Synthesis and structures of homo- and heterobimetallic rhodium(i) and/or iridium(i) complexes of binucleating bis(1-pyrazolyl)methane ligands.
Ho, Joanne H. H.; Wagler, Jörg; Willis, Anthony C.; Messerle, Barbara A.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 11031–11042; doi:10.1039/c1dt10499c

data_7016989
_publ_section_title
;
 Synthesis and structures of homo- and heterobimetallic rhodium(i) and/or
 iridium(i) complexes of binucleating bis(1-pyrazolyl)methane ligands.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11031
_journal_page_last               11042
_journal_paper_doi               10.1039/c1dt10499c
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C28 H22 N8'
_chemical_formula_sum            'C28 H22 N8'
_chemical_formula_weight         470.54
_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
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 112.0660(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0732(3)
_cell_length_b                   23.3283(5)
_cell_length_c                   10.6167(3)
_cell_measurement_reflns_used    9830
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      32.63
_cell_measurement_theta_min      2.18
_cell_volume                     2312.08(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep32 (Farugia)'
_computing_publication_material  'Shelx-97/ciftab(Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0328
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            31238
_diffrn_reflns_theta_full        32.00
_diffrn_reflns_theta_max         32.00
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9915
_exptl_absorpt_correction_T_min  0.9245
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.438
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         8008
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.096
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0718P)^2^+0.1640P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1203
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                5913
_reflns_number_total             8008
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10499c.txt
_cod_data_source_block           compound1c
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7016989