Bis-phosphine allene ligand: coordination chemistry and preliminary applications in catalysis
Avassaya Vanitcha; Cecilia Damelincourt; Geoffrey Gontard; Nicolas Vanthuyne; Virginie Mouries-Mansuy; Louis Fensterbank; Chem.Commun. 52 (2016) 6785–; doi:

data_7119134
_publ_section_title
;
 Bis-phosphine allene ligand: coordination chemistry and preliminary
 applications in catalysis
;
_journal_name_full               Chem.Commun.
_journal_page_first              6785
_journal_volume                  52
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C39 H30 Au2 Cl2 P2, 0.5(C H2 Cl2)'
_chemical_formula_sum            'C39.5 H31 Au2 Cl3 P2'
_chemical_formula_weight         1067.86
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-01-19 deposited with the CCDC.
2016-04-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.507(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   34.800(2)
_cell_length_b                   9.8414(6)
_cell_length_c                   10.8355(7)
_cell_measurement_reflns_used    9853
_cell_measurement_temperature    200(1)
_cell_measurement_theta_max      68.45
_cell_measurement_theta_min      4.11
_cell_volume                     3687.0(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SXGRAPH (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      200(1)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_source         micro-source
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0226
_diffrn_reflns_av_unetI/netI     0.0202
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            22843
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        66.500
_diffrn_reflns_theta_max         66.578
_diffrn_reflns_theta_min         2.556
_exptl_absorpt_coefficient_mu    17.776
_exptl_absorpt_correction_T_max  0.686
_exptl_absorpt_correction_T_min  0.299
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.924
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2028
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.370
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details
;
 Flack x determined using 2950 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.040(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     425
_refine_ls_number_reflns         6498
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0184
_refine_ls_R_factor_gt           0.0179
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0283P)^2^+3.4928P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0445
_refine_ls_wR_factor_ref         0.0447
_reflns_Friedel_coverage         0.873
_reflns_Friedel_fraction_full    0.991
_reflns_Friedel_fraction_max     0.991
_reflns_number_gt                6403
_reflns_number_total             6498
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc02316a2.cif
_cod_data_source_block           Compound-aR-9
_cod_original_formula_sum        'C39.50 H31 Au2 Cl3 P2'
_cod_database_code               7119134
_shelx_shelxl_version_number     2014/7