Flexible coordination environments of lanthanide complexes grown from chloride-based ionic liquids
Hines, C. Corey; Cordes, David B.; Griffin, Scott T.; Watts, Savannah I.; Cocalia, Violina A.; Rogers, Robin D.; New Journal of Chemistry 32 (2008) 872–; doi:10.1039/b800045j

data_7051906
_publ_section_title
;
 Flexible coordination environments of lanthanide complexes grown from
 chloride-based ionic liquids
;
_journal_issue                   5
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              872
_journal_paper_doi               10.1039/b800045j
_journal_volume                  32
_journal_year                    2008
_chemical_formula_sum            'C18 H33 Cl6 Eu N6'
_chemical_formula_weight         698.16
_chemical_name_common            '[C2mim]3[EuCl6]'
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 90.5080(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4175(10)
_cell_length_b                   12.5250(8)
_cell_length_c                   14.6565(9)
_cell_measurement_reflns_used    6799
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.51
_cell_volume                     2830.1(3)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.944
_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  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0384
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19470
_diffrn_reflns_theta_full        25.30
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    2.800
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.639
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.623
_refine_diff_density_min         -0.469
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         6681
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0262
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0179P)^2^+0.7540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0447
_refine_ls_wR_factor_ref         0.0508
_reflns_number_gt                4392
_reflns_number_total             6681
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800045j.txt
_cod_data_source_block           Eu
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7051906