Case Study on a Rare Effect: The Experimental and Theoretical Analysis of a Manganese(III) Spin-Crossover System
Shi Wang; Marilena Ferbinteanu; Crina Marinescu; Alexandra Dobrinescu; Qi-Dan Ling; Wei Huang; Inorganic Chemistry 49 (2010) 9839–9851; doi:10.1021/ic100364v

data_4316887
_publ_section_title
;
 Case Study on a Rare Effect: The Experimental and Theoretical Analysis of
 a Manganese(III) Spin-Crossover System
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9839
_journal_page_last               9851
_journal_paper_doi               10.1021/ic100364v
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C22 H26 Br2 Mn N4 O2, Cl O4'
_chemical_formula_sum            'C22 H26 Br2 Cl Mn N4 O6'
_chemical_formula_weight         692.66
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/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                 94.073(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.829(3)
_cell_length_b                   8.2279(18)
_cell_length_c                   18.136(4)
_cell_measurement_reflns_used    7889
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.8955
_cell_measurement_theta_min      2.1845
_cell_volume                     2653.7(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0550
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            26602
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.29
_diffrn_standards_number         7752
_exptl_absorpt_coefficient_mu    3.654
_exptl_absorpt_correction_T_max  0.803
_exptl_absorpt_correction_T_min  0.597
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.734
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.497
_refine_diff_density_min         -0.624
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         6086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0997
_refine_ls_R_factor_gt           0.0560
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+1.6527P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1066
_refine_ls_wR_factor_ref         0.1251
_reflns_number_gt                3897
_reflns_number_total             6086
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100364v_si_001_2.cif
_cod_data_source_block           1
_cod_original_cell_volume        2653.8(9)
_cod_original_sg_symbol_H-M      'P 2/c'
_cod_database_code               4316887