Synthesis and activation potential of an open shell diphosphine.
Helmdach, Kai; Ludwig, Stephan; Villinger, Alexander; Hollmann, Dirk; Kösters, Jutta; Seidel, Wolfram W.; Chemical communications (Cambridge, England)  (2017) –; doi:10.1039/c7cc02114c

data_7120123
_publ_section_title
;
 Synthesis and activation potential of an open shell diphosphine.
;
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_paper_doi               10.1039/c7cc02114c
_journal_year                    2017
_chemical_formula_sum            'C50 H60 B I N6 O P2 W'
_chemical_formula_weight         1144.54
_chemical_name_systematic
'[(Carbonyl){bis(diphenylphosphino)acetylene}(iodido){hydridotris(3,4,5-trimethylpyrazolyl)borate}tungsten(II)]'
_chemical_properties_physical
', Air-sensitive,Moisture-sensitive,Oxygen-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-09-06 deposited with the CCDC.
2017-05-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.1210(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1010(5)
_cell_length_b                   19.6181(8)
_cell_length_c                   19.5916(8)
_cell_measurement_reflns_used    9207
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.09
_cell_measurement_theta_min      2.35
_cell_volume                     4971.7(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Photon 100 CMOS-detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0352
_diffrn_reflns_av_unetI/netI     0.0259
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            77570
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.111
_diffrn_reflns_theta_min         2.028
_diffrn_source                   Microfocus
_exptl_absorpt_coefficient_mu    3.051
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.4656
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.529
_exptl_crystal_description       block
_exptl_crystal_F_000             2288
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: dichloromethane, n-pentane'
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.130
_refine_diff_density_max         1.202
_refine_diff_density_min         -0.577
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     611
_refine_ls_number_reflns         14625
_refine_ls_number_restraints     69
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0298
_refine_ls_R_factor_gt           0.0240
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0260P)^2^+3.0888P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0533
_refine_ls_wR_factor_ref         0.0554
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13043
_reflns_number_total             14625
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc02114c2.cif
_cod_data_source_block           sadp21n
_cod_database_code               7120123
_shelx_estimated_absorpt_t_min   0.361
_shelx_estimated_absorpt_t_max   0.692
_shelxl_version_number           2013-4
_shelx_res_checksum              62252
_shelx_hkl_checksum              70294