A series of lanthanide‒organic polymers incorporating ethyl-4,5-imidazole-dicarboxylato and formate coligand: structures, luminescent and magnetic properties
Feng, Xun; Li, Shi-Hui; Wang, Li-Ya; Zhao, Jian-She; Shi, Zhi-Qiang; Lei, Peng-Peng; CrystEngComm 14 (2012) 3684–; doi:10.1039/c2ce06151a

data_7207740
_publ_section_title
;
 A series of lanthanide--organic polymers incorporating
 ethyl-4,5-imidazole-dicarboxylato and formate coligand: structures,
 luminescent and magnetic properties
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              3684
_journal_paper_doi               10.1039/c2ce06151a
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C29 H37 N8 O24 Sm3'
_chemical_formula_weight         1332.72
_chemical_name_systematic
;
?
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 92.1260(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   33.765(3)
_cell_length_b                   9.2778(9)
_cell_length_c                   13.2345(13)
_cell_measurement_reflns_used    9968
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.20
_cell_measurement_theta_min      2.74
_cell_volume                     4143.1(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       43
_diffrn_reflns_limit_h_min       -42
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            17257
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    4.296
_exptl_absorpt_correction_T_max  0.5119
_exptl_absorpt_correction_T_min  0.4804
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.137
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2580
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.036
_refine_diff_density_min         -1.104
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4747
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0228
_refine_ls_R_factor_gt           0.0220
_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^)+(0.0354P)^2^+14.5105P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0631
_refine_ls_wR_factor_ref         0.0636
_reflns_number_gt                4642
_reflns_number_total             4747
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06151a.txt
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7207740