Synthesis, reactivity and structural studies of selenide bridged carboranyl compounds.
Laromaine, Anna; Teixidor, Francesc; Kivekäs, Raikko; Sillanpää, Reijo; Arca, Massimiliano; Lippolis, Vito; Crespo, Eulàlia; Viñas, Clara; Dalton transactions (Cambridge, England : 2003)  (2006) 5240–5247; doi:10.1039/b610944f

data_7007823
_publ_section_title
;
 Synthesis, reactivity and structural studies of selenide bridged
 carboranyl compounds.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5240
_journal_page_last               5247
_journal_paper_doi               10.1039/b610944f
_journal_year                    2006
_chemical_formula_moiety         'C16 H30 B20 Se2'
_chemical_formula_sum            'C16 H30 B20 Se2'
_chemical_formula_weight         596.52
_chemical_name_systematic
;
?
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 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                 91.717(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.0368(4)
_cell_length_b                   12.3095(5)
_cell_length_c                   14.0307(7)
_cell_measurement_reflns_used    3905
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.682
_cell_measurement_theta_min      0.407
_cell_volume                     1387.42(11)
_computing_cell_refinement       'HKL Scalepack (Otwinowsky & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
;
HKL Denzo and Scalepack (Otwinowsky & Minor, 1997)
;
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           Mok\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0509
_diffrn_reflns_av_sigmaI/netI    0.0770
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7433
_diffrn_reflns_theta_full        25.64
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         2.90
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    2.675
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.429
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         4390
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
w=1/[\s^2^(Fo^2^)+(0.0227P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0690
_refine_ls_wR_factor_ref         0.0730
_reflns_number_gt                3840
_reflns_number_total             4390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b610944f.txt
_cod_data_source_block           compound_3
_cod_original_sg_symbol_H-M      'P c'
_cod_database_code               7007823