(<i>S</i>)-({-})-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole
Jian, Ling-Yan; He, Xiao-Jing; Sun, Ya-Xin; Jiang, Qing-Hua; Zhu, Xu; Acta Crystallographica Section E 65 (2009) o1153–; doi:10.1107/S1600536809015335

data_2221698
_publ_section_title
;
 (<i>S</i>)-({-})-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole
;
_journal_coeditor_code           HB2954
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1153
_journal_paper_doi               10.1107/S1600536809015335
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C38 H28 O4 P2'
_chemical_formula_moiety         'C38 H28 O4 P2'
_chemical_formula_sum            'C38 H28 O4 P2'
_chemical_formula_weight         610.54
_chemical_name_systematic
;
(<i>S</i>)-(-)-5,5'-Bis(diphenylphosphino)-4,4'-bi-1,3-benzodioxole
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4735(10)
_cell_length_b                   15.8362(15)
_cell_length_c                   18.7349(17)
_cell_measurement_reflns_used    4758
_cell_measurement_temperature    295
_cell_measurement_theta_max      23.51
_cell_measurement_theta_min      2.23
_cell_volume                     3107.4(5)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens SMART CCD'
_diffrn_measurement_method       \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  0.0306
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16522
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.68
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.181
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.961
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Siemens, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.156
_refine_ls_abs_structure_details 'Flack (1983), 2403 Friedel pairs'
_refine_ls_abs_structure_Flack   0.06(8)
_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     397
_refine_ls_number_reflns         5515
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0405P)^2^+0.2496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0770
_refine_ls_wR_factor_ref         0.0825
_reflns_number_gt                4665
_reflns_number_total             5515
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2954.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2221698
_cod_database_fobs_code          2221698