Transition metal incorporation into seleno-bridged cubane type clusters of molybdenum and tungsten. X-Ray crystal structures of the first [Mo3CuSe4] derivatives†
Llusar, Rosa; Uriel, Santiago; Vicent, Cristian; Journal of the Chemical Society, Dalton Transactions  (2001) 2813–; doi:10.1039/b104262a

data_7702636
_publ_section_title
;
 Transition metal incorporation into seleno-bridged cubane type clusters
 of molybdenum and tungsten. X-Ray crystal structures of the first
 [Mo3CuSe4] derivatives&#x2020;
;
_journal_issue                   19
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              2813
_journal_paper_doi               10.1039/b104262a
_journal_year                    2001
_chemical_formula_sum            'C18 H48 Br3 F6 P7 Se4 W3'
_chemical_formula_weight         1702.47
_space_group_IT_number           197
_space_group_name_Hall           'I 2 2 3'
_space_group_name_H-M_alt        'I 2 3'
_symmetry_cell_setting           cubic
_symmetry_space_group_name_H-M   'I 2 3'
_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            8
_cell_length_a                   21.0599(5)
_cell_length_b                   21.0599(5)
_cell_length_c                   21.0599(5)
_cell_measurement_temperature    293(2)
_cell_volume                     9340.5(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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 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  0.0672
_diffrn_reflns_av_sigmaI/netI    0.0270
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            22949
_diffrn_reflns_theta_full        23.22
_diffrn_reflns_theta_max         23.22
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    13.332
_exptl_absorpt_correction_T_max  0.9703
_exptl_absorpt_correction_T_min  0.5783
_exptl_absorpt_correction_type   'Bruker SADABS'
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    2.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             6224
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.441
_refine_diff_density_min         -0.936
_refine_diff_density_rms         0.202
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     123
_refine_ls_number_reflns         2251
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0363
_refine_ls_R_factor_gt           0.0297
_refine_ls_shift/su_max          0.044
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w==1/[\s^2^(Fo^2^)+(0.0618P)^2^+40.1289P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0919
_refine_ls_wR_factor_ref         0.0955
_reflns_number_gt                2066
_reflns_number_total             2251
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b104262a.txt
_cod_data_source_block           '_[W3Se4Br3(dmpe)3]PF6_(3)'
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Cubic' was changed to
'cubic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      I23
_cod_database_code               7702636