Structure and photoluminescent properties of lanthanide coordination polymers based on two isomers of iminodiacetic acid substituted isophthalate and terephthalate ligands
Ma, Jie; Jiang, Fei-Long; Chen, Lian; Wu, Ming-Yan; Zhang, Shu-Quan; Xiong, Ke-cai; Han, Dong; Hong, Mao-Chun; CrystEngComm 14 (2012) 6055–; doi:10.1039/c2ce25655j

data_7208561
_publ_section_title
;
 Structure and photoluminescent properties of lanthanide coordination
 polymers based on two isomers of iminodiacetic acid substituted
 isophthalate and terephthalate ligands
;
_journal_issue                   18
_journal_name_full               CrystEngComm
_journal_page_first              6055
_journal_paper_doi               10.1039/c2ce25655j
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C12 H11 Eu N O9.50'
_chemical_formula_sum            'C12 H11 Eu N O9.5'
_chemical_formula_weight         473.18
_chemical_name_systematic
;
?
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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            16
_cell_length_a                   21.6024(8)
_cell_length_b                   21.6024(8)
_cell_length_c                   11.3824(8)
_cell_measurement_reflns_used    6766
_cell_measurement_temperature    293.1500
_cell_measurement_theta_max      27.3852
_cell_measurement_theta_min      2.6669
_cell_volume                     5311.8(5)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku, 2000)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293.1500
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Saturn70 CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20423
_diffrn_reflns_theta_full        27.38
_diffrn_reflns_theta_max         27.38
_diffrn_reflns_theta_min         3.35
_exptl_absorpt_coefficient_mu    4.781
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9503
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2000)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.367
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3664
_exptl_crystal_size_max          0.1000
_exptl_crystal_size_mid          0.1000
_exptl_crystal_size_min          0.0500
_refine_diff_density_max         0.901
_refine_diff_density_min         -0.525
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3011
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0304
_refine_ls_R_factor_gt           0.0270
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+19.9186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0593
_refine_ls_wR_factor_ref         0.0614
_reflns_number_gt                2816
_reflns_number_total             3011
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25655j.txt
_cod_data_source_block           complex4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic 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      I41/a
_cod_original_formula_sum        'C12 H11 Eu N O9.50'
_cod_database_code               7208561