Transition Metal Complexes of 3-Cyano- and 3-Nitroformazans
Joe B. Gilroy; Brian O. Patrick; Robert McDonald; Robin G. Hicks; Inorganic Chemistry 47 (2008) 1287–1294; doi:10.1021/ic7019846

data_4304484
_publ_section_title
;
Transition Metal Complexes of 3-Cyano- and 3-Nitroformazans
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1287
_journal_page_last               1294
_journal_paper_doi               10.1021/ic7019846
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C30 H28 N10 Ni O4'
_chemical_formula_weight         651.33
_chemical_name_systematic
;
 ?
;
_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                 103.689(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.5875(13)
_cell_length_b                   7.4705(9)
_cell_length_c                   16.7066(18)
_cell_measurement_reflns_used    1735
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.55
_cell_measurement_theta_min      2.51
_cell_volume                     1526.4(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       '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  0.0732
_diffrn_reflns_av_sigmaI/netI    0.0698
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            12810
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.689
_exptl_absorpt_correction_T_max  0.966
_exptl_absorpt_correction_T_min  0.780
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            green-brown
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             676
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         2692
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0771
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0250P)^2^+0.5306P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0714
_refine_ls_wR_factor_ref         0.0827
_reflns_number_gt                1826
_reflns_number_total             2692
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7019846-file001.cif
_cod_data_source_block           rh018
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4304484