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_7026102
_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 H23 N2 O2 P, 0.5(C1 H1 Cl3)'
_chemical_formula_sum            'C27.5 H23.5 Cl1.5 N2 O2 P'
_chemical_formula_weight         498.13
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   'geom except H2, H2A coords freely refined'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 114.6476(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7587(11)
_cell_length_b                   8.3781(5)
_cell_length_c                   17.3155(10)
_cell_measurement_reflns_used    7577
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.21
_cell_measurement_theta_min      2.36
_cell_volume                     2473.4(3)
_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 1.000
_diffrn_measured_fraction_theta_max 0.992
_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  0.0270
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20748
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.301
_exptl_absorpt_correction_T_max  0.971
_exptl_absorpt_correction_T_min  0.838
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, v.2.08, Sheldrick, G.M., (2003).'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             1036
_exptl_crystal_size_max          0.61
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.636
_refine_diff_density_min         -0.443
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     336
_refine_ls_number_reflns         5646
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0642
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0455P)^2^+1.8776P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1175
_reflns_number_gt                4273
_reflns_number_total             5646
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt00200c.txt
_cod_data_source_block           3c.HH
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C27.50 H23.50 Cl1.50 N2 O2 P'
_cod_database_code               7026102