Bis(diphenylphosphino)acetonitrile: synthesis, ligand properties and application in catalytic carbon-carbon coupling.
Braun, Leonie; Liptau, Patrick; Kehr, Gerald; Ugolotti, Juri; Fröhlich, Roland; Erker, Gerhard; Dalton transactions (Cambridge, England : 2003)  (2007) 1409–1415; doi:10.1039/b616847g

data_7005119
_publ_section_title
;
 Bis(diphenylphosphino)acetonitrile: synthesis, ligand properties and
 application in catalytic carbon-carbon coupling.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1409
_journal_page_last               1415
_journal_paper_doi               10.1039/b616847g
_journal_year                    2007
_chemical_formula_sum            'C26 H21 N P2'
_chemical_formula_weight         409.38
_space_group_IT_number           14
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.42(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.369(1)
_cell_length_b                   10.018(1)
_cell_length_c                   16.130(1)
_cell_measurement_temperature    198(2)
_cell_volume                     2146.8(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SCHAKAL (Keller, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0625
_diffrn_reflns_av_sigmaI/netI    0.0739
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16088
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.215
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9191
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1995 & 1997)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5002
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0911
_refine_ls_R_factor_gt           0.0500
_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^)+(0.0347P)^2^+0.8911P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0932
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                3423
_reflns_number_total             5002
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b616847g.txt
_cod_data_source_block           erk2047
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7005119