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_7039090
_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            'C26 H41 N3 P2'
_chemical_formula_weight         457.56
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_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
_audit_update_record
;
2015-06-09 deposited with the CCDC.
2016-04-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.706(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5529(2)
_cell_length_b                   14.8073(3)
_cell_length_c                   17.6501(3)
_cell_measurement_reflns_used    9975
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.73
_cell_measurement_theta_min      2.41
_cell_volume                     2641.60(9)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2011)'
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa APEX II Duo'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'curved graphite'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0317
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            45478
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.182
_exptl_absorpt_correction_T_max  0.92
_exptl_absorpt_correction_T_min  0.91
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.45
_refine_diff_density_max         0.356
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         6374
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0481P)^2^+0.8713P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0944
_reflns_number_gt                5481
_reflns_number_total             6374
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01109h2.cif
_cod_data_source_block           ax0464
_cod_depositor_comments
'Adding full bibliography for 7039084--7039090.cif.'
_cod_original_cell_volume        2641.59(9)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7039090