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_7045527
_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            'C25 H22 I4 P2 Se2'
_chemical_formula_weight         1049.89
_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
;
2016-07-19 deposited with the CCDC.
2018-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                93.546(4)
_cell_angle_beta                 93.715(3)
_cell_angle_gamma                110.679(4)
_cell_formula_units_Z            2
_cell_length_a                   9.4770(4)
_cell_length_b                   9.7121(5)
_cell_length_c                   17.9114(7)
_cell_measurement_reflns_used    25356
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.5570
_cell_measurement_theta_min      2.6030
_cell_volume                     1532.79(13)
_computing_cell_refinement
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_computing_data_collection
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_computing_data_reduction
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_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 0.982
_diffrn_measured_fraction_theta_max 0.924
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0378
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            82122
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         31.11
_diffrn_reflns_theta_min         2.25
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    6.558
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.58518
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             964
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.01
_refine_diff_density_max         1.409
_refine_diff_density_min         -1.461
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         9098
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0285
_refine_ls_R_factor_gt           0.0218
_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^)+(0.0140P)^2^+1.5439P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0408
_refine_ls_wR_factor_ref         0.0429
_reflns_number_gt                7987
_reflns_number_total             9098
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt04531j2.cif
_cod_data_source_block           theo
_cod_depositor_comments
'Adding full bibliography for 7045509--7045531.cif.'
_cod_original_cell_volume        1532.79(12)
_cod_database_code               7045527