Bromination and iodination of diphosphane dichalcogenides.
Upmann, Daniel; Jones, Peter G.; Dalton transactions (Cambridge, England : 2003) 47 (2018) 2748–2758; doi:10.1039/c7dt04531j

data_7045530
_publ_section_title
;
 Bromination and iodination of diphosphane dichalcogenides.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2748
_journal_page_last               2758
_journal_paper_doi               10.1039/c7dt04531j
_journal_volume                  47
_journal_year                    2018
_chemical_formula_sum            'C13 H30 Br4 P2 Se2'
_chemical_formula_weight         725.87
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-10-23 deposited with the CCDC.
2018-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                100.220(5)
_cell_angle_beta                 90.630(4)
_cell_angle_gamma                116.279(6)
_cell_formula_units_Z            2
_cell_length_a                   8.6805(5)
_cell_length_b                   8.9116(5)
_cell_length_c                   16.6930(8)
_cell_measurement_reflns_used    13193
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      30.6300
_cell_measurement_theta_min      2.6130
_cell_volume                     1133.61(13)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Bruker XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.963
_diffrn_measured_fraction_theta_max 0.932
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       \w-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            60914
_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         31.02
_diffrn_reflns_theta_min         2.49
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    10.446
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.31385
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.127
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.908
_refine_diff_density_min         -0.699
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     198
_refine_ls_number_reflns         6750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0277
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0251P)^2^+0.7499P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0540
_refine_ls_wR_factor_ref         0.0574
_reflns_number_gt                5684
_reflns_number_total             6750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt04531j2.cif
_cod_data_source_block           ieuan
_cod_depositor_comments
'Adding full bibliography for 7045509--7045531.cif.'
_cod_original_cell_volume        1133.61(11)
_cod_database_code               7045530