2-Phosphino-1,3-diphosphonium ions.
Gray, Paul A.; Carpenter, Yuen-Ying; Burford, Neil; McDonald, Robert; Dalton transactions (Cambridge, England : 2003) 45 (2016) 2124–2129; doi:10.1039/c5dt03116h

data_7038171
_publ_section_title
;
 2-Phosphino-1,3-diphosphonium ions.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2124
_journal_page_last               2129
_journal_paper_doi               10.1039/c5dt03116h
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C10 H27 P3, 2(C F3 O3 S)'
_chemical_formula_sum            'C12 H27 F6 O6 P3 S2'
_chemical_formula_weight         538.37
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-08-12 deposited with the CCDC.
2015-10-15 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.650(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.581(4)
_cell_length_b                   21.895(12)
_cell_length_c                   16.904(9)
_cell_measurement_reflns_used    7293
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.58
_cell_measurement_theta_min      3.04
_cell_volume                     2435(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'DIRDIF-2008 (Beurskens et al., 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w 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  0.0779
_diffrn_reflns_av_sigmaI/netI    0.0599
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18399
_diffrn_reflns_theta_full        26.60
_diffrn_reflns_theta_max         26.60
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.485
_exptl_absorpt_correction_T_max  0.9604
_exptl_absorpt_correction_T_min  0.7040
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1112
_exptl_crystal_size_max          0.78
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.424
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5045
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0914
_refine_ls_R_factor_gt           0.0524
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0224P)^2^+4.2157P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                3463
_reflns_number_total             5045
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c5dt03116h1.cif
_cod_data_source_block           dal08c4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7038171