A Series of Lanthanide Frameworks with a Flexible Ligand,N,N′-Diacetic Acid Imidazolium, in Different Coordination Modes
Chai, Xiao-Chuan; Sun, Yan-Qiong; Lei, Ran; Chen, Yi-Ping; Zhang, Shuai; Cao, Yan-Ning; Zhang, Han-Hui; Crystal Growth & Design 10 (2010) 658–; doi:10.1021/cg901075r

data_4502377
_publ_section_title
;
 A Series of Lanthanide Frameworks with a Flexible
 Ligand,N,N&#x2032;-Diacetic Acid Imidazolium, in Different Coordination
 Modes
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              658
_journal_paper_doi               10.1021/cg901075r
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C7 H13 Cl0.5 La0.5 N2 O7'
_chemical_formula_weight         324.37
_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                 112.59(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.755(4)
_cell_length_b                   16.299(3)
_cell_length_c                   8.9294(18)
_cell_measurement_reflns_used    4749
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4855
_cell_measurement_theta_min      3.3597
_cell_volume                     2520.2(10)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku, 2007)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2001)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Rigaku Saturn724 CCD area detector'
_diffrn_measurement_method       '\w scan'
_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  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0216
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10357
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         3.36
_exptl_absorpt_coefficient_mu    1.871
_exptl_absorpt_correction_T_max  0.799
_exptl_absorpt_correction_T_min  0.721
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.710
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.259
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.164
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2841
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0341
_refine_ls_R_factor_gt           0.0321
_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^)+(0.0673P)^2^+20.0326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0956
_refine_ls_wR_factor_ref         0.1137
_reflns_number_gt                2819
_reflns_number_total             2841
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg901075r_si_002.cif
_cod_data_source_block           3
_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.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2520.2(9)
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C7 H13 Cl0.50 La0.50 N2 O7'
_cod_database_code               4502377