Anionic Fischer-type carbene complexes as bidentate (N,O) ligands.
Raubenheimer, Helgard G.; du Toit, Aletta; du Toit, Maria; An, Jin; van Niekerk, Lizette; Cronje, Stephanie; Esterhuysen, Catharine; Crouch, Andrew M.; Dalton transactions (Cambridge, England : 2003)  (2004) 1173–1180; doi:10.1039/b316998g

data_7013995
_publ_section_title
;
 Anionic Fischer-type carbene complexes as bidentate (N,O) ligands.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1173
_journal_page_last               1180
_journal_paper_doi               10.1039/b316998g
_journal_year                    2004
_chemical_formula_moiety         'C28 H18 Cr2 N4 Ni O12 S4'
_chemical_formula_sum            'C28 H18 Cr2 N4 Ni O12 S4'
_chemical_formula_weight         893.41
_chemical_name_systematic
;
?
;
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_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                68.041(1)
_cell_angle_beta                 68.520(1)
_cell_angle_gamma                81.515(1)
_cell_formula_units_Z            1
_cell_length_a                   9.1998(1)
_cell_length_b                   10.1307(1)
_cell_length_c                   10.8045(1)
_cell_measurement_reflns_used    3938
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.02
_cell_volume                     868.997(17)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP-III for Windows (Farrugia,1997)'
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f and \w scans to fill Ewald sphere'
_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  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6541
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    1.457
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange-brown
_exptl_crystal_density_diffrn    1.707
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             450
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.305
_refine_diff_density_min         -0.407
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         3400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0426
_refine_ls_R_factor_gt           0.0279
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0290P)^2^+0.4168P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0637
_refine_ls_wR_factor_ref         0.0685
_reflns_number_gt                2752
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b316998g.txt
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_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7013995