Ligands with an NPNPN-framework and their application in chromium catalysed ethene tri-/tetramerization.
Peulecke, N.; Müller, B H; Spannenberg, A.; Höhne, M; Rosenthal, U.; Wöhl, A; Müller, W; Alqahtani, A.; Al Hazmi, M.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 8869–8874; doi:10.1039/c6dt01109h

data_7039088
_publ_section_title
;
 Ligands with an NPNPN-framework and their application in chromium
 catalysed ethene tri-/tetramerization.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8869
_journal_page_last               8874
_journal_paper_doi               10.1039/c6dt01109h
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C29 H33 N3 O2 P2'
_chemical_formula_weight         517.52
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-06-09 deposited with the CCDC.
2016-04-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.8118(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.8140(3)
_cell_length_b                   6.7216(2)
_cell_length_c                   20.3460(6)
_cell_measurement_reflns_used    9971
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.91
_cell_measurement_theta_min      2.18
_cell_volume                     1322.51(7)
_computing_cell_refinement       'SAINT (Bruker, 2013)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_unetI/netI     0.0213
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            32668
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.948
_diffrn_reflns_theta_min         2.032
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.196
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.89
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_description       plate
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.415
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.094
_refine_diff_density_max         0.384
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details
;
 Flack x determined using 2904 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.111(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         6987
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0300
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0425P)^2^+0.1945P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0741
_refine_ls_wR_factor_ref         0.0760
_reflns_Friedel_coverage         0.847
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                6581
_reflns_number_total             6987
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt01109h2.cif
_cod_data_source_block           AX0659
_cod_depositor_comments
'Adding full bibliography for 7039084--7039090.cif.'
_cod_database_code               7039088
_shelxl_version_number           2014-3
_shelx_res_checksum              76186