Solvent control: dinuclear versus tetranuclear complexes of a bis-tetradentate pyrimidine-based ligand.
Gobeze, Worku A.; Milway, Victoria A.; Moubaraki, Boujemaa; Murray, Keith S.; Brooker, Sally; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9708–9721; doi:10.1039/c2dt12449a

data_7019665
_publ_section_title
;
 Solvent control: dinuclear versus tetranuclear complexes of a
 bis-tetradentate pyrimidine-based ligand.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9708
_journal_page_last               9721
_journal_paper_doi               10.1039/c2dt12449a
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C51 H58.5 Cl4 N13.5 Ni2 O16'
_chemical_formula_weight         1375.83
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.551(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.1623(12)
_cell_length_b                   11.1055(8)
_cell_length_c                   19.3952(17)
_cell_measurement_reflns_used    6343
_cell_measurement_temperature    92(2)
_cell_measurement_theta_max      24.241
_cell_measurement_theta_min      2.573
_cell_volume                     3049.3(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      92(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Kappa Apex II area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0575
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            54058
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.870
_exptl_absorpt_correction_T_max  0.9578
_exptl_absorpt_correction_T_min  0.7224
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE (Bruker AXS Inc.)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.498
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1422
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.698
_refine_diff_density_min         -0.741
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.112(12)
_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     811
_refine_ls_number_reflns         12458
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0639
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0596P)^2^+1.5924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1143
_refine_ls_wR_factor_ref         0.1240
_reflns_number_gt                10611
_reflns_number_total             12458
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12449a.txt
_cod_data_source_block           wag161
_cod_original_sg_symbol_H-M      Pn
_cod_original_formula_sum        'C51 H58.50 Cl4 N13.50 Ni2 O16'
_cod_database_code               7019665