Self-assembled polynuclear clusters derived from some flexible polydentate dihydrazide ligands.
Zhao, Liang; Niel, Virginie; Thompson, Laurence K.; Xu, Zhiqiang; Milway, Victoria A.; Harvey, Rosemary G.; Miller, David O.; Wilson, Claire; Leech, Michael; Howard, Judith A. K.; Heath, Sarah L.; Dalton transactions (Cambridge, England : 2003)  (2004) 1446–1455; doi:10.1039/b317091h

data_7014009
_publ_section_title
;
 Self-assembled polynuclear clusters derived from some flexible
 polydentate dihydrazide ligands.
;
_journal_issue                   9
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1446
_journal_page_last               1455
_journal_paper_doi               10.1039/b317091h
_journal_year                    2004
_chemical_formula_sum            'C84 H115 B6 F24 N48 Ni4 O27.5'
_chemical_formula_weight         2992.94
_chemical_name_systematic
;
?
;
_space_group_IT_number           167
_symmetry_cell_setting           rhombohedral
_symmetry_Int_Tables_number      167
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            12
_cell_length_a                   24.5027(8)
_cell_length_b                   24.5027(8)
_cell_length_c                   84.524(5)
_cell_measurement_temperature    193(2)
_cell_volume                     43948(3)
_computing_cell_refinement       'Bruker SMART (Bruker, 1997)'
_computing_data_collection       'Bruker SMART (Bruker, 1997)'
_computing_data_reduction        'Bruker SHELXTL (Sheldrick, 1997)'
_computing_molecular_graphics    'teXsan for Windows (MSC, 1997)'
_computing_publication_material  'teXsan for Windows (MSC, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
'Bruker PLATFORM diffractometer/SMART 1000 CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0494
_diffrn_reflns_av_sigmaI/netI    0.0258
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       105
_diffrn_reflns_limit_l_min       -61
_diffrn_reflns_number            71552
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         3.08
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.612
_exptl_absorpt_correction_T_max  0.8669
_exptl_absorpt_correction_T_min  0.7659
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             18396
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.770
_refine_diff_density_min         -1.186
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     585
_refine_ls_number_reflns         10009
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.1063
_refine_ls_R_factor_gt           0.0887
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1840P)^2^+322.9337P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2703
_refine_ls_wR_factor_ref         0.2914
_reflns_number_gt                7874
_reflns_number_total             10009
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b317091h.txt
_cod_data_source_block           shelxl_(7)
_cod_original_sg_symbol_H-M      R-3c
_cod_original_formula_sum        'C84 H115 B6 F24 N48 Ni4 O27.50'
_cod_database_code               7014009