Lanthanide Clusters with Internal Ln: Fragmentation and the Formation of Dimers with Bridging Se2- and Se22- Ligands
Louise Huebner; Anna Kornienko; Thomas J. Emge; John G. Brennan; Inorganic Chemistry 44 (2005) 5118–5122; doi:10.1021/ic050150g

data_4309188
_publ_section_title
;
Lanthanide Clusters with Internal Ln: Fragmentation and the Formation of
Dimers with Bridging Se2- and Se22- Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5118
_journal_page_last               5122
_journal_paper_doi               10.1021/ic050150g
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C32.5 H32.5 Er2 I2 N6.5 S0.82 Se2.17'
_chemical_formula_weight         1300.66
_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                 93.821(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   48.053(4)
_cell_length_b                   9.6756(7)
_cell_length_c                   16.9322(13)
_cell_measurement_reflns_used    5927
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.39
_cell_measurement_theta_min      2.45
_cell_volume                     7855.0(11)
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0921
_diffrn_reflns_av_sigmaI/netI    0.0687
_diffrn_reflns_limit_h_max       60
_diffrn_reflns_limit_h_min       -60
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            42737
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    7.907
_exptl_absorpt_correction_T_max  0.7974
_exptl_absorpt_correction_T_min  0.3834
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SAINT (SADABS)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lathe
_exptl_crystal_F_000             4817
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.03
_refine_diff_density_max         2.898
_refine_diff_density_min         -1.650
_refine_diff_density_rms         0.285
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.120
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         8023
_refine_ls_number_restraints     713
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0430P)^2^+266.7312P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1268
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                6264
_reflns_number_total             8023
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050150gsi20050131_031853.cif
_cod_data_source_block           er10py_erisse
_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_cell_volume        7855.0(10)
_cod_original_formula_sum        'C32.50 H32.50 Er2 I2 N6.50 S0.82 Se2.17'
_cod_database_code               4309188