Preparation of a Diphosphine with Persistent Phosphinyl Radical Character in Solution: Characterization, Reactivity with O2, S8, Se, Te, and P4, and Electronic Structure Calculations
Nick A. Giffin; Arthur D. Hendsbee; Tracey L. Roemmele; Michael D. Lumsden; Cory C. Pye; Jason D. Masuda; Inorganic Chemistry 51 (2012) 11837–11850; doi:10.1021/ic301758k

data_4330921
_publ_contact_author_address
; The Maritimes Centre for Green Chemistry
  Department of Chemistry
  Saint Mary's University
  923 Robie St
  Halifax, Nova Scotia
  B3H 3C3 
  Canada
;
_publ_contact_author_email       jason.masuda@smu.ca
_publ_contact_author_name        'Jason D. Masuda'
_publ_section_title
;
 Preparation of a Diphosphine with Persistent Phosphinyl Radical Character
 in Solution: Characterization, Reactivity with O2, S8, Se, Te, and P4,
 and Electronic Structure Calculations
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11837
_journal_page_last               11850
_journal_paper_doi               10.1021/ic301758k
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C26 H38 Cl N2 P'
_chemical_formula_weight         445.00
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 97.632(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.017(5)
_cell_length_b                   16.597(7)
_cell_length_c                   12.765(5)
_cell_measurement_reflns_used    8556
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      28.08
_cell_measurement_theta_min      2.45
_cell_volume                     2523.4(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0591
_diffrn_reflns_av_sigmaI/netI    0.0450
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            26400
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.230
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6499
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.171
_exptl_crystal_description       block
_exptl_crystal_F_000             960
_exptl_crystal_size_max          .2700
_exptl_crystal_size_mid          .2208
_exptl_crystal_size_min          .2122
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.276
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         4957
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0398
_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^)+(0.0369P)^2^+1.0117P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                3793
_reflns_number_total             4957
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301758k_si_001_2.cif
_cod_data_source_block           Compound_2
_cod_original_cell_volume        2523.3(17)
_cod_database_code               4330921