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_7045523
_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 H32 P2 Se2'
_chemical_formula_weight         420.26
_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
;
2017-10-11 deposited with the CCDC.
2018-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.577(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.3133(5)
_cell_length_b                   10.4104(4)
_cell_length_c                   10.1508(4)
_cell_measurement_reflns_used    5494
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.0730
_cell_measurement_theta_min      2.6450
_cell_volume                     952.49(8)
_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      100(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       \w-scan
_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  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0257
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            24692
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         2.65
_exptl_absorpt_coefficient_mu    4.036
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.65025
_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            colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.087
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     86
_refine_ls_number_reflns         2767
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0309
_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^)+(0.0207P)^2^+0.7947P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0604
_refine_ls_wR_factor_ref         0.0643
_reflns_number_gt                2285
_reflns_number_total             2767
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt04531j2.cif
_cod_data_source_block           samuel
_cod_depositor_comments
'Adding full bibliography for 7045509--7045531.cif.'
_cod_original_cell_volume        952.49(7)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7045523