Lanthanide Contraction and Temperature-Dependent Structures of Lanthanide Coordination Polymers with Imidazole-4,5-Dicarboxylate and Oxalate
Lu, Wen-Guan; Jiang, Long; Lu, Tong-Bu; Crystal Growth & Design 10 (2010) 4310–; doi:10.1021/cg100196j

data_4501646
_publ_section_title
;
 Lanthanide Contraction and Temperature-Dependent Structures of Lanthanide
 Coordination Polymers with Imidazole-4,5-Dicarboxylate and Oxalate
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4310
_journal_paper_doi               10.1021/cg100196j
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C6 H4 Eu N2 O7'
_chemical_formula_weight         368.07
_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                 106.900(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.911(12)
_cell_length_b                   6.740(4)
_cell_length_c                   13.188(7)
_cell_measurement_reflns_used    2117
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.96
_cell_measurement_theta_min      3.17
_cell_volume                     1863.5(18)
_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 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            5138
_diffrn_reflns_theta_full        27.02
_diffrn_reflns_theta_max         27.02
_diffrn_reflns_theta_min         3.17
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.757
_exptl_absorpt_correction_T_max  0.8996
_exptl_absorpt_correction_T_min  0.3451
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.624
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.507
_refine_diff_density_min         -1.296
_refine_diff_density_rms         0.423
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2002
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0570
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0788P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.1330
_reflns_number_gt                1510
_reflns_number_total             2002
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100196j_si_002.cif
_cod_data_source_block           3Eu
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1863.4(17)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4501646