Substituted pyridazines as ligands in homoleptic (fac and mer) and heteroleptic Ru(ii) complexes.
Cooke, Gareth; O Máille, Gearóid M; Quesada, Roberto; Wang, Longsheng; Varughese, Sunil; Draper, Sylvia M.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 8206–8212; doi:10.1039/c1dt10340g

data_7016376
_publ_section_title
;
 Substituted pyridazines as ligands in homoleptic (fac and mer) and
 heteroleptic Ru(ii) complexes.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8206
_journal_page_last               8212
_journal_paper_doi               10.1039/c1dt10340g
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C24 H14 N4'
_chemical_formula_sum            'C24 H14 N4'
_chemical_formula_weight         358.39
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.426(2)
_cell_length_b                   10.0132(10)
_cell_length_c                   7.9162(8)
_cell_measurement_reflns_used    1642
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.43
_cell_measurement_theta_min      2.25
_cell_volume                     1698.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0548
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8598
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9923
_exptl_absorpt_correction_T_min  0.9864
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS;Sheldrick, 1996'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.146
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         1590
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.872
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0810P)^2^+0.7283P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1069
_refine_ls_wR_factor_ref         0.1224
_reflns_number_gt                1176
_reflns_number_total             1590
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10340g.txt
_cod_data_source_block           rqc1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7016376