Flexible kappa4-PNN'O-tetradentate ligands: synthesis, complexation and structural studies.
Durran, Sean E.; Elsegood, Mark R. J.; Hammond, Shelly R.; Smith, Martin B.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7136–7146; doi:10.1039/c0dt00200c

data_7026110
_publ_section_title
;
 Flexible kappa4-PNN'O-tetradentate ligands: synthesis, complexation and
 structural studies.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7136
_journal_page_last               7146
_journal_paper_doi               10.1039/c0dt00200c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C27 H21 N2 Ni O2 P'
_chemical_formula_sum            'C27 H21 N2 Ni O2 P'
_chemical_formula_weight         495.14
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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                73.3268(8)
_cell_angle_beta                 84.8308(8)
_cell_angle_gamma                70.0607(8)
_cell_formula_units_Z            2
_cell_length_a                   8.9313(4)
_cell_length_b                   11.5187(6)
_cell_length_c                   11.5474(6)
_cell_measurement_reflns_used    5896
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.02
_cell_measurement_theta_min      2.29
_cell_volume                     1069.76(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.868
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0132
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9613
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.10
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.011
_exptl_absorpt_correction_T_max  0.897
_exptl_absorpt_correction_T_min  0.738
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.03, Sheldrick, G.M., (2001)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4986
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0291
_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^)+(0.0384P)^2^+0.5121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0732
_refine_ls_wR_factor_ref         0.0776
_reflns_number_gt                4309
_reflns_number_total             4986
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt00200c.txt
_cod_data_source_block           11c
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7026110