A survey of pendant donor-functionalised (N,O) phosphine ligands for Cr-catalysed ethylene tri- and tetramerisation
Suttil, James A.; Wasserscheid, Peter; McGuinness, David S.; Gardiner, Michael G.; Evans, Stephen J.; Catalysis Science & Technology 4 (2014) 2574–; doi:10.1039/c4cy00457d

data_1516030
_publ_section_title
;
 A survey of pendant donor-functionalised (N,O) phosphine ligands for
 Cr-catalysed ethylene tri- and tetramerisation
;
_journal_issue                   8
_journal_name_full               'Catalysis Science &amp; Technology'
_journal_page_first              2574
_journal_paper_doi               10.1039/c4cy00457d
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C30 H25 N O P2'
_chemical_formula_weight         477.45
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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
_cell_angle_alpha                70.2480(10)
_cell_angle_beta                 84.203(3)
_cell_angle_gamma                81.578(3)
_cell_formula_units_Z            2
_cell_length_a                   8.701(2)
_cell_length_b                   10.6660(10)
_cell_length_c                   13.9380(13)
_cell_measurement_reflns_used    22129
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.86
_cell_measurement_theta_min      1.55
_cell_volume                     1202.4(3)
_computing_cell_refinement       XDS
_computing_data_collection       BLU-ICE
_computing_data_reduction        XDS
_computing_molecular_graphics
;
'X-SEED (Barbour, 2008) and ORTEPIII (Farrugia, 2008)' 
;
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 'ADSC Q315'
_diffrn_measured_fraction_theta_full 0.883
_diffrn_measured_fraction_theta_max 0.883
_diffrn_measurement_device_type  '3-ID1 Australian Synchrotron'
_diffrn_measurement_method       Rotation
_diffrn_radiation_monochromator  Si<111>
_diffrn_radiation_source         'Synchrotron ID'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71080
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            25361
_diffrn_reflns_theta_full        30.86
_diffrn_reflns_theta_max         30.86
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.205
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.519
_refine_diff_density_min         -0.579
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         6695
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0534P)^2^+0.8283P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1118
_refine_ls_wR_factor_ref         0.1145
_reflns_number_gt                6170
_reflns_number_total             6695
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cy00457d1.cif
_cod_data_source_block           d:\30js26
_cod_depositor_comments
'Adding full bibliography for 1516026--1516030.cif.'
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1516030