1,2-Bis(diphenylphosphino)-1,2-dicarba-<i>closo</i>-dodecaborane
Dao-Peng Zhang; Jian-Min Dou; Da-Cheng Li; Da-Qi Wang; Acta Crystallographica Section E 62 (2006) o418–o419; doi:10.1107/S1600536805042510

data_2208116
_publ_section_title
;
 1,2-Bis(diphenylphosphino)-1,2-dicarba-<i>closo</i>-dodecaborane
;
_journal_coeditor_code           LH6572
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o418
_journal_page_last               o419
_journal_paper_doi               10.1107/S1600536805042510
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C26 H30 B10 P2'
_chemical_formula_moiety         'C26 H30 B10 P2'
_chemical_formula_sum            'C26 H30 B10 P2'
_chemical_formula_weight         512.54
_chemical_name_systematic
;
1,2-Diphenylphosphino-1,2-dicarba-closo-dodecaborane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 111.845(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.315(6)
_cell_length_b                   10.387(4)
_cell_length_c                   17.768(6)
_cell_measurement_reflns_used    4735
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.302
_cell_measurement_theta_min      2.317
_cell_volume                     2794.8(18)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0584
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            17791
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_T_max  0.9343
_exptl_absorpt_correction_T_min  0.9296
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.218
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.577
_refine_diff_density_min         -0.328
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         6721
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.548
_refine_ls_R_factor_all          0.0887
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0650P)^2^+1.0346P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1192
_refine_ls_wR_factor_ref         0.1454
_reflns_number_gt                4367
_reflns_number_total             6721
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6572.cif
_cod_data_source_block           I
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2795.0(17)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2208116
_cod_database_fobs_code          2208116