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_7045512
_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            'C14 H31 Br4 P2 Se'
_chemical_formula_weight         659.93
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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
_audit_update_record
;
2017-09-13 deposited with the CCDC.
2018-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.958(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4264(2)
_cell_length_b                   28.7031(5)
_cell_length_c                   10.8682(2)
_cell_measurement_reflns_used    38831
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.8050
_cell_measurement_theta_min      4.3500
_cell_volume                     2299.61(9)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43c (Rigaku OD, 2015)'
_computing_molecular_graphics    SHELXL-97
_computing_publication_material  'Bruker XP'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0937
_diffrn_reflns_av_sigmaI/netI    0.0214
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            120978
_diffrn_reflns_theta_full        75.00
_diffrn_reflns_theta_max         76.29
_diffrn_reflns_theta_min         4.38
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    11.609
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.33881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43c (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.906
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1276
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.736
_refine_diff_density_min         -1.761
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         4819
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0482
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0406P)^2^+9.8839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1048
_reflns_number_gt                4379
_reflns_number_total             4819
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt04531j2.cif
_cod_data_source_block           tobi
_cod_depositor_comments
'Adding full bibliography for 7045509--7045531.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7045512