_number_gt                2232
_reflns_number_total             2281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ce00308g2.cif
_cod_data_source_block           fy97-1_sq_d
_cod_original_cell_volume        2622.8(9)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7226163